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Arca

build.arca.mcp/arca-mcp-serverVersion 0.0.1

Arca is a private data vault where your AI stores your structured data, semantic memory and skills.

Status

Sign-in required230 msReachable. It asks for authorization, so we did not look inside.

Registry data may be out of date

We could not refresh it, so this page shows the last copy.
Last checked
Nov 14, 2026, 13:41 UTC
Latency
230 ms
Remotes responding
1 of 1
Sign-in
OAuth sign-in
Hosting
Hosted outside the EU (detected)
Registry data as of
Nov 14, 2026, 22:14 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP
https://mcp.arca.build/Sign-in required230 ms
OAuth sign-in

Claude Code

This server asks for sign-in. Your client opens the sign-in when it connects.

claude mcp add --transport http arca-mcp-server https://mcp.arca.build/ --header 'Authorization: Bearer <YOUR_TOKEN>'

Replace <YOUR_TOKEN> before running.

Claude Desktop and claude.ai

Settings > Connectors > Add custom connector
Name: arca-mcp-server
Remote MCP server URL: https://mcp.arca.build/
This server expects the header Authorization.

Cursor

{
  "mcpServers": {
    "arca-mcp-server": {
      "url": "https://mcp.arca.build/",
      "headers": {
        "Authorization": "Bearer <YOUR_TOKEN>"
      }
    }
  }
}

Replace <YOUR_TOKEN> before running.

VS Code

code --add-mcp '{"name":"arca-mcp-server","type":"http","url":"https://mcp.arca.build/","headers":{"Authorization":"Bearer <YOUR_TOKEN>"}}'

Replace <YOUR_TOKEN> before running.

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Tools

Tools are visible after sign-in; we do not look inside protected servers.

Details

Registry status
Active
Published
Dec 15, 2025
Updated
Dec 15, 2025
Website
https://arca.build/⁠ (opens in a new tab)
Repository
Not given
Categories (suggested)
E-commerceKnowledge and notesSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR
Not declared

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