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Add complete .cursor/ directory with rules, agents, skills, commands, and MCP config adapted for Cursor's format. This makes ecc-universal a truly cross-IDE package supporting Claude Code, Cursor, and OpenCode. - 27 rule files with YAML frontmatter (description, globs, alwaysApply) - 13 agent files with full model IDs and readonly flags - 30 skill directories (identical Agent Skills standard, no translation) - 31 command files (5 multi-* stubbed for missing codeagent-wrapper) - MCP config with Cursor env interpolation syntax - README.md and MIGRATION.md documentation - install.sh --target cursor flag for project-scoped installation - package.json updated with .cursor/ in files and cursor keywords
69 lines
3.7 KiB
Markdown
69 lines
3.7 KiB
Markdown
# Migrating from Claude Code to Cursor
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This guide maps Claude Code concepts to their Cursor equivalents.
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## Concept Mapping
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| Claude Code | Cursor | Notes |
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|-------------|--------|-------|
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| `~/.claude/rules/` | `.cursor/rules/` | Project-scoped; YAML frontmatter with `description`, `globs`, `alwaysApply` |
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| `~/.claude/agents/` | `.cursor/agents/` | `model: opus` → `model: anthropic/claude-opus-4-5`; `tools` → `readonly` |
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| `~/.claude/skills/` | `.cursor/skills/` | Identical Agent Skills standard (SKILL.md) |
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| `~/.claude/commands/` | `.cursor/commands/` | Compatible markdown format |
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| `~/.claude.json` mcpServers | `.cursor/mcp.json` | Uses `${env:VAR_NAME}` interpolation syntax |
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| Hooks (PreToolUse/PostToolUse/Stop) | No equivalent | Use linters, formatters, pre-commit hooks, CI/CD |
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| Contexts | Rules with `alwaysApply: false` | Manually activated via @ mentions |
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| `model: opus` | `model: anthropic/claude-opus-4-5` | Full model ID required |
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| `model: sonnet` | `model: anthropic/claude-sonnet-4-5` | Full model ID required |
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| `tools: ["Read", "Grep"]` | `readonly: true` | Read-only tools mapped to readonly flag |
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| `tools: ["Read", "Write", "Bash"]` | `readonly: false` | Write tools mapped to full access |
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## Feature Parity Matrix
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| Feature | Claude Code | Cursor | Status |
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|---------|-------------|--------|--------|
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| Rules | Global + Project | Project only | Available |
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| Agents | Full tool control | readonly flag | Available |
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| Skills | Agent Skills standard | Agent Skills standard | Identical |
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| Commands | Slash commands | Slash commands | Available |
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| MCP Servers | Native support | Native support | Available |
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| Hooks | PreToolUse/PostToolUse/Stop | Not available | Use alternatives |
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| Contexts | Context files | Rules (alwaysApply: false) | Partial |
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| Multi-model orchestration | codeagent-wrapper | Not available | Not available |
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| Global config | ~/.claude/ | Project .cursor/ only | Different scope |
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## Key Differences
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### Rules
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- **Claude Code**: Rules stored globally in `~/.claude/rules/` with subdirectories
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- **Cursor**: Rules stored in project `.cursor/rules/` with YAML frontmatter for metadata
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- **Translation**: Subdirectory paths flattened with hyphens (e.g., `common/security.md` → `common-security.md`)
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### Agents
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- **Claude Code**: Specify individual tools via `tools: [...]` array
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- **Cursor**: Binary `readonly: true/false` flag
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- **Translation**: Read-only tools (Read, Grep, Glob) → `readonly: true`; any write tool → `readonly: false`
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### Model IDs
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- **Claude Code**: Short names (`opus`, `sonnet`, `haiku`)
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- **Cursor**: Full Anthropic model IDs (`anthropic/claude-opus-4-5`, `anthropic/claude-sonnet-4-5`)
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### Hooks → Alternatives
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Claude Code hooks have no direct equivalent in Cursor. Alternatives:
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- **Formatting on save**: Configure Cursor's format-on-save with Prettier, Black, gofmt
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- **Linting**: Use Cursor's built-in linter integration (ESLint, Ruff, golangci-lint)
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- **Pre-commit**: Use `husky` or `pre-commit` for git hooks
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- **CI/CD**: Move stop-hook checks to GitHub Actions or similar
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### MCP Configuration
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- **Claude Code**: Environment values use placeholder strings (e.g., `"YOUR_GITHUB_PAT_HERE"`)
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- **Cursor**: Environment values use interpolation syntax (e.g., `"${env:GITHUB_PERSONAL_ACCESS_TOKEN}"`)
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## Tips for Migrating
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1. **Start with rules**: Install common + your language-specific rules first
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2. **Add agents gradually**: Start with planner and code-reviewer, add others as needed
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3. **Skills are plug-and-play**: The skills/ directory works identically in both tools
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4. **Set up MCP**: Copy mcp.json and configure your environment variables
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5. **Replace hooks with CI**: Set up pre-commit hooks and CI checks for what you lose from Claude Code hooks
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