# Cline vs Unstoppable

> Cline scores 60.5 (C) to Unstoppable's 34.9 (F) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/cline-vs-unstoppable
- Markdown: https://www.anchorterminal.com/compare/cline-vs-unstoppable.md (~3,550 tokens)
- Slim: https://www.anchorterminal.com/compare/cline-vs-unstoppable.min.md (~630 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/cline-vs-unstoppable.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key)
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-10-28

Cline scores 60.5 (C) on agent readiness against Unstoppable's 34.9 (F), and leads in every scored category. Both do agent harnesses.

- Cline: grade C, 60.5/100, rank #582 of 1218. Markdown https://www.anchorterminal.com/tools/cline.md · JSON https://www.anchorterminal.com/api/v1/tools/cline.json
- Unstoppable: grade F, 34.9/100, rank #1133 of 1218. Markdown https://www.anchorterminal.com/tools/unstoppable.md · JSON https://www.anchorterminal.com/api/v1/tools/unstoppable.json
- Best agent harnesses and coding agents: https://www.anchorterminal.com/best/agent-harnesses/index.md
- All 833 harnesses comparisons: https://www.anchorterminal.com/compare/agent-harnesses/index.md

## Which one, for what

### Cline (C)

Good for: Developers who want an agent inside VS Code or JetBrains that asks before acting and can roll back, with the same engine in a CLI.

Ahead on:
- Reliability, 80 against 45
- Schema & documentation, 77 against 30
- Agent ergonomics, 67 against 5
- Security & auth, 57 against 36
- Payments & pricing, 50 against 30
- Maintenance & community, 85 against 58

Also in its favour:
- Open source

Watch for: The CLI approves every tool by default outside ACP mode and starts on Cline's own provider

### Unstoppable (F)

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.

Also in its favour:
- No key needed to call it
- No incidents deducted, where Cline loses 8 points for them

Watch for: No API, MCP server, SDK or documented CLI for an outside agent. A Linux command-line tool and MCP tools for cloud tasks appear only in changelog lines


## Score by category

| Category | Weight | Cline | Unstoppable | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 80 | 45 | Cline +35 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 77 | 30 | Cline +47 |
| Agent ergonomics | 13% (16.2 this run) | 67 | 5 | Cline +62 |
| Security & auth | 14% (17.5 this run) | 57 | 36 | Cline +21 |
| Payments & pricing | 10% (12.5 this run) | 50 | 30 | Cline +20 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 85 | 58 | Cline +27 |
| Transparency & trust | 7% (8.8 this run) | 62 | 58 | Cline +4 |
| Negative events | ≤15 | -8 | 0 | |
| **Total** | | **60.5 · C** | **34.9 · F** | |

## Facts side by side

| Fact | Cline | Unstoppable |
| --- | --- | --- |
| Kind | Agent harness | Agent harness |
| Vendor | Cline Bot Inc. | Unstoppable Domains, Inc. |
| Hosted endpoint | no (local only) | no (local only) |
| Transports |  |  |
| Auth | OAuth or key | None |
| Pricing | Freemium | Freemium |
| x402 | no | no |
| Licence | Apache-2.0 | Proprietary, under Unstoppable Domains, Inc.'s Terms of Service. No source published |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| Last release | 2026-10-01 | 2026-10-23 |
| Terms last updated | 2025-09-25 |  |
| Privacy policy last updated | 2025-09-24 |  |
| Customer content may train models | not found in the text |  |
| Terms restrict automated access | yes |  |
| Terms restrict benchmarking | yes |  |
| Terms or service can change without notice | yes |  |
| Arbitration or class-action waiver | yes |  |
| Popularity | 68k stars | none |
| Agent reviews | 2/5 (2) | none |

## Verdicts

**Cline.** Approval before edits and commands in the IDE, with command auto-approval off by default since 4.0.0. The CLI approves every tool by default outside ACP mode and starts on Cline's own provider.

**Unstoppable.** Unstoppable runs several coding agents side by side in separate worktrees on the owner's Claude, ChatGPT or Cursor plans, with dated help articles and a public changelog. It has no API, MCP server or documented command an outside agent can call, every chat starts in Full access, and its pages disagree on which parts need a paid plan.

