Arca
build.
Arca is a private data vault where your AI stores your structured data, semantic memory and skills.
Live
Last successful check: 25 Oct 2026, 20:57 UTC.
- answered, last 24 hours
- 100%
- answered, last 30 days
- 100%
At arca.build, its best endpoint.
How addrbook checks →Connect
https:MCP: addrbook sends an initialize and a tools/list. It never calls a tool. Website: addrbook loads the page.
Who's behind it
- Listed by
- MCP Registrybuild.
arca. mcp/ arca- mcp- serverlast seen UTC
- MCP Registrybuild.
- Wallets named
- None in its listings
- Listed since
Checks by endpoint
| Host | Protocol | State | Last checked (UTC) | Last answered (UTC) | 24 hours | 30 days | Tools |
|---|---|---|---|---|---|---|---|
| mcp. | MCP | Live, sign-in required | 100% | 100% | — | ||
| arca. | Website | Live | 100% | 100% | — |