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Author SHA1 Message Date
Bryan Thompson
a4b9c4867f Add dataproc plugin 2026-06-04 19:12:30 -05:00
11 changed files with 131 additions and 1084 deletions

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@@ -19,7 +19,7 @@
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@@ -57,7 +57,7 @@
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@@ -127,20 +127,6 @@
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@@ -191,7 +177,7 @@
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@@ -275,7 +261,7 @@
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@@ -291,7 +277,7 @@
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@@ -320,7 +306,7 @@
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@@ -336,7 +322,7 @@
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@@ -381,7 +367,7 @@
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@@ -392,7 +378,7 @@
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@@ -434,20 +420,6 @@
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@@ -472,7 +444,7 @@
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@@ -561,7 +533,7 @@
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@@ -655,7 +627,7 @@
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@@ -669,24 +641,10 @@
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@@ -701,26 +659,12 @@
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@@ -752,7 +696,7 @@
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@@ -2163,7 +2051,7 @@
"source": "url",
"url": "https://github.com/RevenueCat/rc-claude-code-plugin.git",
"path": "revenuecat",
"sha": "473fd504bf13d25e76bf4a0267b42be3794f6266"
"sha": "b34f9bebe02ceb7e3f32e6d7d081cdfb2e7c37a6"
},
"homepage": "https://www.revenuecat.com"
},
@@ -2203,7 +2091,7 @@
"source": {
"source": "url",
"url": "https://github.com/resend/resend-skills.git",
"sha": "0888546d6a69149c8d2402d46f395f5dddb1c720"
"sha": "0f598ef55623e37a76f972e93a53ffa91c1dc9d1"
},
"homepage": "https://resend.com"
},
@@ -2215,7 +2103,7 @@
"source": "url",
"url": "https://github.com/RevenueCat/rc-claude-code-plugin.git",
"path": "revenuecat",
"sha": "473fd504bf13d25e76bf4a0267b42be3794f6266"
"sha": "b34f9bebe02ceb7e3f32e6d7d081cdfb2e7c37a6"
},
"homepage": "https://www.revenuecat.com"
},
@@ -2314,7 +2202,7 @@
"source": {
"source": "url",
"url": "https://github.com/sanity-io/agent-toolkit.git",
"sha": "66f0ec5d9167b3ccb8b3450e5ec34f3b523d4139"
"sha": "7e04973754975e73b306b1d4dbae561160d797e9"
},
"homepage": "https://www.sanity.io"
},
@@ -2348,7 +2236,7 @@
"url": "https://github.com/SAP/open-ux-tools.git",
"path": "packages/fiori-mcp-server",
"ref": "main",
"sha": "fbfe8c32fb9fc64583aa72ac03ab64f553c407ee"
"sha": "b326a9a52b1da51effed574587e31fe5a2755b96"
},
"homepage": "https://github.com/SAP/open-ux-tools/tree/main/packages/fiori-mcp-server"
},
@@ -2380,7 +2268,7 @@
"url": "https://github.com/spotify/save-to-spotify.git",
"path": "plugin",
"ref": "main",
"sha": "cd4ea68111d96769b09c0b0d2199e692cf00a73c"
"sha": "35527660378c769bcbcfba89d8086d8b9fc4fccb"
},
"homepage": "https://github.com/spotify/save-to-spotify"
},
@@ -2415,7 +2303,7 @@
"source": {
"source": "url",
"url": "https://github.com/getsentry/sentry-for-claude.git",
"sha": "030b01fb76b21f5d7ef6af5a3c3dfa658a9b5024"
"sha": "849303a8411c242d250885ffe714235a3bc2f5fe"
},
"homepage": "https://github.com/getsentry/sentry-for-claude/tree/main"
},
@@ -2431,7 +2319,7 @@
"url": "https://github.com/getsentry/cli.git",
"path": "plugins/sentry-cli",
"ref": "main",
"sha": "9e9fe0fb6444f18ed109058b2749cced3c21f87e"
"sha": "5b78ddaf28252cb514007526025b138569445fd4"
},
"homepage": "https://sentry.io"
},
@@ -2496,7 +2384,7 @@
"source": {
"source": "url",
"url": "https://github.com/Shopify/Shopify-AI-Toolkit.git",
"sha": "a8e87a7cff153479eb77230d9c232484a1f3062f"
"sha": "859be93bfc858f183ff5eb40183e35a4d91d2950"
},
"homepage": "https://shopify.dev"
},
@@ -2534,7 +2422,7 @@
"url": "https://github.com/Snowflake-Labs/snowflake-ai-kit.git",
"path": "plugins/cortex-code",
"ref": "main",
"sha": "6a22eb1ff3b451c35e40468a118bbee54610c9bd"
"sha": "c3f720020a3b6c8927f97362c2e5884e959acd53"
},
"homepage": "https://docs.snowflake.com/en/user-guide/cortex-code"
},
@@ -2574,20 +2462,6 @@
},
"homepage": "https://sourcegraph.com"
},
{
"name": "spanner",
"description": "Connect and interact with Spanner data using natural language.",
"author": {
"name": "Google LLC"
},
"category": "database",
"source": {
"source": "url",
"url": "https://github.com/gemini-cli-extensions/spanner.git",
"sha": "d4678e2bc04f60f3dfcdb6b916df28e63a0d615f"
},
"homepage": "https://github.com/gemini-cli-extensions/spanner"
},
{
"name": "spotify-ads-api",
"description": "Manage Spotify ad campaigns with natural language. Create campaigns, ad sets, ads, pull reports, and handle OAuth — all through conversation.",
