Agents Md

by getsentryd18b7aa8ba87No license1K starsListed Oct 8, 2026Updated Oct 8, 2026Repository updated 5 days ago

Creates and maintains concise AGENTS.md and CLAUDE.md project instruction files. Use when asked to create AGENTS.md, update AGENTS.md, maintain agent docs, set up CLAUDE.md, document repository agent conventions, or keep coding-agent instructions minimal and reference-backed.

Instructions onlyAI & Agents
AI-generated overview

Creates and maintains concise AGENTS.md and CLAUDE.md instruction files for coding agents in a repository.

What it does
This skill guides the agent through inspecting a repository's package manager, commands, docs, and conventions before writing agent instruction files. It produces a short AGENTS.md at the repository root, optionally symlinked as CLAUDE.md, using headings, bullets, and tables with exact repo-relative paths and commands. It also defines default sections, external reference tables, writing rules, and anti-patterns to keep the file minimal.
When to use it
Use it when asked to create or update AGENTS.md, set up CLAUDE.md, document repository agent conventions, or keep coding-agent instructions minimal and reference-backed. It fits repositories that need concise, actionable instructions for coding agents.
Requirements
No scripts are shipped; it is instructions only. It relies on the agent reading repository files such as lock files, manifests, CI workflows, README.md, CONTRIBUTING.md, docs, specs, policies, and SECURITY.md.

Maintaining AGENTS.md

Goal: concise, actionable agent instructions. Target under 60 lines; never exceed 100.

Workflow

  1. Inspect before writing:
    • package manager: lock files and manifests
    • commands: package.json, Makefile, task runners, CI workflows
    • docs/specs/policies: README.md, CONTRIBUTING.md, docs/, specs/, policies/, SECURITY.md, .github/
    • conventions: current code patterns, test layout, generated files, legacy areas to avoid
  2. Choose scope:
    • root AGENTS.md: repo-wide defaults
    • nested AGENTS.md: only when a subtree has different commands or rules
    • closest instruction file wins; keep narrower files shorter than root files
  3. Write the smallest useful file.
  4. Verify exact paths and commands exist.

File Setup

  • Create AGENTS.md at the repository root.
  • If a Claude-compatible entrypoint is required, symlink CLAUDE.md to AGENTS.md.
  • Do not maintain divergent AGENTS.md and CLAUDE.md copies.

Default Sections

Use only sections that add non-obvious value.

markdown
# Agent Instructions
## Package Manager- Use **pnpm**: `pnpm install`
## Commands| Task | Command ||------|---------|| Test file | `pnpm vitest run path/to/file.test.ts` || Lint file | `pnpm eslint path/to/file.ts` |
## External References| Need | File ||------|------|| Setup | `CONTRIBUTING.md` || Architecture | `docs/architecture.md` || Security policy | `SECURITY.md` |
## Key Conventions- Generated files: update with `pnpm generate`; do not edit by hand.
## Commit AttributionAI commits MUST include:```Co-Authored-By: (the agent's name and attribution byline)```

Writing Rules

  • Use headings, bullets, and tables; avoid paragraphs.
  • Use repo-relative paths; avoid vague references like "see docs".
  • Reference existing docs/specs/policies instead of copying them.
  • List exact external files for setup, architecture, API specs, security, release, and policy docs when they exist.
  • Prefer file-scoped test/lint/typecheck commands; include full builds only when no narrower command exists.
  • Put commands in tables when there is more than one.
  • Keep one rule per bullet.
  • Keep rationale out unless it prevents a likely mistake.
  • Do not restate linter, formatter, or typechecker config.
  • Do not list installed skills or plugins.
  • Do not include generic quality slogans.

External Reference Rules

Good:

markdown
## External References| Need | File ||------|------|| API contract | `docs/api.md` || Release process | `docs/releasing.md` |

Anti-Patterns

  • welcome text, intros, conclusions, or pleasantries
  • long prose explaining why instructions matter
  • duplicated content from README.md, CONTRIBUTING.md, or policy docs
  • project-wide commands when file-scoped commands are available
  • nested AGENTS.md files that repeat root instructions

Source and attribution

Source:getsentry/skillsinskills/agents-mdat commitd18b7aa

License: No license

Content belongs to its original authors. SourceWeft indexes it from a public repository.

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