Create or update root and nested AGENTS.md files that document scoped conventions, monorepo module maps, cross-domain workflows, and (optionally) per-module feature maps (feature -> paths, entrypoints, tests, docs). Use when the user asks for AGENTS.md, nested agent instructions, or a module/feature map.
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name: agents-md description: Create or update root and nested AGENTS.md files that document scoped conventions, monorepo module maps, cross-domain workflows, and (optionally) per-module feature maps (feature -> paths, entrypoints, tests, docs). Use when the user asks for AGENTS.md, nested agent instructions, or a module/feature map.
AGENTS.md builder
Goal
Add lightweight, scoped guidance for an AI agent (and humans) by placing AGENTS.md files at key directory boundaries:
- root: cross-domain guidance + a module map (for monorepos)
- nested: tech-specific instructions for each component/module
- optional: feature maps at the module level
Optimize for concise and precise instructions (short bullets, minimal prose). Link to docs for depth.
Inputs to ask for (if missing)
- Is this a monorepo (multiple independently-built modules) or a single project?
- Repo layout: where backend, frontend, docs, infra live; list the major modules/subprojects.
- Cross-domain workflows to document (e.g., frontend calling backend API, auth flow, shared types, local dev).
- If you want feature maps: top 5-15 user-facing features (names) and which module owns them.
- Any rules about MCP usage to capture in root AGENTS.md (allowed servers/tools, safety constraints).
- Any hard rules (do not touch X, required commands, style rules).
Where to put AGENTS.md (heuristics)
Create AGENTS.md at:
- repo root (global rules + module map + cross-domain workflows)
- each major component/module root (e.g.,
backend/,frontend/,docs/,infra/) - any subdirectory that has different conventions, ownership, or high risk (payments, auth, data migrations)
Avoid placing AGENTS.md too deep unless there is a real boundary; too many files become noise.
Workflow (checklist)
- Inventory the repo
- List top-level directories and build files (Gradle/Maven, Node/Next, docs site).
- Identify the natural "component roots" and any critical submodules.
- Draft root
AGENTS.md- State global rules only (things that apply everywhere).
- If monorepo: add a module/subproject map (not a feature map) and links to each nested AGENTS.md.
- Keep tech-specific instructions out of root; push them into the owning module's AGENTS.md.
- Docs: do not open/read
docs/by default; consult only when asked or required. - Add cross-domain workflows (how modules connect): frontend <-> backend API, auth/session, contract location (OpenAPI/GraphQL), "run together" local dev.
- Add cross-repo verification guidance: where to run per module + prereqs; quiet first run; re-run narrowed failures with verbose logs when debugging.
- Draft nested AGENTS.md per component
- Put tech-specific instructions in the module that owns them:
- Backend: how to run, test, migrate DB; key modules and entrypoints.
- Frontend: how to run, build, test; env vars; key routes/areas.
- Docs: docs structure, where to add ADRs/runbooks, how to preview/build docs.
- Put tech-specific instructions in the module that owns them:
- Build maps (as needed)
- If monorepo: module map goes in root (use
references/module-map-format.md). - Feature maps should live in the owning module AGENTS.md (use
references/feature-map-format.md).
- If monorepo: module map goes in root (use
- Verify consistency
- Ensure guidance does not conflict between parent/child scopes.
- Keep each AGENTS.md short and actionable; move long detail into docs under
docs/.
Templates
Use these templates:
- Root + module AGENTS.md:
references/agents-template.md - Module map format:
references/module-map-format.md - Feature map table format (per module):
references/feature-map-format.md - Suggested
docs/layout (Spring + Next):references/docs-structure.md
Deliverable
Provide:
- Root
AGENTS.md(if requested) with module map and cross-domain workflows. - Nested
AGENTS.mdper component/module with tech-specific guidance. - Optional feature map tables per module (if requested).
- A list of files created/updated and any open questions.
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