Guide construction of MCP servers that expose external services through well-designed, documented, testable tools. Use for mcp-builder, MCP server, Model Context Protocol, build MCP, FastMCP, TypeScript MCP SDK, MCP SDK, MCP tools, MCP evaluations, MCP Inspector, streamable HTTP and stdio transport. Use when the task needs to build an MCP server for an external API or service, design MCP tools, resources, prompts, transport, schemas, pagination, or error handling, implement an MCP server in TypeScript with the MCP SDK, implement an MCP server in Python with FastMCP, review or test MCP server quality and create or run MCP server evaluations. Requires skillspec decide before substrate tools or overlapping low-level skills. Preserves evidence with SkillSpec routes, forbids, dependencies, traces, and token-savings reports
How to install mcp-builder?
modiqo/skillspec/mcp-builder
$npx -y skills add modiqo/skillspec --skill mcp-builderInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/modiqo/skillspec" --skill "modiqo/skillspec/mcp-builder"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/modiqo/skillspec" that are relevant to the current task. Run `npx skills add "https://github.com/modiqo/skillspec"` and select the relevant skills, then follow their instructions.
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