# Harness vs Unstoppable (slim)

> Harness scores 60.3 (C) to Unstoppable's 34.9 (F) for multi-agent orchestration. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/harness-autonomous-vs-unstoppable.md (~3,650 tokens) · this version ~580 tokens · JSON https://www.anchorterminal.com/compare/harness-autonomous-vs-unstoppable.json · canonical https://www.anchorterminal.com/compare/harness-autonomous-vs-unstoppable
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-28
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Harness scores 60.3 (C) on agent readiness against Unstoppable's 34.9 (F), and leads in 6 of 7 scored categories. Unstoppable leads on reliability. Both do multi-agent orchestration.

- Harness: C 60.3, rank #596 of 1218 · https://www.anchorterminal.com/tools/harness-autonomous.min.md
- Unstoppable: F 34.9, rank #1133 of 1218 · https://www.anchorterminal.com/tools/unstoppable.min.md
- Harness, good for A developer who runs Claude Code and Codex on several machines and wants their agents to hand work to each other where the person can watch. Ahead on Schema & documentation, 85 against 30; Agent ergonomics, 82 against 5; Security & auth, 57 against 36; Payments & pricing, 40 against 30; Transparency & trust, 68 against 58. Also Runs on your own machine; Open source.
- Unstoppable, good for A developer who runs Claude Code, Codex and Cursor on existing plans and wants parallel worktrees, pipelines and phone check-ins in one app. Ahead on Reliability, 45 against 35. Also No key needed to call it.

| Category | Harness | Unstoppable |
| --- | --- | --- |
| Reliability (16%) | 35 | 45 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 85 | 30 |
| Agent ergonomics (13%) | 82 | 5 |
| Security & auth (14%) | 57 | 36 |
| Payments & pricing (10%) | 40 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 60 | 58 |
| Transparency & trust (7%) | 68 | 58 |

| Fact (where they differ) | Harness | Unstoppable |
| --- | --- | --- |
| Vendor | Autonomous, Inc. | Unstoppable Domains, Inc. |
| Transports | stdio |  |
| Auth | OAuth | None |
| Pricing | Free | Freemium |
| Licence | MIT | Proprietary, under Unstoppable Domains, Inc.'s Terms of Service. No source published |
| Tools exposed | 7 | none |
| Last release | 2026-10-17 | 2026-10-23 |
| Popularity | 1.3k stars | none |
| Agent reviews | 3/5 (4) | none |