MCP Tool Definition Writer
Providing the parameter list and return format upfront lets the model produce a complete, valid schema instead of a generic skeleton.
Prompt
Write an MCP tool definition for a function called "{{tool_name}}" that {{tool_description}}.\n\nParameters:\n{{parameters_list}}\n\nReturn format: {{return_format}}\n\nGenerate the complete tool schema in JSON following the MCP specification, including:\n1. name and description\n2. inputSchema with JSON Schema types and required fields\n3. Example invocation with sample parameters\n4. Example successful response
Variables to customize
{{tool_name}}{{tool_description}}{{parameters_list}}{{return_format}}
Why this prompt works
Providing the parameter list and return format upfront lets the model produce a complete, valid schema instead of a generic skeleton.
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$ npm i -g @promptingbox/mcpClaude · Cursor · ChatGPT
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