@@ -2608,7 +2482,7 @@
"url": "https://github.com/stripe/ai.git",
"path": "providers/claude/plugin",
"ref": "main",
"sha": "b8f6adcb5d05f6ff01334411561ee8cb1ec014c6"
"sha": "e27ee0091ed20f7557f3241e00ade3d4846af9d6"
},
"homepage": "https://github.com/stripe/ai/tree/main/providers/claude/plugin"
},
@@ -2631,7 +2505,7 @@
"source": {
"source": "url",
"url": "https://github.com/supabase-community/supabase-plugin.git",
"sha": "2ed49769b1ec2f6703a14290af484df651336150"
"sha": "3217ac038647f6901a166f3264a32f01833f73ba"
},
"homepage": "https://github.com/supabase-community/supabase-plugin"
},
@@ -2676,7 +2550,7 @@
"source": {
"source": "url",
"url": "https://github.com/JetBrains/teamcity-cli.git",
"sha": "67e21f0be908daa7ca1e04c8016d1bc81750baee"
"sha": "3cc3013c0f8106ffc845b34fb322d763803bcb0e"
},
"homepage": "https://www.jetbrains.com/teamcity/"
},
@@ -2707,7 +2581,7 @@
"source": {
"source": "url",
"url": "https://github.com/togethercomputer/skills.git",
"sha": "fb94cc1402900eb608c31e7102fc23566f8b0363"
"sha": "9772f2a2f83e2184c341dd2650ac4c7efb76c33b"
},
"homepage": "https://www.together.ai"
},
@@ -2769,7 +2643,7 @@
"url": "https://github.com/UI5/plugins-coding-agents.git",
"path": "plugins/ui5",
"ref": "main",
"sha": "9b3d7d80356f687725f9584988e4038dbead0d53"
"sha": "767ac53cb056a0c900374ccea0df96c54b769eb2"
},
"homepage": "https://github.com/UI5/plugins-coding-agents"
},
@@ -2787,7 +2661,7 @@
"url": "https://github.com/UI5/plugins-coding-agents.git",
"path": "plugins/ui5-typescript-conversion",
"ref": "main",
"sha": "9b3d7d80356f687725f9584988e4038dbead0d53"
"sha": "767ac53cb056a0c900374ccea0df96c54b769eb2"
},
"homepage": "https://github.com/UI5/plugins-coding-agents"
},
@@ -2803,7 +2677,7 @@
"url": "https://github.com/val-town/plugins.git",
"path": "plugin",
"ref": "main",
"sha": "02631f998eda9b88d73d699703b062db059d506b"
"sha": "e01069e11ea6e46b8d2d5fd2945f2dd4d33e6a57"
},
"homepage": "https://val.town"
},
@@ -2856,7 +2730,7 @@
"source": {
"source": "url",
"url": "https://github.com/explorium-ai/vibeprospecting-plugin.git",
"sha": "aa5903f52d79e7f2a5f9c324c6fff7d5a5d92631"
"sha": "7ed0c4e2965ee315132c3c714609b46b23b5edc0"
},
"homepage": "https://www.vibeprospecting.ai/product/claude-plugin"
},
@@ -2881,7 +2755,7 @@
"source": {
"source": "url",
"url": "https://github.com/wix/skills.git",
"sha": "188ed338f39d70e5aef7f9a2582bbf338f223b78"
"sha": "f99715fc149208608a148c0fe0ed16c0f80ee734"
},
"homepage": "https://dev.wix.com/docs/wix-cli/guides/development/about-wix-skills"
},
@@ -2934,7 +2808,7 @@
"url": "https://github.com/zapier/zapier-mcp.git",
"path": "plugins/zapier",
"ref": "main",
"sha": "770167c572deaf74c588b45d88003ddf2145d608"
"sha": "f34a7854febed415c9ef766eec1c66529ef0668e"
},
"homepage": "https://github.com/zapier/zapier-mcp/tree/main/plugins/zapier"
},
@@ -2988,7 +2862,7 @@
"source": {
"source": "url",
"url": "https://github.com/zscaler/zscaler-mcp-server.git",
"sha": "f84ce4f0ed48047614a4202ac311cbdf00ea9a10"
"sha": "be37fb604a07dc9c5a4c3e009312c4f11acaa6d3"
},
"homepage": "https://github.com/zscaler/zscaler-mcp-server"
}

View File

@@ -1,6 +1,6 @@
{
"name": "code-modernization",
"description": "Modernize legacy codebases (COBOL, legacy Java/C++, monolith web apps) with a structured preflight / assess / map / extract-rules / brief / reimagine / transform / harden workflow, an interactive topology viewer, and specialist review agents",
"description": "Modernize legacy codebases (COBOL, legacy Java/C++, monolith web apps) with a structured assess map extract-rules brief reimagine/transform harden workflow and specialist review agents",
"author": {
"name": "Anthropic",
"email": "support@anthropic.com"

View File

@@ -7,7 +7,7 @@ A structured workflow and set of specialist agents for modernizing legacy codeba
Legacy modernization fails most often not because the target technology is wrong, but because teams skip steps: they transform code before understanding it, reimagine architecture before extracting business rules, or ship without a harness that would catch behavior drift. This plugin enforces a sequence:
```
preflight → assess → map → extract-rules → brief → reimagine | transform → harden
assess → map → extract-rules → brief → reimagine | transform → harden
```
The discovery commands (`assess`, `map`, `extract-rules`) build artifacts under `analysis/<system>/`. The `brief` command synthesizes them into an approval gate. The build commands (`reimagine`, `transform`) write new code under `modernized/`. The `harden` command audits the legacy system and produces a reviewable remediation patch. Each step has a dedicated slash command, and specialist agents (legacy analyst, business rules extractor, architecture critic, security auditor, test engineer) are invoked from within those commands — or directly — to keep the work honest.
