mcp-builder-v3 - MCP Server Development Guide
Guides the research, implementation, testing, and provenance-preserving handoff of MCP servers that let LLMs interact with external services.
Tags
Updated: 2026-10-05Capabilities
Typical Inputs
Typical Outputs
What this skill does
- Research MCP specifications
- Plan API coverage
- Implement MCP tools
- Configure transport mechanisms
- Add authentication and pagination
- Test with MCP Inspector
- Preserve provenance records
Inputs
- Service API documentation
- MCP specification documentation
- Upstream workflow files
- Repository and commit metadata
- Authentication requirements
- Service data models
Outputs
- MCP server source files
- Tool, resource, and prompt definitions
- Build and test results
- Provenance audit records
- Reviewable handoff materials
Requirements
- WebFetch access
- TypeScript or Python environment
- MCP SDK support
- MCP Inspector