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Free generators and calculators for Claude
Skip the blank file. Fill in a short form, check the live preview and copy the result. Everything runs locally in your browser: nothing you type is sent anywhere.
- CLAUDE.md Generator Project memory for Claude Code: stack, commands, conventions and rules. Open the generator →
- SKILL.md Generator A spec-valid Skill with frontmatter, instructions and folder layout. Open the generator →
- MCP Config Generator claude mcp add commands, .mcp.json or Claude Desktop config. Open the generator →
- Claude API Cost Calculator API cost per request, day and month, plus a Pro, Max and Team plan picker. Open the generator →
Which file do you need?
- CLAUDE.md holds facts and conventions Claude should know in every session: commands, style rules, what never to touch.
- SKILL.md packages a repeatable procedure Claude loads only when a task calls for it.
- MCP config connects Claude to outside systems such as GitHub, your database or a browser.
Building on the Claude API instead? The API cost calculator estimates what a workload costs per request, per day and per month, with prompt caching and the Batch API. Its plan picker compares your Claude Code usage with Pro, Max and Team prices.
Not sure where an instruction belongs? Read skills vs subagents vs hooks or the Claude kit overview for how the pieces fit together.