zig-sdk

zig-sdk is an unofficial SDK for the Model Context Protocol (MCP). It is written in Zig 0.16.0 and has no dependencies. It implements MCP specification revision 2026-07-28.

API reference

The Zig compiler makes these pages from the doc comments of the source code.

• Module mcp

  The protocol types, the server, the client, the stdio and HTTP transports, authorization and TLS.

• Module mcp_grpc

  The gRPC transport. It carries JSON-RPC messages over HTTP/2.

Guides

• Wiki

  Getting started, the server and client guides, the transports and the security model.

• Conformance

  The results of the official conformance suite.

• Conformance matrix

  Each normative sentence of the specification and the tests that check it.

Source

• Repository

  The source code, the issues and the pull requests.

• Releases

  The signed release tags and their notes.

• Changelog

  The changes of each version.