MCP Tool Definition Best Practices: Claude Code Prompt

MCPMCP

MCP Tool Definition Best Practices: Claude Code Prompt

Write a complete MCP tool definition with input schema, output schema, error handling, and safety constraints

Write a complete MCP tool definition for [TOOL NAME] using the @modelcontextprotocol/sdk.

The tool does: [DESCRIBE WHAT THE TOOL DOES].

Write the complete definition including:

1. **Tool metadata**
   - name: snake_ca
TLDR

MCP tool definition prompt for building production-grade tools — input schema, error handling, output format, and safety constraints.

MCP use case guide

20 prompts across the complete mcp workflow

How to use

  1. 1

    Start by clearly defining the tool's purpose in the "describe what the tool does" section to ensure the generated MCP tool definition aligns with its intended functionality.

  2. 2

    Use the provided structure for tool metadata to create precise and informative entries, as this helps the agent make accurate decisions when calling the tool.

  3. 3

    After completing the implementation section, double-check that all external API calls are properly wrapped in try/catch blocks to handle errors effectively and maintain robustness in your MCP definition.

Frequently asked questions

What is the MCP Tool Definition Best Practices: Claude Code Prompt prompt used for?

MCP tool definition prompt for building production-grade tools — input schema, error handling, output format, and safety constraints.

How do I get the best results from this tool definitions prompt?

Paste the prompt into Claude Code, Cursor, fill in every bracketed placeholder with your specific information, then submit. The more detail you add to each placeholder, the more targeted the output. You can continue in the same conversation to refine tone, length, or focus without restarting from scratch.

Does this prompt work with Claude Code?

Yes. This prompt is optimized for Claude Code and also works well with Cursor. The structured format with a defined role and numbered steps produces consistent results across all major instruction-following models, so you can use whichever tool you prefer.

How do I access this mcp prompt?

This tool definitions prompt is available through TopFreePrompts with a Lucy+ licence. You can get access with a one-time Lucy+ purchase for $109, or a $15/month plan you can cancel anytime. Both options give access to the full library of 1,000,000+ prompts across all categories.

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