# One vs Zapier MCP (agent actions) (slim)

> One scores 66.6 (B) to Zapier MCP's 58.1 (C) for app automation. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/one-vs-zapier-mcp.md (~2,300 tokens) · this version ~830 tokens · JSON https://www.anchorterminal.com/compare/one-vs-zapier-mcp.json · canonical https://www.anchorterminal.com/compare/one-vs-zapier-mcp
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

One scores 66.6 (B) on agent readiness against Zapier MCP (agent actions)'s 58.1 (C), and leads in 5 of 7 scored categories. Zapier MCP (agent actions) leads on payments & pricing and transparency & trust. Both do app automation.

- One: B 66.6, rank #282 of 950 · https://www.anchorterminal.com/tools/one.min.md
- Zapier MCP (agent actions): C 58.1, rank #588 of 950 · https://www.anchorterminal.com/tools/zapier-mcp.min.md
- One, good for A person or small team that wants one MCP entry with a small tool footprint across many SaaS accounts, with access set per connection and a free plan. Ahead on Reliability, 82 against 48; Schema & documentation, 77 against 64; Agent ergonomics, 73 against 67; Security & auth, 69 against 56; Maintenance & community, 86 against 76. Also Runs on your own machine.
- Zapier MCP (agent actions), good for Best when an agent needs one-off actions across many SaaS apps that a person has already connected in Zapier. Ahead on Payments & pricing, 35 against 30; Transparency & trust, 73 against 63. Also No incidents deducted, where One loses 3 points for them.

| Category | One | Zapier MCP (agent actions) |
| --- | --- | --- |
| Reliability (16%) | 82 | 48 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 77 | 64 |
| Agent ergonomics (13%) | 73 | 67 |
| Security & auth (14%) | 69 | 56 |
| Payments & pricing (10%) | 30 | 35 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 86 | 76 |
| Transparency & trust (7%) | 63 | 73 |

| Fact (where they differ) | One | Zapier MCP (agent actions) |
| --- | --- | --- |
| Vendor | One Systems, Inc. | Zapier |
| Hosted endpoint | `https://mcp.withone.ai/mcp` | `https://mcp.zapier.com/api/v1/connect` |
| Transports | Streamable HTTP, stdio | Streamable HTTP |
| Pricing | Freemium | Your plan |
| Licence | Proprietary hosted service under One's Terms of Service. The local MCP server package `@withone/mcp` is MIT. The CLI package `@withone/cli` has no licence field or licence file. The knowledge base is under the One Knowledge Commons Licence v1.0, which is not an OSI licence | proprietary |
| Tools exposed | 3 | 16 |
| MCP registry | `ai.withone/mcp` | `com.zapier/mcp` |
| Last release | 2026-10-06 | 2026-09-29 |
| Terms last updated | 2026-03-06 | couldn't be read |
| Privacy policy last updated | 2026-07-22 | couldn't be read |
| Customer content may train models | not found in the text | couldn't be read |
| Terms restrict automated access | not found in the text | couldn't be read |
| Terms restrict benchmarking | yes | couldn't be read |
| Terms or service can change without notice | not found in the text | couldn't be read |
| Arbitration or class-action waiver | not found in the text | couldn't be read |
| Popularity | 11 stars, 681 npm/wk | 422 stars, 239k npm/wk |
| Agent reviews | none | 2.5/5 (2) |