@@ -20,36 +20,25 @@ Commands take a `<system-dir>` argument and assume the system being modernized l
mkdir -p legacy && ln -s /path/to/your/legacy/codebase legacy/billing
```
## What to give Claude
## Optional tooling
The commands degrade gracefully, but each of these makes the output meaningfully better — run `/modernize-preflight <system-dir>` to check all of them at once and get a readiness report:
- **Analysis tools**: [`scc`](https://github.com/boyter/scc) (LOC + complexity + COCOMO) or [`cloc`](https://github.com/AlDanial/cloc); [`lizard`](https://github.com/terryyin/lizard) for portfolio mode. Without them, metrics fall back to `find`/`wc` and get coarser.
- **A working build toolchain** for the legacy stack (e.g. GnuCOBOL for COBOL) — required before `/modernize-transform` can prove behavioral equivalence, and verified by preflight with a real smoke compile against your code.
- **The whole system in the tree**: deployment descriptors (JCL, CICS definitions, route configs), copybooks/includes, and DDL/schemas. Entry-point detection and data lineage in `/modernize-map` are guesswork without them.
- **Production telemetry** (optional): an observability MCP server or batch job logs enable the runtime overlay in `/modernize-assess` and timing annotations on critical paths.
`/modernize-assess` works best with [`scc`](https://github.com/boyter/scc) (LOC + complexity + COCOMO) or [`cloc`](https://github.com/AlDanial/cloc), and falls back to `find`/`wc` if neither is installed. Portfolio mode also benefits from [`lizard`](https://github.com/terryyin/lizard) (cyclomatic complexity). The commands degrade gracefully without them, but the metrics will be coarser.
## Commands
The commands are designed to be run in order, but each produces a standalone artifact so you can stop, review, and resume.
### `/modernize-preflight <system-dir> [target-stack]`
Environment readiness check, meant to run first: detects the legacy stack, checks analysis tooling, **smoke-compiles a real source file** with the legacy toolchain (the errors this surfaces — missing copybooks, wrong dialect flags — are the ones that otherwise appear mid-transform), inventories missing includes / deployment descriptors / binary-only artifacts, and probes for telemetry. Produces `analysis/<system>/PREFLIGHT.md` with a per-command Ready / Ready-with-gaps / Not-ready verdict.
### `/modernize-assess <system-dir>` — or — `/modernize-assess --portfolio <parent-dir>`
Inventory the legacy codebase: languages, line counts, complexity, build system, integrations, technical debt, security posture, documentation gaps, and a COCOMO-derived effort estimate. Produces `analysis/<system>/ASSESSMENT.md` and `analysis/<system>/ARCHITECTURE.mmd`. Spawns `legacy-analyst` (×2) and `security-auditor` in parallel for deep reads. With `--portfolio`, sweeps every subdirectory of a parent directory and writes a sequencing heat-map to `analysis/portfolio.html`.
### `/modernize-map <system-dir>`
![Interactive topology map of AWS CardDemo — domains as containers, modules sized by lines of code, dependency edges colored by kind, entry points ringed](assets/topology-viewer-screenshot.jpg)
Build a dependency and topology map of the **legacy** system: program/module call graph, data lineage (programs ↔ data stores), entry points, dead-end candidates, and 24 traced business flows each anchored to a persona (the claimant, the operator, the auditor — not the maintainer). Writes a re-runnable extraction script and produces `analysis/<system>/topology.json` plus `analysis/<system>/TOPOLOGY.html` — an **interactive zoomable map** (circle-pack of domains/modules sized by LOC, dependency edges with per-kind toggles, search, click-for-details sidebar, and a walkthrough mode that plays each persona flow as a numbered path with a plain-language narrative). Built from a template shipped with the plugin, so it works on systems far too dense for a static diagram. Small domain-level `call-graph.mmd`, `data-lineage.mmd`, and `critical-path.mmd` are still exported for docs and PRs.
Build a dependency and topology map of the **legacy** system: program/module call graph, data lineage (programs ↔ data stores), entry points, dead-end candidates, and one traced critical-path business flow. Writes a re-runnable extraction script and produces `analysis/<system>/topology.json` (machine-readable), `analysis/<system>/TOPOLOGY.html` (rendered Mermaid + architect observations), and standalone `call-graph.mmd`, `data-lineage.mmd`, and `critical-path.mmd`.
### `/modernize-extract-rules <system-dir> [module-pattern]`
Mine the business rules embedded in the legacy code — calculations, validations, eligibility, state transitions, policies — into Given/When/Then "Rule Cards" with `file:line` citations and confidence ratings. Spawns three `business-rules-extractor` agents in parallel (calculations, validations, lifecycle). Produces `analysis/<system>/BUSINESS_RULES.md` and `analysis/<system>/DATA_OBJECTS.md`.
### `/modernize-brief <system-dir> [target-stack]`
Synthesize the discovery artifacts into a phased **Modernization Brief** — the single document a steering committee approves and engineering executes: target architecture, strangler-fig phase plan with entry/exit criteria, persona-based business walkthroughs (the section non-technical approvers actually read), behavior contract, validation strategy, open questions, and an approval block. Reads `ASSESSMENT.md`, `TOPOLOGY.html`, and `BUSINESS_RULES.md` and **stops if any are missing** — run the discovery commands first. Produces `analysis/<system>/MODERNIZATION_BRIEF.md` and enters plan mode as a human-in-the-loop gate.
