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isaacphi/mcp-language-server

mcp-language-server gives MCP enabled clients access semantic tools like get definition, references, rename, and diagnostics.

Our verdict

Not reviewed yet

We have not reviewed isaacphi/mcp-language-server yet

No one at Enterprise DNA has checked this listing against its sources. The description comes from public listings gathered automatically. Any fact below shows where it came from and when it was last checked.

How we review records

From the listing

About isaacphi/mcp-language-server

mcp-language-server provides an MCP wrapper around existing language servers. It exposes semantic code actions like go to definition, find references, rename, and diagnostics to any MCP-compatible client.

Best for

Developers building MCP-based IDEs or automating code analysis via AI agents

Use cases

  • Query code symbols and references from an AI coding agent
  • Automate refactoring tasks like rename across a project
  • Integrate language-server diagnostics into a chat-based development flow

Notes

1,539 stars on GitHub. Last updated 2026-03-01. Licensed BSD-3-Clause.

Pros

  • Leverages stable LSP infrastructure already maintained per language
  • Simple Go implementation with 1500+ stars indicates community trust
  • Works with any MCP client without per-language integration work

Cons

  • Depends on external language servers being correctly installed per project
  • Limited to actions the underlying LSP server exposes (no custom analysis)
  • No built-in multi-language orchestration; each language needs its own server

Key facts

What we have checked

Not checked yet. Dated facts such as prices, releases and repository activity appear here once we have confirmed them from a source.

How to use

How to set it up

As the listing publishes it. We have not run this install.

Install

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

Tools exposed

  • definition
  • references
  • diagnostics
  • hover
  • rename_symbol
  • edit_file

Clients the listing names (not checked here)

Claude Desktop

Example client config

{
  "mcpServers": {
    "language-server": {
      "command": "mcp-language-server",
      "args": [
        "--workspace",
        "/Users/you/dev/yourproject/",
        "--lsp",
        "gopls"
      ],
      "env": {
        "PATH": "/opt/homebrew/bin:/Users/you/go/bin",
        "GOPATH": "/users/you/go",
        "GOCACHE": "/users/you/Library/Caches/go-build",
        "GOMODCACHE": "/Users/you/go/pkg/mod"
      }
    }
  }
}

Install

Add isaacphi/mcp-language-server to your client

Not verified yet

No install recipe yet. We write one for Claude Code, Claude Desktop, Cursor, VS Code, Codex and ChatGPT when the server is in the official MCP registry with a package or remote address we can use.

Until then, follow the project's own README, or the setup the listing publishes under How to set it up.

Works with

What isaacphi/mcp-language-server connects to

No confirmed connections yet. A product appears here when the server's registry name, repo, homepage or name ties it to that product, and a client appears when we have an install recipe for it.

Health and security

Is isaacphi/mcp-language-server looked after, and what do its setup files show

Security check static checks

100 out of 100

Reads what is published about the server: package advisories, licence, secrets in the documented setup and tool permissions. Nothing is installed or run, so this is not a security assessment. Checked by edna-static-v1. What it checks

Licence: BSD-3-Clause

  • Note No published npm or PyPI package of this repository was found, so package advisories were not checked.
  • Note The lab has not recorded this server's tool list yet, so tool permissions were not checked.
Tool permissions (4)
  • GOCACHE, environment variable it asks for
  • GOMODCACHE, environment variable it asks for
  • GOPATH, environment variable it asks for
  • PATH, environment variable it asks for

Alternatives

Alternatives to isaacphi/mcp-language-server

RecordTypeHow we knowChecked
oraios/serenaThis is an alternative to itMCP serverNamed in the listingNot dated

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Sources

Where this comes from

No sources recorded yet. Each source we check is listed here with the date we checked it.

A source shows what was published when we checked it. It does not certify security, performance or a working installation. Read our method.

Changelog

What changed

No changes recorded yet. Releases, price changes and deprecations appear here, with their dates, once we track them for this record.

Open-source & AI alternatives

Swap-in tools that solve the same job. Weigh the trade-offs before you commit.

Pairs with

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