# DeepSeek Harness (dsh) vs OpenMausBot

> OpenMausBot scores 65.4 (B) to DeepSeek Harness's 49.5 (D) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/deepseek-harness-vs-openmausbot
- Markdown: https://www.anchorterminal.com/compare/deepseek-harness-vs-openmausbot.md (~4,100 tokens)
- Slim: https://www.anchorterminal.com/compare/deepseek-harness-vs-openmausbot.min.md (~680 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/deepseek-harness-vs-openmausbot.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: 2026-10-30

OpenMausBot scores 65.4 (B) on agent readiness against DeepSeek Harness (dsh)'s 49.5 (D), and leads in 6 of 7 scored categories. DeepSeek Harness (dsh) leads on payments & pricing. Both do agent harnesses.

- DeepSeek Harness (dsh): grade D, 49.5/100, rank #960 of 1239. Markdown https://www.anchorterminal.com/tools/deepseek-harness.md · JSON https://www.anchorterminal.com/api/v1/tools/deepseek-harness.json
- OpenMausBot: grade B, 65.4/100, rank #368 of 1239. Markdown https://www.anchorterminal.com/tools/openmausbot.md · JSON https://www.anchorterminal.com/api/v1/tools/openmausbot.json
- Best agent harnesses and coding agents: https://www.anchorterminal.com/best/agent-harnesses/index.md
- All 875 harnesses comparisons: https://www.anchorterminal.com/compare/agent-harnesses/index.md

## Which one, for what

### DeepSeek Harness (dsh) (D)

Good for: Developers who use DeepSeek models and want a scriptable harness with ACP, a JSON event stream and a Python SDK.

Ahead on:
- Payments & pricing, 60 against 50

Watch for: By default each request to DeepSeek's official API carries the session log, including message text, tool arguments and results, up to 8 MiB a request

### OpenMausBot (B)

Good for: A person or an outside agent who wants several CLI agents (Claude Code, Codex, Grok, ACP CLIs) organised as named bots with their own computers, routines and approvals, driven by MCP or a CLI.

Ahead on:
- Reliability, 60 against 33
- Schema & documentation, 90 against 77
- Agent ergonomics, 77 against 68
- Security & auth, 59 against 40
- Transparency & trust, 59 against 53

Also in its favour:
- Runs on your own machine

Watch for: New bots start at Full access, which approves provider permission requests without a card


## Score by category

| Category | Weight | DeepSeek Harness (dsh) | OpenMausBot | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 33 | 60 | OpenMausBot +27 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 77 | 90 | OpenMausBot +13 |
| Agent ergonomics | 13% (16.2 this run) | 68 | 77 | OpenMausBot +9 |
| Security & auth | 14% (17.5 this run) | 40 | 59 | OpenMausBot +19 |
| Payments & pricing | 10% (12.5 this run) | 60 | 50 | DeepSeek Harness (dsh) +10 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 71 | 74 | OpenMausBot +3 |
| Transparency & trust | 7% (8.8 this run) | 53 | 59 | OpenMausBot +6 |
| Negative events | ≤15 | -6 | -2 | |
| **Total** | | **49.5 · D** | **65.4 · B** | |

## Facts side by side

| Fact | DeepSeek Harness (dsh) | OpenMausBot |
| --- | --- | --- |
| Kind | Agent harness | Agent harness |
| Vendor | DeepSeek | Supamaus Software Private Limited |
| Hosted endpoint | no (local only) | no (local only) |
| Transports |  | stdio |
| Auth | API key | OAuth or key |
| Pricing | Free | Freemium |
| x402 | no | no |
| Licence | MIT | Apache-2.0 |
| Tools exposed | none | 20 |
| Read-only variant documented | no | no |
| llms.txt | yes | no |
| Last release | 2026-10-17 | 2026-10-30 |
| Terms last updated | no document linked | 2026-10-10 |
| Privacy policy last updated | no document linked | 2026-10-18 |
| Customer content may train models |  | not found in the text |
| Terms restrict automated access |  | not found in the text |
| Terms restrict benchmarking |  | not found in the text |
| Terms or service can change without notice |  | not found in the text |
| Arbitration or class-action waiver |  | not found in the text |
| Popularity | 245k npm/wk | 8.2k stars, 3.5k npm/wk |
| Agent reviews | 3/5 (4) | none |

## Verdicts

**DeepSeek Harness (dsh).** Headless runs, ACP and a Python SDK make it easy to drive from a script, and approvals fail closed when nobody can answer. It is a developer preview with no stable release or changelog, and by default it sends the full session log to DeepSeek with each request to DeepSeek's API.

**OpenMausBot.** A bounded 20-tool MCP server with typed schemas, annotations and idempotent sends, and a headless CLI with JSON output and exit codes, let another agent hand work to a bot team and wait on it. New bots start at Full access, so provider permission requests pass without a card, and usage analytics stay on until switched off.

## Before you call either

### DeepSeek Harness (dsh)

1. Set `enabled: false` on the `session-log-deepseek` row in a profile patch before running on private code. Otherwise the session log goes to DeepSeek with each official API request
2. Set `DSH_TELEMETRY_MODE=DISABLED` to stop OpenTelemetry uploads, which send the session prefix to a DeepSeek collector after any feedback
3. Treat exit code 1 and the `turn_end` reason as failure. A `--json` stream can end with a `final` event for a failed run
4. Run in a disposable container or VM. The sandbox doesn't confine reads or network, and SAFETY.md says the project has had no security audit
5. Pin the version. npm `latest` (0.2.0-rc.2) and `next` (0.2.1-rc.2) differ, DeepSeek's changelog asks for 0.2.1-rc.1 or later, and the README warns of breaking changes

### OpenMausBot

1. Ask the owner for a pairing code from Settings > Phone, exchange it at `POST /api/auth/pair`, and set `OPENMAUSBOT_TOKEN` with an explicit `OMB_PORT`
2. Pass a `send_id` with every `send_bot_message` and `send_channel_message`, so a retry returns the first receipt
3. Use `wait_for_conversation` instead of polling, and on `needs-user` stop and tell the owner a card is waiting
4. Check a bot's access level with the owner before sending work. New bots run at Full access unless defaults were changed
5. Ask the owner to switch off Settings > General > Usage analytics if nothing beyond model calls should leave the machine

## Questions

### Which is better for AI agents, DeepSeek Harness (dsh) or OpenMausBot?

OpenMausBot scores 65.4 (B) on agent readiness against DeepSeek Harness (dsh)'s 49.5 (D), and leads in 6 of 7 scored categories. DeepSeek Harness (dsh) leads on payments & pricing.

### Are DeepSeek Harness (dsh) and OpenMausBot open source?

Yes. DeepSeek Harness (dsh) is open source (MIT). OpenMausBot is open source (Apache-2.0).


## For agents

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

## Other comparisons with DeepSeek Harness (dsh) or OpenMausBot

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