gopls-mcp
About
The essential MCP server for Go language: Exposing compiler-grade semantics to AI Agents and LLM for deterministic code analysis and minimal token usage.
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- xieyuschen
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Setup
Install gopls-mcp in your MCP client (Claude Desktop, Cursor, Windsurf, and others).
Repository: https://github.com/xieyuschen/gopls-mcp
Follow the installation instructions in the repository README, then restart your MCP client.
Give your AI Agent the compiler's brain, not a text searcher.
gopls-mcp delivers type-checker-level semantic analysis directly to your LLM. Unlike text search, it resolves Go's type system — interface satisfaction, cross-package identity, and shadowed scopes — with the same precision as the compiler.
Where it pays off most is onsemantic tasks: finding all concrete types that implement an interface, tracing call hierarchies, and mapping package dependencies. Abenchmarkover 11 tasks shows gopls-mcp uses 2–4× fewer tool calls and finishes faster than grep-based navigation on those tasks. For simple same-file lookups, plain bash/grep remains equally effective and carries less overhead.
/plugin marketplace add https://github.com/xieyuschen/gopls-mcp.git /plugin install gopls-mcp
The plugin automatically installs the binary and injects the routing skill — no manual setup required.
codex plugin marketplace add https://github.com/xieyuschen/gopls-mcp.git codex plugin add gopls-mcp
curl -sSL https://gopls-mcp.org/install.sh | bash
irm https://gopls-mcp.org/install.ps1 | iex
Then follow the per-client setup athttps://gopls-mcp.org/quick-start.
The project is actively developing, and feel free to raise PRs or issues if you find anything to improve. AI generated code will also be accepted but do remember to narrow the change to a specific feature for reviewer to quickly review them.
Disclaimer: gopls-mcp is a fork ofgoplsand is a community-driven project. It is not an official Go team product and is not affiliated with or endorsed by Google LLC. This project is licensed under the same BSD license as itsupstreamsource.
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