Synthesize the discovery artifacts into a phased **Modernization Brief** — the single document a steering committee approves and engineering executes: target architecture, strangler-fig phase plan with entry/exit criteria, behavior contract, validation strategy, open questions, and an approval block. Reads `ASSESSMENT.md`, `TOPOLOGY.html`, and `BUSINESS_RULES.md` and **stops if any are missing** — run the discovery commands first. Produces `analysis/<system>/MODERNIZATION_BRIEF.md` and enters plan mode as a human-in-the-loop gate.
### `/modernize-reimagine <system-dir> <target-vision>`
Greenfield rebuild from extracted intent rather than a structural port. Mines a spec (`analysis/<system>/AI_NATIVE_SPEC.md`), designs a target architecture and has it adversarially reviewed (`analysis/<system>/REIMAGINED_ARCHITECTURE.md`), then **scaffolds services with executable acceptance tests** under `modernized/<system>-reimagined/` and writes a `CLAUDE.md` knowledge handoff for the new system. Two human-in-the-loop checkpoints. Spawns `business-rules-extractor`, `legacy-analyst` (×2), `architecture-critic`, and general-purpose scaffolding agents.
@@ -57,9 +46,6 @@ Greenfield rebuild from extracted intent rather than a structural port. Mines a
### `/modernize-transform <system-dir> <module> <target-stack>`
Surgical, single-module strangler-fig rewrite. Plans first (HITL gate), then writes characterization tests via `test-engineer`, then an idiomatic target implementation under `modernized/<system>/<module>/`, proves equivalence by running the tests, and produces `TRANSFORMATION_NOTES.md` mapping legacy → modern with deliberate deviations called out. Reviewed by `architecture-critic`.
### `/modernize-status <system-dir>`
Read-only progress report: artifact inventory with timestamps per workflow stage, staleness flags (e.g. a brief older than the assessment it was built from), secrets-hygiene checks (quarantine file gitignored and never committed), and the single most useful next command. Run it anytime you come back to a modernization after a break.
### `/modernize-harden <system-dir>`
Security hardening pass on the **legacy** system: OWASP/CWE scan, dependency CVEs, secrets, injection. Spawns `security-auditor`. Produces `analysis/<system>/SECURITY_FINDINGS.md` ranked Critical / High / Medium / Low and a reviewed `analysis/<system>/security_remediation.patch` with minimal fixes for the Critical/High findings. The patch is reviewed by a second `security-auditor` pass before you see it. **Never edits `legacy/`** — you review and apply the patch yourself when ready, then re-run to verify. Useful as a pre-modernization step when the legacy system will keep running in production during the migration.
@@ -95,21 +81,17 @@ This plugin ships commands and agents, but modernization projects benefit from a
"Edit(modernized/**)"
],
"deny": [
"Edit(legacy/**)",
"Write(legacy/**)"
"Edit(legacy/**)"
]
}
}
```
Adjust `legacy/` and `modernized/` to match your actual layout. The key invariants: `Edit`/`Write` under `legacy/` are denied, and writes are scoped to `analysis/` (for documents) and `modernized/` (for the new code). Note this guards the file tools — shell commands that mutate files (`sed -i`, `git apply`) still go through the normal Bash permission prompt, so review those prompts with the same invariant in mind. Every command in this plugin respects this — `/modernize-harden` writes a patch to `analysis/` rather than editing `legacy/` in place.
Adjust `legacy/` and `modernized/` to match your actual layout. The key invariants: `Edit` under `legacy/` is denied, and writes are scoped to `analysis/` (for documents) and `modernized/` (for the new code). Every command in this plugin respects this — `/modernize-harden` writes a patch to `analysis/` rather than editing `legacy/` in place.
## Typical Workflow
```bash
# 0. Check the environment is ready (tools, toolchain, source completeness)
/modernize-preflight billing
# 1. Inventory the legacy system (or sweep a portfolio of them)
/modernize-assess billing
@@ -130,9 +112,6 @@ Adjust `legacy/` and `modernized/` to match your actual layout. The key invarian
# 6. Security-harden the legacy system that's still in production
/modernize-harden billing
# Anytime: where am I, what's stale, what's next
/modernize-status billing
```
## License

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@@ -8,19 +8,10 @@ single document a steering committee approves and engineering executes.
Target stack: `$2` (if blank, recommend one based on the assessment findings).
Read `analysis/$1/ASSESSMENT.md`, `analysis/$1/topology.json` (plus the
`.mmd` files alongside it — do NOT read `TOPOLOGY.html`, it's an
interactive viewer with the data minified inside), and
`analysis/$1/BUSINESS_RULES.md` first. If any are missing, say so and
stop — they come from `/modernize-assess`, `/modernize-map`, and
`/modernize-extract-rules` respectively. Run those first.
**Staleness check:** compare modification times. If any input is newer
than an existing `MODERNIZATION_BRIEF.md`, the brief is being justifiably
regenerated; but if an existing brief is newer than all inputs and the
user re-ran this command anyway, ask what changed. Either way, note the
input timestamps in the brief's header so reviewers can see what it was
built from.
Read `analysis/$1/ASSESSMENT.md`, `analysis/$1/TOPOLOGY.html` (and the `.mmd`
files alongside it), and `analysis/$1/BUSINESS_RULES.md` first. If any are
missing, say so and stop — they come from `/modernize-assess`, `/modernize-map`,
and `/modernize-extract-rules` respectively. Run those first.
## The Brief
@@ -40,38 +31,28 @@ fewest-dependencies first. For each phase:
- Scope (which legacy modules, which target services)
- Entry criteria (what must be true to start)
- Exit criteria (what tests/metrics prove it's done)
- Estimated effort (person-months, same unit as the assessment's COCOMO
figure — convert deliberately if you present weeks)
- Estimated effort (person-weeks, derived from COCOMO + complexity data)
- Risk level + top 2 risks + mitigation
Render the phases as a Mermaid `gantt` chart.
