cclsp

What it does

cclsp is an MCP server that integrates LLM-based coding agents with Language Server Protocol (LSP) servers. It solves the common issue where AI assistants struggle with precise line and column numbers, providing a robust layer for symbol resolution and codebase navigation.

Tools

• find_definition: Locates the definition of a symbol by name and kind.
• find_references: Finds all usages of a symbol across the workspace.
• rename_symbol: Renames a symbol across all affected files with backup creation.
• rename_symbol_strict: Precision renaming based on a specific line and character position.
• get_diagnostics: Retrieves current LSP errors, warnings, and hints for a file.
• restart_server: Manually restarts LSP servers for specific extensions or globally.

Installation

Using npx for one-time setup:

npx cclsp@latest setup

Add to Claude Desktop config:

{
  "mcpServers": {
    "cclsp": {
      "command": "npx",
      "args": ["-y", "cclsp@latest"],
      "env": {
        "CCLSP_CONFIG_PATH": "/path/to/cclsp.json"
      }
    }
  }
}

Supported hosts

• claude
• cursor