go-mcp — Go MCP SDK

Go MCP SDK (mcp-go) providing a complete Model Context Protocol implementation for Go developers — enabling building type-safe MCP servers in Go with tool registration, resource management, prompt handling, and MCP transport layer support, making Go a first-class language for MCP server development.

Evaluated Mar 06, 2026 (0d ago) vcurrent

Homepage ↗ Repo ↗ Developer Tools go golang mcp-sdk mcp-server framework developer-tools

⚙ Agent Friendliness

/ 100

Can an agent use this?

🔒 Security

/ 100

Is it safe for agents?

⚡ Reliability

/ 100

Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality

Documentation

Error Messages

Auth Simplicity

Rate Limits

🔒 Security

TLS Enforcement

Auth Strength

Scope Granularity

Dep. Hygiene

Secret Handling

SDK framework. Developer implements auth/TLS. Well-maintained Go module. Follow Go security best practices.

⚡ Reliability

Uptime/SLA

Version Stability

Breaking Changes

Error Recovery

Best When

A Go developer or team needs to build a high-performance, concurrent MCP server — particularly for integrating existing Go services or building infrastructure tooling.

Avoid When

You don't use Go or need the most mature/supported MCP SDK — use the official Python or TypeScript MCP SDKs.

Use Cases

• Building high-performance MCP servers in Go from backend teams
• Creating memory-efficient MCP integrations for existing Go services
• Exposing Go microservice functionality as MCP tools from platform teams
• Building concurrent MCP servers with Go's goroutine model from infra teams
• Creating typed, safe MCP server implementations from SDK-first teams
• Integrating MCP into Go CLIs and system tools

Not For

• Non-Go developers (use Python or TypeScript MCP SDKs)
• Consuming MCP servers (this is for building them)
• Simple scripts — Go compilation overhead not worth it for simple one-off MCPs

Interface

REST API

GraphQL

gRPC

MCP Server

No ↗

SDK

Yes

Webhooks

OpenAPI Spec ↗

Authentication

Methods: none

OAuth: No Scopes: No

Go SDK — no auth required to use the library. Auth implementation in built servers is developer responsibility.

Pricing

Model: free

Free tier: Yes

Requires CC: No

Free, open source Go module. Available via go get.

Agent Metadata

Pagination

none

Idempotent

Full

Retry Guidance

Not documented

Known Gotchas

⚠ SDK for building, not consuming — cannot be used as an MCP server directly
⚠ Go module versioning — use go.mod to pin versions for stability
⚠ MCP spec version compatibility — check SDK release notes for spec support
⚠ Community SDK (mark3labs) — not official Anthropic Go SDK; well-maintained with good adoption
⚠ Go compilation required — adds build step compared to interpreted language MCPs
⚠ Concurrency patterns in Go require careful resource management for MCP tools

Alternatives

mcp-auth/python mcp-auth/js mcp-rb

Full Evaluation Report

Detailed scoring breakdown, competitive positioning, security analysis, and improvement recommendations for go-mcp — Go MCP SDK.

$99

API endpoint ↗ Agent guide ↗ Report inaccuracy

Scores are editorial opinions as of 2026-03-06.