### 4. Business Walkthroughs
For each persona flow in `analysis/$1/topology.json` (`flows` — produced
by `/modernize-map`), a short narrative table: persona, what happens in
business language, which legacy modules implement it today, and which
phase from §3 replaces each. This is the section non-technical approvers
actually read — it connects "Phase 2" to "what happens when a customer
files a claim". If topology.json has no flows, derive 23 walkthroughs
from the entry points and say they need SME confirmation.
### 5. Behavior Contract
### 4. Behavior Contract
List the **P0 rules** from BUSINESS_RULES.md (the ones tagged `Priority: P0`
money, regulatory, data integrity) that MUST be proven equivalent before any
phase ships. These become the regression suite. Flag any P0 rule with
Confidence < High as a blocker requiring SME confirmation before its phase
starts.
### 6. Validation Strategy
### 5. Validation Strategy
State which combination applies: characterization tests, contract tests,
parallel-run / dual-execution diff, property-based tests, manual UAT.
Justify per phase.
### 7. Open Questions
### 6. Open Questions
Anything requiring human/SME decision before Phase 1 starts. Each as a
checkbox the approver must tick.
### 8. Approval Block
### 7. Approval Block
```
Approved by: ________________ Date: __________
Approval covers: Phase 1 only | Full plan
@@ -79,7 +60,6 @@ Approval covers: Phase 1 only | Full plan
## Present
Present a summary of the brief and **stop — write nothing further until
the user explicitly approves** (use plan mode if the session supports
it). This gate is the human-in-the-loop control point; "no objection" is
not approval.
Enter **plan mode** and present a summary of the brief. Do NOT proceed to any
transformation until the user explicitly approves. This gate is the
human-in-the-loop control point.

View File

@@ -55,124 +55,50 @@ re-run and audited. Have it write a machine-readable
`analysis/$1/topology.json` and print a human summary. Run it; show the
summary (cap at ~200 lines for very large estates).
`topology.json` must follow this schema — it feeds the interactive viewer:
```json
{
"system": "<display name>",
"root": {
"id": "sys", "name": "<system>", "kind": "system",
"children": [
{ "id": "dom:<domain>", "name": "<Domain>", "kind": "domain",
"children": [
{ "id": "<MODULE>", "name": "<MODULE>", "kind": "module",
"language": "cobol", "loc": 1234, "file": "src/MODULE.cbl" }
] },
{ "id": "dom:data", "name": "Data stores", "kind": "domain",
"children": [
{ "id": "ds:<NAME>", "name": "<NAME>", "kind": "datastore" }
] }
]
},
"edges": [
{ "source": "<id>", "target": "<id>", "kind": "call" }
],
"entryPoints": ["<id>", "..."],
"deadEnds": ["<id>", "..."],
"observations": ["<architect observation>", "..."],
"flows": [
{ "name": "<business flow>", "persona": "<who experiences it>",
"description": "<one sentence, plain language>",
"steps": [
{ "label": "<business-language step>", "nodes": ["<id>", "<id>"] }
] }
]
}
```
- Group leaf modules under `domain` containers (use the domains from
`/modernize-assess` if available). Leaf kinds: `module`, `datastore`,
`job`, `screen`. `loc` drives circle size — include it for modules.
- Edge kinds: `call` (direct), `dispatch` (dynamic/router), `read`,
`write`. Every edge endpoint must be a leaf id that exists in the tree.
- `deadEnds`: the dead-end candidates from the extraction, rendered with
a dashed outline in the viewer. Apply the suppression rules above —
anything that could be the target of an unresolved dynamic call does
NOT belong here; record that uncertainty in `observations` instead.
- **Datastore ids and names must be logical identifiers** — DD name,
dataset name, table/schema name, at most host:port. If the resolved
config value is a URL or DSN, strip userinfo and credential query
params before it goes anywhere in topology.json: the file gets
committed and the viewer displays names verbatim. Never copy raw
config values into `observations`.
- `observations`: 37 architect observations — tight coupling clusters,
single points of failure, service-extraction candidates, data stores
with too many writers, dispatch targets the extraction could not
resolve.
- `flows` is the **persona walkthrough** section — see below.
## Persona flows
Trace **24 end-to-end business flows**, each anchored to a persona —
the people who experience the system, not the people who maintain it
(e.g. for a benefits system: the claimant, the caseworker, the auditor;
for billing: the customer, the billing operator). For each flow:
- `name` + one-sentence `description` in plain business language —
something a steering committee member relates to ("a claimant files a
weekly claim"), not a data-flow label ("CLM batch ingest").
- `steps`: 38 steps, each with a business-language `label` and the
`nodes` (programs + data stores) that implement that step, in
execution order.
This is the bridge between the technical map and non-technical
stakeholders: the same diagram answers "which program does X" for
engineers and "what happens when someone files a claim" for everyone else.
## Render
`analysis/$1/TOPOLOGY.html` is an **interactive map**: a zoomable
circle-pack of the whole system (domains as containers, modules sized by
LOC) with dependency edges, search, per-node detail sidebar, edge-kind
toggles, and a flow-walkthrough mode that plays each persona flow as a
numbered path. Build it from the template that ships with this plugin —
do not hand-write the viewer:
From the extracted data, generate **three Mermaid diagrams** and write them
to `analysis/$1/TOPOLOGY.html` as a self-contained page that renders in any
browser.
