ask262

updated this year

MCP server for understanding Javascript internals from ECMAScript specification. Provides vector search over the ECMAScript spec, section content retrieval, and JavaScript code execution with spec section tracing via engine262.

Code-only MCP server: no hosted endpoint, so you install and run it yourself. It is not probed, graded or counted in our reachability statistics.

Get it

Package: npm: ask262
Run (stdio): npx -y ask262
The usual command for this package registry; check the repository README for required settings.
License: ISC
Last update: 2026-04-23
Homepage: www.npmjs.com/package/ask262

mcp mcp-server model-context-protocol ecmascript javascript engine262 specification js-engine

Listed in

npm · source

Run this server as a hosted endpoint? Submit the endpoint and it moves to the remote directory, where it is probed and graded.