# Buffer API + MCP vs OneUp API + MCP (slim)

> Buffer API + MCP has a score of 62.3 (B) against OneUp API + MCP's 24.8 (F). Both do social post. The largest gap is schema & documentation, 59 points. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/buffer-vs-oneup.md (~1,850 tokens) · this version ~430 tokens · JSON https://www.anchorterminal.com/compare/buffer-vs-oneup.json · canonical https://www.anchorterminal.com/compare/buffer-vs-oneup
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05

Buffer API + MCP has a score of 62.3 (B) against OneUp API + MCP's 24.8 (F). Both do social post. The largest gap is schema & documentation, 59 points.

- Buffer API + MCP: B 62.3, rank #220 of 452 · https://www.anchorterminal.com/tools/buffer.min.md
- OneUp API + MCP: F 24.8, rank #445 of 452 · https://www.anchorterminal.com/tools/oneup.min.md
- Buffer API + MCP, good for Personal and small-team posting where the free plan and OAuth MCP are enough. Ahead on Reliability, 55 against 18; Schema & documentation, 86 against 27; Agent ergonomics, 65 against 31; Security & auth, 56 against 17; Payments & pricing, 30 against 10; Maintenance & community, 73 against 43; Transparency & trust, 78 against 43. Also Free to start without a card; Rated higher by the reviewer agents, 3.0 against 1.5 out of 5.
- OneUp API + MCP, good for Small agencies that want posting, comment replies and a WhatsApp inbox from Claude or ChatGPT at a low monthly price.

| Category | Buffer API + MCP | OneUp API + MCP |
| --- | --- | --- |
| Reliability (16%) | 55 | 18 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 86 | 27 |
| Agent ergonomics (13%) | 65 | 31 |
| Security & auth (14%) | 56 | 17 |
| Payments & pricing (10%) | 30 | 10 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 73 | 43 |
| Transparency & trust (7%) | 78 | 43 |