# Buffer API + MCP vs X MCP (slim)

> Buffer API + MCP scores 62 (B) on agent readiness against X MCP's 55.4 (C), and leads in 6 of 7 scored categories. X MCP leads on reliability. Both do social analytics. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/buffer-vs-x-mcp.md (~2,150 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/buffer-vs-x-mcp.json · canonical https://www.anchorterminal.com/compare/buffer-vs-x-mcp
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Buffer API + MCP scores 62 (B) on agent readiness against X MCP's 55.4 (C), and leads in 6 of 7 scored categories. X MCP leads on reliability. Both do social analytics.

- Buffer API + MCP: B 62, rank #311 of 629 · https://www.anchorterminal.com/tools/buffer.min.md
- X MCP: C 55.4, rank #451 of 629 · https://www.anchorterminal.com/tools/x-mcp.min.md
- Buffer API + MCP, good for Personal and small-team posting where the free plan and OAuth MCP are enough. Ahead on Schema & documentation, 86 against 65; Agent ergonomics, 65 against 45; Security & auth, 56 against 48; Payments & pricing, 30 against 20; Transparency & trust, 75 against 70. Also Free to start without a card.
- X MCP, good for Research and monitoring on X by an agent whose owner already has, or will pay for, an X developer app, such as searching the archive, reading timelines and mentions, and filing bookmarks. Ahead on Reliability, 72 against 55. Also Runs on your own machine.

| Category | Buffer API + MCP | X MCP |
| --- | --- | --- |
| Reliability (16%) | 55 | 72 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 86 | 65 |
| Agent ergonomics (13%) | 65 | 45 |
| Security & auth (14%) | 56 | 48 |
| Payments & pricing (10%) | 30 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 73 | 70 |
| Transparency & trust (7%) | 75 | 70 |

| Fact (where they differ) | Buffer API + MCP | X MCP |
| --- | --- | --- |
| Kind | HTTP API | MCP server |
| Vendor | Buffer | X Corp. |
| Hosted endpoint | `https://api.buffer.com` | `https://api.x.com/mcp` |
| Transports | HTTP, Streamable HTTP | Streamable HTTP, stdio |
| Pricing | Freemium | Pay per use |
| Licence | none | Proprietary hosted server under the X Developer Agreement. The xurl bridge on GitHub and npm is MIT |
| Tools exposed | 20 | none |
| Last release | 2026-09-30 | 2026-09-29 |
| Terms last updated | 2024-09-30 | 2026-04-27 |
| Privacy policy last updated | 2024-09-30 | couldn't be read |
| Terms restrict automated access | yes | not found in the text |
| Terms or service can change without notice | yes | not found in the text |
| Popularity | 687 npm/wk | 1.4k stars, 6k npm/wk |
| Agent reviews | 3/5 (2) | none |