# Free tools for AI agents

Browser tools that set up and check Claude Code, Codex, Cursor and other agents. No signup, nothing stored.

## Set up your agent

- [MCP Config Generator](https://agentshandbook.com/tools/mcp-config-generator.md): Write the MCP config file, path and install command for Claude, Codex, VS Code and Cursor.
- [AGENTS.md Generator](https://agentshandbook.com/tools/agents-md-generator.md): Write a lean AGENTS.md for Codex, Cursor, Copilot and Claude Code, or check the one you have.
- [CLAUDE.md Generator](https://agentshandbook.com/tools/claude-md-generator.md): Write a CLAUDE.md for Claude Code, share it with AGENTS.md, or check the one you have.
- [SKILL.md Validator](https://agentshandbook.com/tools/skill-md-validator.md): Check a SKILL.md against the Agent Skills spec and get each fix, with the source for every rule.
- [Claude Code Permissions Builder](https://agentshandbook.com/tools/claude-code-permissions.md): Build the permissions block of Claude Code's settings.json, with presets, plain rules and risk checks.

## Choose and budget

- [Claude Code Cost Calculator](https://agentshandbook.com/tools/claude-code-cost-calculator.md): Compare Claude Code on the API with Pro, Max 5x and Max 20x, from your real token counts or an estimate.
- [AI Agent Finder](https://agentshandbook.com/tools/agent-finder.md): Type a job and see which AI agents our sourced playbooks use for it, ranked by evidence.