MCPs › Data & APIs › Arca
Private data vault storing structured data, semantic memory, and skills for AI assistants
Not monetized yet
Turn Arca’s tool calls into revenue: one disclosed sponsored slot, 70% revenue share, fail-open by design.
Install Arca
For anyone using Arca — no Lulu account neededclaude mcp add --transport http arca https://mcp.arca.build/mcp
Real-time weather for any city, built on the lulu-ads widget gallery. First-party, free forever.
View server →FAQ
Run: claude mcp add --transport http arca https://mcp.arca.build/mcp
Yes — it’s a remote MCP server, so no local install is needed.
ChatGPT: Settings → Connectors → Advanced → Developer mode → Add connector, then paste https://mcp.arca.build/mcp.
Claude.ai: Settings → Connectors → Add custom connector, then paste the same URL.
Unrated out of 100, computed from cross-registry traction signals (installs, stars, registry presence) — never influenced by sponsorship.
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