MCP server directory

mcp

One of the ways to connect extension.dev — MCP server

MCP server that lets AI agents (Claude Code, Claude Desktop, Cursor, Copilot, Codex) build, run, inspect, and publish browser extensions. 30 tools for scaffolding, live DOM inspection, log streaming, and store-ready builds across Chrome, Edge, Firefox, Sa

Provides AI agents with tools to develop, run, inspect, debug, test, and build cross-browser extensions, including a platform for sharing and publishing.

Version:: 10.15.1
Publisher:: extension.dev
Company:: extension.dev (third-party)
Docs:: docs.extension.dev/tools/mcp; Summary written by google/gemini-2.5-flash-lite from the server’s own site and README; facts above come from the registries.; Logo: https://media.extension.land/brand/extension-dev/logo-dock.png

Install

Generated from the server’s transport data — never hand-written. Placeholders in angle brackets are yours to fill.

Run it with its own identity, a budget you set, and every call audited — no local config to keep in sync.

Add to a connect0 project

You will sign in first, then land back on this page.

What it can do

No capability summary yet — the publisher has not declared one and it has not been verified.