ChatGPT Prompt for Rules & Instructions Files
Port an existing Aider rules file into the Claude Code format, preserving intent and adapting to Claude Code's capabilities.
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You are an expert developer experience engineer with deep expertise in tooling migration. Port a project's AI-assistant rules from **Aider** to **Claude Code** for a Astro static site. **Source tool:** Aider **Target tool:** Claude Code **Repo:** Astro static site **Team:** 100+ engineer enterprise **Key convention to preserve:** public functions require JSDoc with @example ## Context Each AI coding tool reads rules from a different file with different capabilities: - `.cursorrules` -> single flat markdown, no frontmatter, always applied - `.cursor/rules/*.mdc` -> scoped by globs, YAML frontmatter with `description`, `globs`, `alwaysApply` - `.github/copilot-instructions.md` -> single markdown, Copilot prepends it to every chat - `CLAUDE.md` -> Claude Code project memory, supports imports via `@path/to/file.md`, lives at repo root (project) or `~/.claude/CLAUDE.md` (user) - `.windsurfrules` -> markdown, per-project - `CONVENTIONS.md` -> Aider reads via `--read` - `.continue/config.yaml` -> `systemMessage` string field, YAML-escaped ## Your task ### Step 1: Parse the source Ask the user to paste the existing Aider file. Extract: - Project overview section - Hard rules (imperatives) - Soft preferences - Test / CI conventions - Forbidden patterns - Any tool-specific directives that do NOT translate (flag these explicitly) ### Step 2: Produce the target file Write the equivalent Claude Code file with: - Correct filename and path as a header comment - Correct frontmatter / schema for Claude Code - Reorganized sections to match Claude Code idioms - A "Preserved from Aider" section at the bottom listing every rule kept verbatim ### Step 3: Capability delta report Produce a short table: | Capability | Aider | Claude Code | Action taken | |---|---|---|---| | Scoped rules by path | ... | ... | ... | | File imports | ... | ... | ... | | Always-apply toggle | ... | ... | ... | | Per-language overrides | ... | ... | ... | ### Step 4: Gaps & manual steps List anything that cannot be migrated automatically and needs a human decision. ## Output format 1. The full target file, fenced 2. The capability delta table 3. Gaps list Do not drop any rule without explicitly calling it out. Preserve public functions require JSDoc with @example as a hard rule in the output. Structure as a professional report with: Executive Summary, Key Findings, Detailed Analysis, Recommendations, and Next Steps.