Arc is a Model Context Protocol (MCP) server: Local coordination hub for coding agents: durable shared memory, tasks, and handoffs. Desktop app. In practice that means any MCP-compatible AI assistant can call Arc's tools directly — the model decides when to use them in a conversation or agent run.
No credentials are required — it works out of the box. The current release is v1.9.1.
Arc is listed under Memory on mcp.site and works with any MCP client — Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, Zed and the rest of the ecosystem — using the install snippets below. If you maintain Arc for megastructure.ai, claim this listing to verify ownership, earn the Verified badge, and keep the details current.
