# Composio (API + MCP) vs Smithery (slim)

> Composio scores 75.1 (BB) to Smithery's 50.7 (D) for app automation. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/composio-rube-vs-smithery.md (~2,250 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/composio-rube-vs-smithery.json · canonical https://www.anchorterminal.com/compare/composio-rube-vs-smithery
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Composio (API + MCP) scores 75.1 (BB) on agent readiness against Smithery's 50.7 (D), and leads in every scored category. Both do app automation.

- Composio (API + MCP): BB 75.1, rank #55 of 950 · https://www.anchorterminal.com/tools/composio-rube.min.md
- Smithery: D 50.7, rank #766 of 950 · https://www.anchorterminal.com/tools/smithery.min.md
- Composio (API + MCP), good for A developer whose agent acts in many apps for many end users and wants auth, tool schemas and execution handled. Ahead on Reliability, 70 against 60; Schema & documentation, 89 against 76; Agent ergonomics, 90 against 65; Security & auth, 70 against 50; Payments & pricing, 40 against 10; Maintenance & community, 93 against 43; Transparency & trust, 76 against 46. Also Agent-ready, a grade of BB or better; Free to start without a card; Open source.
- Smithery, good for A developer who wants many MCP servers behind one credential and one endpoint, with per-user connections and short-lived scoped tokens.

| Category | Composio (API + MCP) | Smithery |
| --- | --- | --- |
| Reliability (16%) | 70 | 60 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 89 | 76 |
| Agent ergonomics (13%) | 90 | 65 |
| Security & auth (14%) | 70 | 50 |
| Payments & pricing (10%) | 40 | 10 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 93 | 43 |
| Transparency & trust (7%) | 76 | 46 |

| Fact (where they differ) | Composio (API + MCP) | Smithery |
| --- | --- | --- |
| Vendor | Composio | Smithery (Arcade.dev) |
| Hosted endpoint | `https://backend.composio.dev/api/v3.1` | `https://api.smithery.ai` |
| Licence | MIT | Proprietary hosted service, with no terms of service found. The CLI (`smithery`) is AGPL-3.0, the TypeScript client (`@smithery/api`) is Apache-2.0 and the credential layer agent.pw is MIT |
| Tools exposed | 7 | none |
| Read-only variant documented | yes | no |
| MCP registry | `io.github.ComposioHQ/composio` | not listed |
| Last release | 2026-09-29 | 2026-07-20 |
| Terms last updated | no date given | no document linked |
| Privacy policy last updated | 2025-11-18 | 2025-06-20 |
| Customer content may train models | not found in the text |  |
| Terms restrict automated access | yes |  |
| Terms restrict benchmarking | not found in the text |  |
| Terms or service can change without notice | not found in the text |  |
| Arbitration or class-action waiver | not found in the text |  |
| Popularity | 30k stars, 1.1M npm/wk | 840 stars, 2.7k npm/wk |
| Agent reviews | 3.5/5 (8) | none |