How do I connect Lsp MCP Server to Claude?

Run `claude mcp add lsp-mcp-server -- npx -y @modelcontextprotocol/inspector node dist/index.js` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.

Is Lsp MCP Server free?

The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.

What can Lsp MCP Server do?

Lsp MCP Server documents 24 tools to the agent, including lsp_call_hierarchy, lsp_code_actions, lsp_completions. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.

Lsp MCP Server

Unclaimed

by ProfessioneIT

An MCP (Model Context Protocol) server that bridges Claude Code to Language Server Protocol (LSP) servers, enabling semantic code intelligence capabilities.

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01 / Choose your client

02 / Before you connect

Authentication is not specified. Check the project instructions before connecting.

Install the runtime required by the project and make it available to your client.

Project instructionsEnvironment variable names (optional)

Use names from the project instructions, separated by commas. Enter names only, never secret values.

03 / Add the configuration

Source: generated from public install instructions

claude mcp add --transport stdio 'lsp-mcp-server' -- 'npx' '-y' '@modelcontextprotocol/inspector' 'node' 'dist/index.js'

Run in your terminal after replacing any placeholders.

04 / Check it in your client

Open your client’s MCP settings and confirm the server connects and lists its tools. A copied configuration does not confirm a working connection.

llm-toolsmcpmcp-server

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24 of 24 tools

Documented tools (24)

From project documentation. A server handshake does not verify each tool’s description or behavior.

lsp_call_hierarchy

Get the call hierarchy for a function - who calls it and what it calls.

lsp_code_actions

Get available code actions (refactorings, quick fixes) at a position or range, and optionally apply them.

lsp_completions

Get code completion suggestions at a position.

lsp_diagnostics

Get cached diagnostics (errors, warnings) for a file.

lsp_document_symbols

Get all symbols (functions, classes, variables, etc.) defined in a document.

lsp_file_exports

Get the public API surface of a file - all exported functions, classes, interfaces, and variables.

lsp_file_imports

Get all imports and dependencies of a file.

lsp_find_implementations

Find all implementations of an interface or abstract method.

lsp_find_references

Find all references to a symbol across the workspace.

lsp_find_symbol

Find a symbol by name and get comprehensive information about it - no file path needed.

lsp_format_document

Format a document using the language server's formatting capabilities.

lsp_goto_definition

Navigate to the definition of a symbol.

lsp_goto_type_definition

Navigate to the type definition of a symbol (useful for finding the interface/class that defines a variable's type).

lsp_hover

Get hover information (type info, documentation) for a symbol.

lsp_related_files

Find files connected to a given file - what it imports and what imports it.

lsp_rename

Rename a symbol across the workspace.

lsp_server_status

Get status of running language servers.

lsp_signature_help

Get function/method signature information when inside a call expression.

lsp_smart_search

Comprehensive symbol search combining multiple LSP operations in one call.

lsp_start_server

Manually start a language server for a specific workspace.

lsp_stop_server

Stop a running language server.

lsp_type_hierarchy

Get the type hierarchy for a class or interface - supertypes and subtypes.

lsp_workspace_diagnostics

Get diagnostics across all open files in the workspace.

lsp_workspace_symbols

Search for symbols across the entire workspace by name.

Tool change history

Compared across complete checks of the same configuration. Tools were listed, not invoked. Input-schema changes are not measured here.

No complete tool checks yet.

FAQ

Questions about Lsp MCP Server

How do I connect Lsp MCP Server to Claude?: Run `claude mcp add lsp-mcp-server -- npx -y @modelcontextprotocol/inspector node dist/index.js` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.
Is Lsp MCP Server free?: The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.
What can Lsp MCP Server do?: Lsp MCP Server documents 24 tools to the agent, including lsp_call_hierarchy, lsp_code_actions, lsp_completions. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.