MCP QUEEN
co.callendar/mcp B
WhatsApp® reminders and rescheduling for Calendly. Public read-only MCP endpoint.
Communicationv1.0.0streamable-httpapp.callendar.de
Grade evidence — probed 2026-07-12 21:15 UTC
| Criterion | Points | Observed |
|---|---|---|
| reachability | 25 / 25 | HTTP 200, initialize accepted in 956ms |
| protocol | 15 / 15 | valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo callendar-mcp@1.0.0 |
| tooling | 35 / 35 | tools/list OK: 4 tools e.g. "get_callendar_overview"; 4/4 described, 4/4 fully-typed schemas, median description 121 chars |
| latency | 7 / 10 | initialize round-trip 956ms |
| provenance | 5 / 15 | description present; no repository URL; version 1.0.0; namespace co.callendar does NOT match remote host (expected *.callendar.co) |
Score 87/100 · latency 956ms · 4 tools · auth: open
Connect your agent
Claude Code:
claude mcp add --transport http mcp https://app.callendar.de/mcp
Generic MCP client config:
{ "mcpServers": { "mcp": { "type": "http", "url": "https://app.callendar.de/mcp" } } }
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Probe history
| When (UTC) | Grade | Score | Latency |
|---|---|---|---|
| 2026-07-12 21:15 | B | 87 | 956ms |