LSP Tools MCP Server

A Model Context Protocol (MCP) server providing Language Server Protocol-like functionality for text analysis.

Features

• Find Regex Position: Find the 0-indexed line and column positions of regex pattern matches in a file
• List Allowed Directories: Get a list of directories the server is allowed to access

Installation

npm install
npm run build

Usage

# Start the server allowing access to a specific directory
node dist/index.js /path/to/allowed/directory

# Start the server with multiple allowed directories
node dist/index.js /path/to/dir1 /path/to/dir2 /path/to/dir3

Development

Running Tests

The project uses Jest for testing. Run the tests with:

npm test

To run tests in watch mode during development:

npm run test:watch

Linting

Lint the code with ESLint:

npm run lint

Tool Documentation

find_regex_position

This tool finds the 0-indexed line and column positions of regex pattern matches in a file.

Parameters:

• path: The path to the file to search in
• regex: The regular expression pattern to search for

Returns:

• An array of matches with the following properties:
  • match: The matched text
  • line: The starting line (0-indexed)
  • column: The starting column (0-indexed)
  • endLine: The ending line (0-indexed)
  • endColumn: The ending column (0-indexed, exclusive)

list_allowed_directories

This tool lists all directories that this server is allowed to access.

Parameters:

• None

Returns:

• An array of absolute paths to allowed directories

License

MIT

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