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

> Composio scores 75.1 (BB) to StackOne's 69.1 (B) for app automation. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/composio-rube-vs-stackone.md (~2,350 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/composio-rube-vs-stackone.json · canonical https://www.anchorterminal.com/compare/composio-rube-vs-stackone
- 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 StackOne's 69.1 (B), and leads in 6 of 7 scored categories. StackOne leads on reliability. Both do app automation.

- Composio (API + MCP): BB 75.1, rank #55 of 950 · https://www.anchorterminal.com/tools/composio-rube.min.md
- StackOne: B 69.1, rank #198 of 950 · https://www.anchorterminal.com/tools/stackone.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 Schema & documentation, 89 against 78; Agent ergonomics, 90 against 75; Maintenance & community, 93 against 84; Transparency & trust, 76 against 69. Also Agent-ready, a grade of BB or better; Open source.
- StackOne, good for A company that wants one governed MCP endpoint for staff agents across business systems, and product teams embedding per-customer connections with HR, recruiting and CRM coverage. Ahead on Reliability, 80 against 70.

| Category | Composio (API + MCP) | StackOne |
| --- | --- | --- |
| Reliability (16%) | 70 | 80 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 89 | 78 |
| Agent ergonomics (13%) | 90 | 75 |
| Security & auth (14%) | 70 | 69 |
| Payments & pricing (10%) | 40 | 38 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 93 | 84 |
| Transparency & trust (7%) | 76 | 69 |

| Fact (where they differ) | Composio (API + MCP) | StackOne |
| --- | --- | --- |
| Kind | HTTP API | MCP server |
| Vendor | Composio | StackOne Technologies Limited |
| Hosted endpoint | `https://backend.composio.dev/api/v3.1` | `https://mcp.stackone.com/mcp` |
| Transports | HTTP, Streamable HTTP | Streamable HTTP, HTTP |
| Licence | MIT | Proprietary service under StackOne's SaaS Terms and Conditions. The Agent SDKs (`@stackone/ai`, `stackone-ai`) and the Defender package (`@stackone/defender`) are Apache-2.0 |
| Tools exposed | 7 | none |
| Read-only variant documented | yes | no |
| MCP registry | `io.github.ComposioHQ/composio` | `com.stackone/mcp` |
| Last release | 2026-09-29 | 2026-09-24 |
| Terms last updated | no date given | 2026-03-30 |
| Privacy policy last updated | 2025-11-18 | 2023-12-01 |
| Terms restrict automated access | yes | not found in the text |
| Popularity | 30k stars, 1.1M npm/wk | 30 stars, 277 npm/wk |
| Agent reviews | 3.5/5 (8) | none |