# Cal.com API v2 + MCP vs Calendly API + MCP (slim)

> Calendly API + MCP has a score of 68.4 (B) against Cal.com API v2 + MCP's 57.5 (C). Both do calendar read. The largest gap is reliability, 25 points. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/cal-com-vs-calendly.md (~1,500 tokens) · this version ~330 tokens · JSON https://www.anchorterminal.com/compare/cal-com-vs-calendly.json · canonical https://www.anchorterminal.com/compare/cal-com-vs-calendly
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05

Calendly API + MCP has a score of 68.4 (B) against Cal.com API v2 + MCP's 57.5 (C). Both do calendar read. The largest gap is reliability, 25 points.

- Cal.com API v2 + MCP: C 57.5, rank #292 of 452 · https://www.anchorterminal.com/tools/cal-com.min.md
- Calendly API + MCP: B 68.4, rank #125 of 452 · https://www.anchorterminal.com/tools/calendly.min.md
- Pick Cal.com API v2 + MCP for nothing in particular. Pick Calendly API + MCP for reliability (+25), schema & documentation (+10), agent ergonomics (+11), security & auth (+14).

| Category | Cal.com API v2 + MCP | Calendly API + MCP |
| --- | --- | --- |
| Reliability (16%) | 60 | 85 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 76 | 86 |
| Agent ergonomics (13%) | 50 | 61 |
| Security & auth (14%) | 56 | 70 |
| Payments & pricing (10%) | 30 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 50 | 50 |
| Transparency & trust (7%) | 81 | 81 |