```bash
python3 - "${CLAUDE_PLUGIN_ROOT}/assets/topology-viewer.html" analysis/$1 <<'EOF'
import json, sys
tpl_path, out_dir = sys.argv[1], sys.argv[2]
tpl = open(tpl_path).read()
marker = "/*__TOPOLOGY_DATA__*/ null"
assert marker in tpl, f"injection marker not found in {tpl_path}"
data = json.dumps(json.load(open(f"{out_dir}/topology.json")))
open(f"{out_dir}/TOPOLOGY.html", "w").write(
tpl.replace(marker, "/*__TOPOLOGY_DATA__*/ " + data))
print(f"wrote {out_dir}/TOPOLOGY.html")
EOF
The HTML page must use: dark `#1e1e1e` background, `#d4d4d4` text,
`#cc785c` for `<h2>`/accents, `system-ui` font, all CSS **inline** (no
external stylesheets). Load Mermaid from a CDN in `<head>`:
```html
<script type="module">
import mermaid from 'https://cdn.jsdelivr.net/npm/mermaid@11/dist/mermaid.esm.min.mjs';
mermaid.initialize({ startOnLoad: true, theme: 'dark' });
</script>
```
The viewer is fully self-contained (the d3 subset it needs is inlined in
the template) — it works offline and on air-gapped networks. If the
`python3` invocation fails to find the template,
`${CLAUDE_PLUGIN_ROOT}` was not substituted — report that rather than
hand-writing a viewer.
Each diagram goes in a `<pre class="mermaid">...</pre>` block. Do **not**
wrap diagrams in markdown ` ``` ` fences inside the HTML.
Mermaid stays for **small, exportable** diagrams. Generate standalone
`.mmd` files for reuse in docs and PRs — but keep each under ~40 edges;
collapse to domain level if the full graph is bigger (dense Mermaid
becomes unreadable, which is exactly what the interactive map is for):
1. **`graph TD` — Module call graph.** Cluster by domain (use `subgraph`).
Highlight entry points in a distinct style. Cap at ~40 nodes — if larger,
show domain-level with one expanded domain.
- `analysis/$1/call-graph.mmd`domain-level `graph TD`, entry points
highlighted
- `analysis/$1/data-lineage.mmd``graph LR`, programs → data stores,
read vs write marked
- `analysis/$1/critical-path.mmd``flowchart TD` of the primary flow
from `flows`, annotated with p50/p99 wall-clock if telemetry is
available (see `/modernize-assess` Step 4)
2. **`graph LR`Data lineage.** Programs → data stores.
Mark read vs write edges.
3. **`flowchart TD` — Critical path.** Trace ONE end-to-end business flow
(e.g., "monthly billing run" or "process payment") through every program
and data store it touches, in execution order. If production telemetry is
available (see `/modernize-assess` Step 4), annotate each step with its
p50/p99 wall-clock.
Also export the three diagrams as standalone `.mmd` files for re-use:
`analysis/$1/call-graph.mmd`, `analysis/$1/data-lineage.mmd`,
`analysis/$1/critical-path.mmd`.
## Annotate
Below each `<pre class="mermaid">` block in TOPOLOGY.html, add a `<ul>`
with 3-5 **architect observations**: tight coupling clusters, single
points of failure, candidates for service extraction, data stores
touched by too many writers.
## Present
Tell the user to open `analysis/$1/TOPOLOGY.html` in a browser, and to
try: search for a module, click it to see its connections, and pick a
persona flow from the walkthrough dropdown.
Tell the user to open `analysis/$1/TOPOLOGY.html` in a browser.

View File

@@ -1,98 +0,0 @@
---
description: Environment readiness check — analysis tools, build toolchain, source completeness, telemetry access
argument-hint: <system-dir> [target-stack]
---
Check whether this environment is ready to analyze — and eventually
transform — `legacy/$1`, and tell the user exactly what to fix before the
other commands run into it. Modernization sessions fail late and
confusingly when this isn't done: assessment metrics silently degrade
without analysis tools, characterization tests can't run without a build
toolchain, and dependency maps come out wrong when half the source isn't
in the tree.
Run every check even when an early one fails — the point is one complete
readiness report, not the first error.
## Check 1 — Detect the stack
Fingerprint `legacy/$1` from file extensions and manifests: languages,
build system, deployment/config descriptors. This drives which checks
below apply. Report what was detected and the rough file split.
## Check 2 — Analysis tooling
For each, check availability (`command -v`) and report version, what it's
used for, and what degrades without it:
| Tool | Used by | Without it |
|---|---|---|
| `scc` (or `cloc`) | assess | LOC/complexity fall back to `find`+`wc`; COCOMO estimate gets coarser |
| `lizard` | assess --portfolio | complexity estimated from decision-keyword counts |
| `glow` | all | markdown artifacts render as plain text |
| `delta` | transform | side-by-side diffs fall back to `diff -y` |
Include the platform's install one-liner for anything missing
(`brew install scc`, `apt install cloc`, `pip install lizard`, …).
## Check 3 — Build toolchain (smoke test, not just presence)
Identify the compiler/interpreter for the detected legacy stack — e.g.
GnuCOBOL (`cobc`) for COBOL, JDK + Maven/Gradle for Java, `cc`/`make` for
C, `dotnet` for .NET. Then **prove it works on this codebase**: pick one
representative source file and run a syntax-only compile
(`cobc -fsyntax-only`, `javac`, `gcc -fsyntax-only`, …).
A failed smoke test is the most valuable output of this command — report
the actual error and diagnose it: missing copybook/include path, missing
dialect flag (`-std=ibm` etc.), fixed vs free format, missing dependency
jar. These are the errors that otherwise surface mid-`/modernize-transform`
with much less context.
If the user passed a `[target-stack]`, do the same for it: runtime,
package manager, test framework (`mvn -v`, `npm -v`, `pytest --version`, …).
