Technical library

MCP implementation guides.

Direct, implementation-focused explanations for teams exposing existing APIs to MCP-compatible clients.

How OpenAPI operations become MCP tools

Understand the mapping from an OpenAPI document to a hosted MCP tool surface.

Learn how bearer tokens and API keys flow from an MCP client to an upstream API.

Separate draft MCP changes from the configuration currently served to clients.

Use operational and audit metadata to troubleshoot MCP activity while keeping payloads upstream.

Prepare a published 0mcp endpoint for Claude, Cursor, Codex, VS Code, Windsurf, and other clients.

Distinguish missing or invalid credentials from valid credentials that lack permission.

Last reviewed: July 13, 2026