| name | agent-instruction-migration |
| description | Use this skill to audit, deduplicate, and migrate coding-agent instructions across AGENTS.md, CLAUDE.md, .clinerules, Cline rules, Roo custom modes, Continue rules, Cursor/Windsurf rules, OpenCode agents, prompt repositories, and Codex skills. |
Agent Instruction Migration
Convert useful agent rules into concise, maintainable Codex project instructions or skills without importing prompt spam.
Workflow
- Inventory sources: AGENTS.md, CLAUDE.md, .clinerules, .roo, .continue, Cursor/Windsurf rules, OpenCode agents, MCP config, repo docs, and global skills.
- Classify each rule as durable policy, project-specific convention, reusable workflow, tool integration, validation step, or low-value prompt text.
- Keep project-local rules in AGENTS.md when they describe repository structure, commands, boundaries, or coding style.
- Promote reusable cross-project workflows into a skill only when they have clear triggers and repeated operational value.
- Merge duplicates into the strongest existing instruction; do not create a new skill for a renamed copy.
- Rewrite rules into imperative, testable instructions with explicit guardrails and validation commands.
- Preserve provenance in the implementation notes or final report, not as copied source text inside the skill.
- Regenerate skill index and validate all affected skills.
Quality Filter
Accept a candidate when it:
- closes a real gap in installed skills or AGENTS.md;
- adds a tool-specific workflow, validation method, or safety boundary;
- is supported by official docs, active OSS practice, or repeated local usage;
- can be described in a concise SKILL.md with clear triggers.
Reject a candidate when it:
- is generic "be helpful" or role-play text;
- duplicates an installed skill with weaker wording;
- relies on license-unclear copied prompt text;
- adds unsafe autonomy, hidden chain-of-thought demands, or secret exfiltration risk;
- cannot be validated with a command, checklist, or concrete task.
Output Mapping
- Repository rules: AGENTS.md.
- Reusable workflow:
.codex/skills/<skill>/SKILL.md.
- Skill discoverability:
agents/openai.yaml.
- Deterministic helper: skill-local
scripts/ or global scripts/.
- Long reference material: skill-local
references/, loaded only when needed.
Guardrails
- Do not overwrite existing instructions silently; create timestamped backups for material replacements.
- Do not copy large prompt files or copyrighted text verbatim.
- Do not migrate secrets, credentials, private endpoint names, or personal data.
- Do not preserve unsafe rules that bypass tests, approvals, rate limits, auth, or production safeguards.