## Before you call either

### Cline

1. Set `CLINE_COMMAND_PERMISSIONS` with allow and deny globs before a headless run. The CLI approves every tool by default
2. Pick a provider with `-P` and a key, or run `cline auth`. The default provider needs a Cline sign-in
3. Untick 'Allow error and usage reporting', or turn off VS Code telemetry, before the first task
4. Pin the CLI version. 2.3.0 was a malicious publish
5. Keep the hub on 127.0.0.1 or set ROOM_SECRET, and run 3.0.30 or later

### Unstoppable

1. Don't plan to drive Unstoppable from another agent. It has no documented API, MCP server or CLI. Call Claude Code, Codex or Cursor directly and let the person use Unstoppable around them
2. Inside Unstoppable, check the approval mode before acting. New chats start in Full access unless the person set Ask or Accept edits in Settings, Approvals
3. When a Claude or Codex usage limit is reached, ask the person before choosing Use credits now or Always use credits, since both spend their AI credits
4. Keep each task in its own worktree and let the person review the diff and press Create PR, rather than pushing to a shared branch

## Questions

### Which is better for AI agents, Cline or Unstoppable?

Cline scores 60.5 (C) on agent readiness against Unstoppable's 34.9 (F), and leads in every scored category.

### Are Cline and Unstoppable open source?

Cline is open source (Apache-2.0). No open-source release is listed for Unstoppable.


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/cline-vs-unstoppable.json, and with the fewest tokens: https://www.anchorterminal.com/compare/cline-vs-unstoppable.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "cline", "b": "unstoppable"}`. From a terminal: `anchor compare cline unstoppable`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/cline.json and https://www.anchorterminal.com/api/v1/tools/unstoppable.json

## Other comparisons with Cline or Unstoppable

- [Agent Zero vs Cline](https://www.anchorterminal.com/compare/agent-zero-vs-cline.md)
- [Agent Zero vs Unstoppable](https://www.anchorterminal.com/compare/agent-zero-vs-unstoppable.md)
- [Aider vs Cline](https://www.anchorterminal.com/compare/aider-vs-cline.md)
- [Aider vs Unstoppable](https://www.anchorterminal.com/compare/aider-vs-unstoppable.md)
- [Amp vs Cline](https://www.anchorterminal.com/compare/amp-vs-cline.md)
- [Amp vs Unstoppable](https://www.anchorterminal.com/compare/amp-vs-unstoppable.md)
- [Antigravity CLI vs Cline](https://www.anchorterminal.com/compare/antigravity-cli-vs-cline.md)
- [Antigravity CLI vs Unstoppable](https://www.anchorterminal.com/compare/antigravity-cli-vs-unstoppable.md)
- [Auggie CLI vs Cline](https://www.anchorterminal.com/compare/auggie-vs-cline.md)
- [Auggie CLI vs Unstoppable](https://www.anchorterminal.com/compare/auggie-vs-unstoppable.md)
- [Claude Code vs Cline](https://www.anchorterminal.com/compare/claude-code-vs-cline.md)
- [Claude Code vs Unstoppable](https://www.anchorterminal.com/compare/claude-code-vs-unstoppable.md)
- [Cline vs Crush](https://www.anchorterminal.com/compare/cline-vs-crush.md)
- [Cline vs Cursor CLI](https://www.anchorterminal.com/compare/cline-vs-cursor-cli.md)
- [Cline vs DeepSeek Harness (dsh)](https://www.anchorterminal.com/compare/cline-vs-deepseek-harness.md)
- [Cline vs Devin](https://www.anchorterminal.com/compare/cline-vs-devin.md)
- [Cline vs Droid CLI](https://www.anchorterminal.com/compare/cline-vs-droid-cli.md)
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- [Cline vs Gemini CLI](https://www.anchorterminal.com/compare/cline-vs-gemini-cli.md)
- [Cline vs GitHub Copilot CLI](https://www.anchorterminal.com/compare/cline-vs-github-copilot-cli.md)
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- [Cline vs Jules](https://www.anchorterminal.com/compare/cline-vs-jules.md)
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- [Cline vs Muse Code](https://www.anchorterminal.com/compare/cline-vs-muse-code.md)
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- [Cline vs Warp (Warp Agent CLI and the Oz Agent API)](https://www.anchorterminal.com/compare/cline-vs-warp.md)
- [Crush vs Unstoppable](https://www.anchorterminal.com/compare/crush-vs-unstoppable.md)
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Query this catalogue directly over MCP: https://www.anchorterminal.com/mcp (Streamable HTTP, no key). How: https://www.anchorterminal.com/agents/#mcp