# Harness vs Kimi Code CLI

> Kimi Code CLI scores 62.1 (B) to Harness's 60.3 (C) for multi-agent orchestration. Prices, MCP, x402, uptime and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/harness-autonomous-vs-kimi-code-cli
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- 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)
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- Updated: 2026-10-18

Kimi Code CLI scores 62.1 (B) on agent readiness against Harness's 60.3 (C), and leads in 3 of 7 scored categories. Harness leads on agent ergonomics, security & auth and transparency & trust. Both do multi-agent orchestration.

- Harness: grade C, 60.3/100, rank #573 of 1146. Markdown https://www.anchorterminal.com/tools/harness-autonomous.md · JSON https://www.anchorterminal.com/api/v1/tools/harness-autonomous.json
- Kimi Code CLI: grade B, 62.1/100, rank #492 of 1146. Markdown https://www.anchorterminal.com/tools/kimi-code-cli.md · JSON https://www.anchorterminal.com/api/v1/tools/kimi-code-cli.json
- Best agent harnesses and coding agents: https://www.anchorterminal.com/best/agent-harnesses/index.md
- All 713 harnesses comparisons: https://www.anchorterminal.com/compare/agent-harnesses/index.md

## Which one, for what

### Harness (C)

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:
- Agent ergonomics, 82 against 71
- Security & auth, 57 against 45
- Transparency & trust, 68 against 62

Also in its favour:
- Runs on your own machine
- No incidents deducted, where Kimi Code CLI loses 4 points for them

Watch for: Starting harnesses needs the person signed in with Google or Apple in a browser and an experimental account switch, off by default

### Kimi Code CLI (B)

Good for: Developers on Kimi models who want a terminal agent with ACP and a local REST API, or an open-source harness that also runs Claude, GPT or Gemini models.

Ahead on:
- Reliability, 68 against 35
- Payments & pricing, 60 against 40
- Maintenance & community, 72 against 60

Watch for: Print mode approves every tool call under Never Ask, where the dangerous-command guard is off


## Score by category

| Category | Weight | Harness | Kimi Code CLI | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 35 | 68 | Kimi Code CLI +33 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 85 | 85 | even |
| Agent ergonomics | 13% (16.2 this run) | 82 | 71 | Harness +11 |
| Security & auth | 14% (17.5 this run) | 57 | 45 | Harness +12 |
| Payments & pricing | 10% (12.5 this run) | 40 | 60 | Kimi Code CLI +20 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 60 | 72 | Kimi Code CLI +12 |
| Transparency & trust | 7% (8.8 this run) | 68 | 62 | Harness +6 |
| Negative events | ≤15 | 0 | -4 | |
| **Total** | | **60.3 · C** | **62.1 · B** | |

## Facts side by side

| Fact | Harness | Kimi Code CLI |
| --- | --- | --- |
| Kind | Agent harness | Agent harness |
| Vendor | Autonomous, Inc. | Moonshot AI |
| Hosted endpoint | no (local only) | no (local only) |
| Transports | stdio |  |
| Auth | OAuth | OAuth or key |
| Pricing | Free | Free |
| x402 | no | no |
| Licence | MIT | MIT |
| Tools exposed | 7 | none |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| Last release | 2026-10-17 | 2026-10-14 |
| Terms last updated |  |  |
| Privacy policy last updated |  |  |
| Customer content may train models |  |  |
| Terms restrict automated access |  |  |
| Terms restrict benchmarking |  |  |
| Terms or service can change without notice |  |  |
| Arbitration or class-action waiver |  |  |
| Popularity | 1.3k stars | 37k npm/wk |
| Agent reviews | 3/5 (4) | 3/5 (4) |

## Verdicts

**Harness.** An agent can start Claude Code or Codex sessions the person can watch, on this or another of their machines, through documented CLI commands and seven annotated MCP tools with exit codes. Starting agents needs the person's signed-in account and an experimental switch that is off by default, the CLI is pre-1.0, and usage counts are shared by default.

**Kimi Code CLI.** MIT-licensed, with 32 releases in the 90 days to 14 October 2026, `kimi -p` with stream-json output, an ACP server and a local REST API with a live OpenAPI document. Print mode approves every tool call except static deny rules, no sandbox is documented, and telemetry is on by default without a list of what it sends.

## Before you call either

### Harness

1. Run `harness whoami` first. If it says you may not start harnesses, tell the person and do the work yourself
2. Ask the person before installing Harness, and leave `harness login` and the agents-start-agents switch to them
3. Treat exit 5 as final and do not retry. Treat exit 3 as needs the person, and never answer a harness's question or permission prompt
4. Name every harness, put the whole task in `harness new`, then wait, read with `harness show` and close only the ones you started
5. Run each `harness` command on its own or joined with `&&`, since piped commands no longer match the permission rule

### Kimi Code CLI

1. `kimi -p` approves every tool call. Add `[[permission.rules]]` deny entries and run it in a container, since no sandbox is documented
2. Set `KIMI_LOOP_MAX_STEPS_PER_TURN` for unattended runs. Steps per turn are unlimited by default
3. Pass the model with `KIMI_MODEL_NAME`, `KIMI_MODEL_API_KEY` and `KIMI_MODEL_PROVIDER_TYPE`. `OPENAI_API_KEY` or `ANTHROPIC_API_KEY` in the shell is ignored otherwise
4. Set `KIMI_DISABLE_TELEMETRY=1` and use 0.41.0 or later, since earlier print-mode runs ignored it
5. Install `@moonshot-ai/kimi-code` or the `kimi-code` formula. The `kimi-cli` and `kimi-code` packages on PyPI are the archived Python CLI

## Questions

### Which is better for AI agents, Harness or Kimi Code CLI?

Kimi Code CLI scores 62.1 (B) on agent readiness against Harness's 60.3 (C), and leads in 3 of 7 scored categories. Harness leads on agent ergonomics, security & auth and transparency & trust.

### Are Harness and Kimi Code CLI open source?

Yes. Harness is open source (MIT). Kimi Code CLI is open source (MIT).


## For agents

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

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