JS Dev MCP Server

Developer MCP specifically geared towards managing JavaScript and TypeScript projects.

Usage

Add the command to your MCP client:

npx @soapbox.pub/js-dev-mcp

Development

• Build: npm run build
• Test: npm test
• Type check: npm run check
• Development: npm run dev

Available Tools

The implementation provides nine powerful tools:

1. shell: Execute a command in the shell

   • Parameters:
     • command (string): The command to execute

2. text_editor_view: View the content of a file

   • Parameters:
     • path (string): Absolute path to the file to view
     • start_line (number, optional): Starting line number (1-indexed, inclusive)
     • end_line (number, optional): Ending line number (1-indexed, inclusive)

3. text_editor_write: Create or overwrite a file with new content

   • Parameters:
     • path (string): Absolute path to the file to write
     • file_text (string): Content to write to the file

4. text_editor_str_replace: Replace a string in a file with a new string

   • Parameters:
     • path (string): Absolute path to the file
     • old_str (string): The string to replace
     • new_str (string): The new string to insert

5. npm_run_script: Run one of the available scripts in the project directory

   • Parameters:
     • script (string): Name of the script to run from package.json or deno.json

6. npm_add_package: Safely add a package to your project using npm. Creates package.json if it doesn't exist.

   • Parameters:
     • name (string): Name of the npm package
     • version (string, optional): Version string (optional)
     • dev (boolean, optional): If true, add to devDependencies (default: false)

7. npm_remove_package: Safely remove a package from your project using npm.

   • Parameters:
     • name (string): Name of the npm package to remove
     • dev (boolean, optional): If true, remove from devDependencies (default: false)

8. jsr_add_package: Safely add a JSR package to the project in the current directory. JSR is the JavaScript Registry at https://jsr.io

   • Parameters:
     • name (string): Name of the JSR package
     • version (string, optional): Version (optional)
     • dev (boolean, optional): If true, add to devDependencies (default: false)

9. jsr_remove_package: Safely remove a JSR package from the project in the current directory.

   • Parameters:
     • name (string): Name of the JSR package to remove