Arca
Arca is a private data vault where your AI stores your structured data, semantic memory and skills.
likely compatible
Declares API key header (Authorization); use Copilot Studio 'API key' → Header.
Rule R2b · what this means · Not tested in Copilot Studio.
| Registry name | build.arca.mcp/arca-mcp-server |
| Endpoint used for verdict | https://mcp.arca.build |
| Transports | streamable-http, sse |
| Auth (Copilot Studio setting) | API key (header) |
| Last endpoint check | 2026-10-20T18:10:20Z · HTTP 401 |
| Website | https://arca.build |
| Version | 0.0.1 |
| Registry updated | 2025-12-15 |
Track changes like this weekly. New Copilot-ready MCP servers, breakages and auth changes, in one short email.
Is this wrong or out of date? Email us. Data built 2026-10-20.