## Check 4 — Source completeness
The dependency map is only as good as what's in the tree. Check for the
detected stack's equivalents of:
- **Referenced-but-missing includes** — copybooks (`COPY X` with no
`X.cpy`), headers, imports that resolve nowhere. Count and list the top
missing names.
- **Deployment/config descriptors** — JCL for batch COBOL, CICS CSD
definitions, `web.xml`/route configs, cron/scheduler definitions.
Without these, entry-point detection and the code↔storage join in
`/modernize-map` are guesswork.
- **Data definitions** — DDL, schemas, copybook record layouts, ORM
mappings.
- **Binary-only artifacts** — load modules, jars, DLLs with no matching
source. These become unmappable black boxes; flag them now.
## Check 5 — Optional context
- **Production telemetry** — is an observability/APM MCP server connected,
or are batch job logs / runtime exports available? (Enables the runtime
overlay in `/modernize-assess` Step 4 and timing annotations in
`/modernize-map`.)
- **Version control history** — is `legacy/$1` under git with meaningful
history? (Change-frequency data sharpens risk ranking.)
## Report
Write `analysis/$1/PREFLIGHT.md`: a status table — one row per check,
status ✅ / ⚠️ / ❌, what was found, and the fix for anything not green —
followed by a **Ready / Ready-with-gaps / Not ready** verdict per command:
- `assess` + `map` + `extract-rules` — need Checks 12 green-ish and
Check 4's missing-include count low
- `brief` — needs only the three discovery artifacts; no tooling
- `transform` + `reimagine` — additionally need Check 3 green for the
**target** stack. A red legacy toolchain downgrades these to
Ready-with-gaps, not Not-ready: equivalence testing falls back to
recorded traces / golden-master fixtures instead of dual execution
(common and expected for CICS/IMS code that has no local runtime)
- `harden` — needs Check 2 plus any stack-specific SAST tooling found
Print the table in the session too, and end with the single most
important fix if anything is red.

View File

@@ -3,11 +3,7 @@ description: Multi-agent greenfield rebuild — extract specs from legacy, desig
argument-hint: <system-dir> <target-vision>
---
The first token of `$ARGUMENTS` is the system dir (`$1`); **everything
after it is the target vision** — it is usually multiple words, so do not
truncate it to one token. Below, `<vision>` means that full remainder.
**Reimagine** `legacy/$1` as: <vision>
**Reimagine** `legacy/$1` as: $2
This is not a port — it's a rebuild from extracted intent. The legacy system
becomes the *specification source*, not the structural template. This command
@@ -23,8 +19,7 @@ Spawn concurrently and show the user that all three are running:
2. **legacy-analyst** — "Catalog every external interface of legacy/$1:
inbound (screens, APIs, batch triggers, queues) and outbound (reports,
files, downstream calls, DB writes). For each: name, direction, payload
shape, frequency/SLA if discernible. Mask any credential embedded in
endpoints or payload examples per your secret-handling rules."
shape, frequency/SLA if discernible."
3. **legacy-analyst** — "Identify the core domain entities in legacy/$1 and
their relationships. Return as an entity list + Mermaid erDiagram."
@@ -37,9 +32,6 @@ Collect results. Write `analysis/$1/AI_NATIVE_SPEC.md` containing:
- **Non-functional requirements** inferred from legacy (batch windows, volumes)
- **Behavior Contract** (the Given/When/Then rules — these are the acceptance tests)
Credential values are masked everywhere in the spec; connection details
appear as env-var placeholders (`${DATABASE_URL}`), never literals.
## Phase B — HITL checkpoint #1
Present the spec summary. Ask the user **one focused question**: "Which of
@@ -48,21 +40,20 @@ should deliberately drop?" Wait for the answer. Record it in the spec.
## Phase C — Architecture (single agent, then critique)
Design the target architecture for "<vision>":
Design the target architecture for "$2":
- Mermaid C4 Container diagram
- Service boundaries with rationale (which rules/entities live where)
- Technology choices with one-line justification each
- Data migration approach from legacy stores
Then spawn **architecture-critic**: "Review this proposed architecture for
<vision> against the spec in analysis/$1/AI_NATIVE_SPEC.md. Identify over-engineering,
$2 against the spec in analysis/$1/AI_NATIVE_SPEC.md. Identify over-engineering,
missed requirements, scaling risks, and simpler alternatives." Incorporate
the critique. Write the result to `analysis/$1/REIMAGINED_ARCHITECTURE.md`.
## Phase D — HITL checkpoint #2
Present the architecture and **stop — scaffold nothing until the user
explicitly approves** (use plan mode if the session supports it).
Enter plan mode. Present the architecture. Wait for approval.
## Phase E — Parallel scaffolding
@@ -74,9 +65,7 @@ in parallel**:
and AI_NATIVE_SPEC.md. Create: project skeleton, domain model, API stubs
matching the interface contracts, and **executable acceptance tests** for every
behavior-contract rule assigned to this service (mark unimplemented ones as
expected-failure/skip with the rule ID). No credential literal from legacy
code becomes a test fixture or config default — use fake same-shape values
and env-var placeholders. Write to modernized/$1-reimagined/<service-name>/."
expected-failure/skip with the rule ID). Write to modernized/$1-reimagined/<service-name>/."
Show the agents' progress. When all complete, run the acceptance test suites
and report: total tests, passing (scaffolded behavior), pending (rule IDs
@@ -88,9 +77,7 @@ Write `modernized/$1-reimagined/CLAUDE.md` — the persistent context file for
the new system, containing: architecture summary, service responsibilities,
where the spec lives, how to run tests, and the legacy→modern traceability
map. This file IS the knowledge graph that future agents and engineers will
load — and it gets committed: connection details and credentials appear
only as env-var names with a pointer to where they're provisioned, never
as values.
load.
