Use when creating or editing skills, or modifying AGENTS.md or other agent instruction files.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
Reference for writing any document an agent consumes: a skill, an `AGENTS.md` or another agent instruction file, a doc reached by a pointer. The packaging differs; the writing does not: the same levers make each one predictable, since the agent takes the same _process_ every run rather than producing the same output.
When the document you're writing is a skill, read [`SKILL-MECHANICS.md`](SKILL-MECHANICS.md) for frontmatter, invocation choice, and router skills.
## Context pointers
A **context pointer** is a reference held in the agent's context that names some out-of-context material and encodes the condition for reaching it. A skill's description is one; a line in `AGENTS.md` naming a doc is the same object. The pointer's _wording_, not its target, decides when the agent reaches the material, and how reliably. A must-have target behind a weakly worded pointer is a variance bug: sharpen the wording first, and inline the material only if sharpening fails.
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The line at the top of this page pins the label git:20261006.f349c21, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
GET https://markdownregistry.com/api/v1/artifacts/art_azglpm2wvt6jh6lp
GET https://markdownregistry.com/api/v1/resolve?ref=kunanonj/ai-skills-hub/writing-for-agents
GET https://markdownregistry.com/api/v1/blob/93720a5d3f01458d5b165a3cf4fd83befc4c8ba5bcfb50552033c4146f392927
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
kunanonj/ai-skills-hub · plugins/superstacks/skills/code-review/SKILL.md · Use when reviewing a branch, PR, or WIP since a commit, tag, or merge-base. Two-axis Standards and Spec review via…
kunanonj/ai-skills-hub · plugins/superstacks/skills/diagnosing-bugs/SKILL.md · Use when the user says diagnose or debug this, or reports something broken, throwing, failing, or slow.
kunanonj/ai-skills-hub · plugins/superstacks/skills/domain-modeling/SKILL.md · Use when discussing codebase terminology, writing or editing a GLOSSARY.md, or recording or editing an ADR.
kunanonj/ai-skills-hub · plugins/superstacks/skills/gardening/SKILL.md · Use when finding small maintenance work. One concern per PR, each with a verify command and a small diff budget.
kunanonj/ai-skills-hub · plugins/superstacks/skills/grill-with-docs/SKILL.md · Use when grilling a plan or design that should also produce ADRs and a glossary as you go.
kunanonj/ai-skills-hub · plugins/superstacks/skills/grilling/SKILL.md · Use when the user wants to stress-test a plan, decision, or idea, or uses any grill trigger phrases.
kunanonj/ai-skills-hub · plugins/superstacks/skills/how/SKILL.md · Use for how-does-X-work walkthroughs, placement, ownership, and layering questions before changing code.
kunanonj/ai-skills-hub · plugins/superstacks/skills/intake-triage/SKILL.md · Use when a coordinator has a batch of bug reports, feedback, or alerts. Deduplicate, group, score two-way vs one-way…
kunanonj/ai-skills-hub · plugins/superstacks/skills/interrogate/SKILL.md · Use for interrogate, adversarial review, multi-model review, challenge this, stress test this code, or find blind spots.
kunanonj/ai-skills-hub · plugins/superstacks/skills/mistake-to-constraint/SKILL.md · Use when a mistake repeats. Encode it as the strongest guard — type or runtime, lint, test, directory convention, then…
kunolu/640-skills · sbtd-workflow-onboard/assets/external-skills/stable/skills/writing-for-agents/SKILL.md · Writing documents for agents. Use when creating or editing skills, or modifying AGENTS.md or CLAUDE.md.
oyadotai/oya-browser · .agents/skills/writing-for-agents/SKILL.md · This skill should be used when creating or editing skills, agent definitions, AGENTS.md, CLAUDE.md, or reference…
oyadotai/oya-browser · .claude/skills/writing-for-agents/SKILL.md · This skill should be used when creating or editing skills, agent definitions, AGENTS.md, CLAUDE.md, or reference…
qshanx/docs-governance · skills/documentation/writing-for-agents/SKILL.md · Writing documents for agents. Use when creating or editing skills, or modifying AGENTS.md or CLAUDE.md.
timharris707/skills · skills/author/writing-for-agents/SKILL.md · Write and prune documents an agent consumes: a SKILL.md, an AGENTS.md or CLAUDE.md, a rules file, a reference file…
timharris707/skills · plugins/clickai-codex/skills/author/writing-for-agents/SKILL.md · For skills, standing agent instructions, recorded rules, or documents agents skip, write and prune reliable triggers…
vodailocz/kilo-kit-mcp · skills/productivity/writing-for-agents/SKILL.md · Writing documents for agents. Use when creating or editing skills, or modifying AGENTS.md or CLAUDE.md.
