mcp-language-server gives MCP-enabled clients semantic code-navigation powers—go-to-definition, find references, rename, and diagnostics—by brokering requests to language servers. It is not “a language server for MCP,” but an MCP server that exposes language-server–style capabilities to agents and chat IDEs through typed tools. The README demonstrates a streamlined setup: install the Go server, plug in one or more language servers per language, and the MCP client gains editor-grade navigation across the workspace. This helps agents reason precisely about symbols and files instead of guessing via grep-like prompts, enabling safer edits and better refactoring proposals. The project maintains active issues and PRs, indicating ongoing polish around multi-language routing and robustness. It’s also listed in community indexes, reflecting adoption across MCP clients.

Features

  • Go-to-definition, references, rename, and diagnostics via MCP tools
  • Multi-language orchestration behind one MCP endpoint
  • Works with existing LSP servers for each language
  • Typed inputs/outputs for reliable agent workflows
  • Easy install flow with go install and minimal config
  • Foundation for safer code edits and refactors by agents

Project Samples

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