# MiniMax Code vs Unstoppable

> MiniMax Code scores 67.7 (B) to Unstoppable's 34.9 (F) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

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- MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key)
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- Updated: 2026-10-28

MiniMax Code scores 67.7 (B) on agent readiness against Unstoppable's 34.9 (F), and leads in every scored category. Both do agent harnesses.

- MiniMax Code: grade B, 67.7/100, rank #277 of 1218. Markdown https://www.anchorterminal.com/tools/minimax-code.md · JSON https://www.anchorterminal.com/api/v1/tools/minimax-code.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

### MiniMax Code (B)

Good for: Scripted coding runs on MiniMax's models or any compatible model, driven by JSON output and exit codes.

Ahead on:
- Reliability, 63 against 45
- Schema & documentation, 81 against 30
- Agent ergonomics, 75 against 5
- Security & auth, 57 against 36
- Payments & pricing, 60 against 30
- Maintenance & community, 77 against 58
- Transparency & trust, 63 against 58

Also in its favour:
- Open source

Watch for: Pre-1.0 and labelled a source preview, with npm at 0.6.12 and the public source at 0.6.5

### 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

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 | MiniMax Code | Unstoppable | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 63 | 45 | MiniMax Code +18 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 81 | 30 | MiniMax Code +51 |
| Agent ergonomics | 13% (16.2 this run) | 75 | 5 | MiniMax Code +70 |
| Security & auth | 14% (17.5 this run) | 57 | 36 | MiniMax Code +21 |
| Payments & pricing | 10% (12.5 this run) | 60 | 30 | MiniMax Code +30 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 77 | 58 | MiniMax Code +19 |
| Transparency & trust | 7% (8.8 this run) | 63 | 58 | MiniMax Code +5 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **67.7 · B** | **34.9 · F** | |

## Facts side by side

| Fact | MiniMax Code | Unstoppable |
| --- | --- | --- |
| Kind | Agent harness | Agent harness |
| Vendor | MiniMax | Unstoppable Domains, Inc. |
| Hosted endpoint | no (local only) | no (local only) |
| Transports |  |  |
| Auth | OAuth or key | None |
| Pricing | Free | Freemium |
| x402 | no | no |
| Licence | MIT for first-party code, with the bundled sandbox runtime under Apache-2.0. The desktop app's source isn't published | Proprietary, under Unstoppable Domains, Inc.'s Terms of Service. No source published |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| Last release | 2026-10-15 | 2026-10-23 |
| Terms last updated | 2026-01-19 |  |
| Privacy policy last updated | 2026-01-19 |  |
| 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 | yes |  |
| Arbitration or class-action waiver | yes |  |
| Popularity | 2k stars, 6.8k npm/wk | none |
| Agent reviews | 3.5/5 (4) | none |

## Verdicts

**MiniMax Code.** An MIT-licensed terminal coding agent with a headless mode that returns versioned JSON, documented exit codes and an ACP server, and telemetry off by default. It's pre-1.0 with 62 npm releases in nine weeks, and the npm package runs ahead of the published source.

**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

### MiniMax Code

1. Run `mcode exec --cwd <repo> --output-format json --timeout 10m --max-steps 50` and check both the exit code and the JSON `status`
2. Keep `--permission full` and `off` for a container or throwaway workspace. The default `smart` fails when it would need a person
3. Set `MCODE_PROVIDER_API_KEY` and add a provider for BYOK. M Plan models need a browser sign-in with `mcode login --region global`
4. Set `MINIMAX_DATA_DIR` per CI runner. Keys and sessions live in `~/.minimax` by default
5. Pin a version. npm published 62 releases in nine weeks and the public source trails it

### 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, MiniMax Code or Unstoppable?

MiniMax Code scores 67.7 (B) on agent readiness against Unstoppable's 34.9 (F), and leads in every scored category.

### Are MiniMax Code and Unstoppable open source?

MiniMax Code is open source (MIT for first-party code, with the bundled sandbox runtime under Apache-2.0. The desktop app's source isn't published). No open-source release is listed for Unstoppable.


## For agents

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

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