Report: services scaffolded, acceptance tests defined, % behaviors with a
home, location of all artifacts.

View File

@@ -1,54 +0,0 @@
---
description: Where am I in the modernization workflow — artifact inventory, staleness, secrets hygiene, next step
argument-hint: <system-dir>
---
Report where the modernization of `$1` stands, in one screen. This is a
read-only command — inspect, never modify.
## 1 — Artifact inventory
Check `analysis/$1/` and `modernized/$1*/` and build a table — one row per
workflow stage, with the artifact's presence and modification time:
| Stage | Artifacts |
|---|---|
| preflight | `PREFLIGHT.md` |
| assess | `ASSESSMENT.md`, `ARCHITECTURE.mmd` |
| map | `topology.json`, `TOPOLOGY.html`, `*.mmd`, `extract_topology.*` |
| extract-rules | `BUSINESS_RULES.md`, `DATA_OBJECTS.md` |
| brief | `MODERNIZATION_BRIEF.md` (note whether the approval block is signed) |
| harden | `SECURITY_FINDINGS.md`, `security_remediation.patch` |
| transform / reimagine | each `modernized/$1*/<module>/` dir — note test presence and whether `TRANSFORMATION_NOTES.md` exists |
## 2 — Staleness
Flag any artifact older than an upstream artifact it derives from:
- `MODERNIZATION_BRIEF.md` older than `ASSESSMENT.md`, `topology.json`,
or `BUSINESS_RULES.md` → the brief no longer reflects discovery;
recommend re-running `/modernize-brief`.
- `TOPOLOGY.html` older than `topology.json` → re-run the injection step
from `/modernize-map`.
- Any `TRANSFORMATION_NOTES.md` older than `BUSINESS_RULES.md` → the
module may not implement the latest rule set; list which.
## 3 — Secrets hygiene
- Does `analysis/.gitignore` exist and cover `SECRETS.local.md` /
`*.local.patch`? (`git check-ignore` when in a git repo.)
- If `SECRETS.local.md` exists: confirm it is NOT tracked
(`git ls-files --error-unmatch`, expect failure) and has never been
committed (`git log --all --oneline -- <path>`, expect empty). If
either check fails, say so prominently and recommend rotation plus
history scrubbing.
## 4 — Verdict
End with three lines:
- **Where you are** — the furthest completed stage and roughly how much
of the system it covers (e.g. "mapped 100%, 2 of 14 modules
transformed").
- **What's stale** — or "nothing".
- **Next command** — the single most useful next step, with a one-line
reason.

View File

@@ -9,37 +9,10 @@ equivalence.
This is a surgical, single-module transformation — one vertical slice of the
strangler fig. Output goes to `modernized/$1/$2/`.
## Step 0aToolchain check (fail fast on target, adapt on legacy)
Verify the build environment **before** planning, not when the tests
first run:
- **Target stack ($3) — required.** Runtime, package manager, and test
framework all respond (`java -version` + `mvn -v`, `node -v` + `npm -v`,
`python3 -V` + `pytest --version`, …). If any are missing, stop and
report what to install — the new code and its tests cannot run without
them, so a plan gate now would just defer the failure an hour. Suggest
`/modernize-preflight $1 $3` for the full readiness report.
- **Legacy stack — advisory, never a blocker.** Try a syntax-only compile
of the module being transformed (e.g. `cobc -fsyntax-only`). Legacy
code often *cannot* build locally by nature, not by misconfiguration —
CICS/IMS programs have no local translator, and the real runtime may be
a mainframe you don't have. A failed or impossible legacy compile does
**not** stop the transform; it changes the equivalence strategy:
- dual-execution proof is off the table — characterization tests
assert against **recorded traces / golden-master fixtures** (real
production outputs, captured reports/screens, SME-confirmed
examples) instead of live legacy runs
- say so explicitly in the Step 0b plan and later in
TRANSFORMATION_NOTES.md ("equivalence is trace-based; legacy was not
executable in this environment"), so reviewers know the strength of
the proof they're approving
## Step 0b — Plan (HITL gate)
## Step 0 — Plan (HITL gate)
Read the source module and any business rules in `analysis/$1/BUSINESS_RULES.md`
that reference it. Then present the plan and **stop — write no code until
the user explicitly approves** (use plan mode if the session supports it):
that reference it. Then **enter plan mode** and present:
- Which source files are in scope
- The target module structure (packages/classes/files you'll create)
- Which business rules / behaviors this module implements
@@ -57,9 +30,7 @@ identify every observable behavior, and encode each as a test case with
concrete input → expected output pairs derived from the legacy logic.
Target framework: <appropriate for $3>. Write to
`modernized/$1/$2/src/test/`. These tests define 'done' — the new code
must pass all of them. Follow your secret-handling rules: no credential
literal from legacy code becomes a fixture; substitute fake same-shape
values and read anything genuinely live from environment variables."
must pass all of them."
Show the user the test file. Get a 👍 before proceeding.
@@ -97,10 +68,6 @@ Then show a visual diff of one representative behavior, legacy vs modern:
```bash
delta --side-by-side <(sed -n '<lines>p' legacy/$1/<file>) modernized/$1/$2/src/main/<file>
```
(Fall back to `diff -y --width=160` if `delta` isn't installed.) Never
pick a credential-bearing line range for this diff, and mask any
credential-like literal quoted in TRANSFORMATION_NOTES.md — the notes
live in `modernized/` and get committed.
## Step 5 — Architecture review