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LSP

tritlo/lsp-mcp

An MCP (Model Context Protocol) server for interacting with LSP (Language Server Protocol) interface. This server acts as a bridge that allows LLMs to query LSP Hover and Completion providers.

View on GitHub17

Install

npx tritlo/lsp-mcp haskell /usr/bin/haskell-language-server-wrapper lsp

Client configuration

{
  "mcpServers": {
    "lsp-mcp": {
      "command": "npx",
      "args": [
        "tritlo/lsp-mcp",
        "<language-id>",
        "<path-to-lsp>",
        "<lsp-args>"
      ]
    }
  }
}
GitHub stars
17
Author
@tritlo
Category
Developer Tools, Education & Learning
License
MIT
Updated
Oct 6, 2026

Features

  • lsp-diagnostics:// resources for accessing diagnostic messages with real-time updates via subscriptions

Tools (15)

  • get_info_on_location

    Get hover information at a specific location in a file

  • get_completions

    Get completion suggestions at a specific location in a file

  • get_code_actions

    Get code actions for a specific range in a file

  • open_document

    Open a file in the LSP server for analysis

  • close_document

    Close a file in the LSP server

  • get_diagnostics

    Get diagnostic messages (errors, warnings) for open files

  • start_lsp

    Start the LSP server with a specified root directory

  • restart_lsp_server

    Restart the LSP server without restarting the MCP server

  • set_log_level

    Change the server's logging verbosity level at runtime

  • file_path

    Path to the file

  • language_id

    The programming language the file is written in (e.g., "haskell")

  • start_line

    Start line number

  • start_column

    Start column position

  • end_line

    End line number

  • end_column

    End column position

Details on this page are taken from the project's README. Open README

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