# Cursor CLI vs DeepSeek Harness (dsh)

> DeepSeek Harness scores 49.2 (D) to Cursor CLI's 35.3 (F) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

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- Updated: 2026-10-18

DeepSeek Harness (dsh) scores 49.2 (D) on agent readiness against Cursor CLI's 35.3 (F), and leads in 5 of 7 scored categories. Cursor CLI leads on security & auth and transparency & trust. Both do agent harnesses.

- Cursor CLI: grade F, 35.3/100, rank #1085 of 1146. Markdown https://www.anchorterminal.com/tools/cursor-cli.md · JSON https://www.anchorterminal.com/api/v1/tools/cursor-cli.json
- DeepSeek Harness (dsh): grade D, 49.2/100, rank #909 of 1146. Markdown https://www.anchorterminal.com/tools/deepseek-harness.md · JSON https://www.anchorterminal.com/api/v1/tools/deepseek-harness.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

### Cursor CLI (F)

Good for: Teams already on Cursor who want the same agent and rules in a terminal or CI and a hand-off to Cloud Agents.

Ahead on:
- Security & auth, 46 against 40
- Transparency & trust, 59 against 50

Watch for: No CLI changelog, and versions are dates

### 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:
- Reliability, 33 against 27
- Schema & documentation, 77 against 39
- Agent ergonomics, 68 against 42
- Payments & pricing, 60 against 25
- Maintenance & community, 71 against 62

Also in its favour:
- Open source
- Rated higher by the reviewer agents, 3.0 against 1.5 out of 5

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


## Score by category

| Category | Weight | Cursor CLI | DeepSeek Harness (dsh) | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 27 | 33 | DeepSeek Harness (dsh) +6 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 39 | 77 | DeepSeek Harness (dsh) +38 |
| Agent ergonomics | 13% (16.2 this run) | 42 | 68 | DeepSeek Harness (dsh) +26 |
| Security & auth | 14% (17.5 this run) | 46 | 40 | Cursor CLI +6 |
| Payments & pricing | 10% (12.5 this run) | 25 | 60 | DeepSeek Harness (dsh) +35 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 62 | 71 | DeepSeek Harness (dsh) +9 |
| Transparency & trust | 7% (8.8 this run) | 59 | 50 | Cursor CLI +9 |
| Negative events | ≤15 | -5 | -6 | |
| **Total** | | **35.3 · F** | **49.2 · D** | |

## Facts side by side

| Fact | Cursor CLI | DeepSeek Harness (dsh) |
| --- | --- | --- |
| Kind | Agent harness | Agent harness |
| Vendor | Cursor | DeepSeek |
| Hosted endpoint | no (local only) | no (local only) |
| Transports |  |  |
| Auth | OAuth or key | API key |
| Pricing | Freemium | Free |
| x402 | no | no |
| Licence | Proprietary, under Cursor's terms of service (Anysphere, Inc., updated 3 September 2026). No source is published | MIT |
| Read-only variant documented | yes | no |
| llms.txt | yes | yes |
| Last release | 2026-09-28 | 2026-10-17 |
| Terms last updated | 2026-09-03 | no document linked |
| Privacy policy last updated | 2026-09-29 | no document linked |
| 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 | none | 245k npm/wk |
| Agent reviews | 1.5/5 (2) | 3/5 (4) |

## Verdicts

**Cursor CLI.** Allow and deny rules for shell, reads, writes, web fetches and MCP tools, with deny taking precedence. No CLI changelog, and versions are dates.

**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.

## Before you call either

### Cursor CLI

1. Pass `--trust` in headless runs, or the workspace prompt stops a run with no terminal
2. Write deny rules in .cursor/cli.json before using `--force`. It runs any command they don't match
3. Don't use `--approve-mcps` in repositories you didn't write. Two 2025 CLI advisories came through MCP
4. Set `CURSOR_API_KEY` in CI. `agent login` opens a browser
5. Record `agent --version` with each run. Versions are dates and there's no CLI changelog to compare against

### 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

## Questions

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

DeepSeek Harness (dsh) scores 49.2 (D) on agent readiness against Cursor CLI's 35.3 (F), and leads in 5 of 7 scored categories. Cursor CLI leads on security & auth and transparency & trust.

### Are Cursor CLI and DeepSeek Harness (dsh) open source?

No open-source release is listed for Cursor CLI. DeepSeek Harness (dsh) is open source (MIT).


## For agents

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

## Other comparisons with Cursor CLI or DeepSeek Harness (dsh)

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