arc-mcp. MCPB extension for controlling Arc browser using AppleScript through the Model Context Protocol

github.com/andrewgazelka/arc-mcp

Problem

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Audience

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Market

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Pricing

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Updates

December 2025

Release —v0.44 Dec 4
fix: create minimal MCPB bundle with self-contained server Dec 4
Release —v0.43 Dec 3
docs: add return instruction to MCP tool description Dec 3
Release —v0.42 Dec 3
fix: throw errors on browser action failures instead of returning Act… Dec 3
Release —v0.41 Dec 3
feat: add click integration test and fix JSON parsing for Arc Dec 3
Release —v0.40 Dec 3
refactor: simplify build by using plain JS for browser code Dec 3
Release —v0.39 Dec 3
update Dec 3
Release —v0.38 Dec 3
test: enable tests with Arc browser running Dec 3
Release —v0.37 Dec 3
fix: propagate browser action failures as MCP errors Dec 3
Release —v0.36 Dec 3
fix: replace broken regex-based TypeScript stripping with proper ts.t… Dec 3
Release —v0.35 Dec 3
test: skip ALL tests that require Arc browser Dec 3
fix: allow vitest to pass when all tests are skipped Dec 3
test: skip ALL browser interaction tests in CI Dec 3
test: skip all tests that require Arc browser in CI Dec 3
fix: run build before typecheck in CI Dec 3
ci: run full CI suite including tests Dec 3
fix: replace RegExp with string in test locators Dec 3
test: add comprehensive test suite with vitest Dec 3
chore: remove committed build artifacts from git Dec 3
fix: use esbuild to run TypeScript build script in CI Dec 3
docs: add Node.js flake guide and update README for Nix Dec 3