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Record · mcp-languageMCP serverCosts not checkedNo recent recorded pushRecord checked Sep 23, 2026

MCP Language Server

Run a language server and expose definitions, references, diagnostics and renames to MCP clients.

Visit MCP Language Server →View repository

Sources and review

Checked against public documentation on . Suitability guidance is our editorial judgment; this is not a performance benchmark or an endorsement.

Best for

Agents working in typed codebases that need accurate go-to-definition, references and safe renames.

Avoid if

You can't install Go and a language server for your language; both are prerequisites.

About MCP Language Server

mcp-language-server runs an existing language server, such as gopls, rust-analyzer, pyright or tsserver, and exposes its semantic tools to LLMs: a symbol's full definition, all references, file diagnostics, hover information, and renaming a symbol across the codebase. It gives agents compiler-grade navigation instead of text search.

MCP Language Server is listed in this index written primarily in Go, with 1.6k stars on GitHub. Its latest recorded repository push was in March 2026; that is not an ASE editorial review date.

Before connecting: access and data

This record's specific permissions have not been reviewed by ASE. Read the publisher's documentation before copying setup or connecting.

  • List the accounts, files and services the enabled tools can read, change or execute. Check your actual credentials and discovered tools.
  • Use narrowly scoped credentials and read-only mode where supported. Review proposed writes before approving them; a generated configuration does not apply these limits for you.
  • Local launch is not local-only data processing. External services receive requests, and your client may pass tool results to its model provider. Check both destinations before sharing private data.
  • Keep keys and browser session files out of shared config, repositories and screenshots. Know how to disconnect the server and separately revoke its credentials or account sessions.

Read the setup guide →

Install

go install github.com/isaacphi/mcp-language-server@latest
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