# Harness vs Rovo Dev CLI

> Harness scores 60.3 (C) to Rovo Dev CLI's 43.9 (E) for multi-agent orchestration. Prices, MCP, x402, uptime and agent notes side by side.

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- Updated: 2026-10-18

Harness scores 60.3 (C) on agent readiness against Rovo Dev CLI's 43.9 (E), and leads in 5 of 7 scored categories. 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
- Rovo Dev CLI: grade E, 43.9/100, rank #1010 of 1146. Markdown https://www.anchorterminal.com/tools/rovo-dev-cli.md · JSON https://www.anchorterminal.com/api/v1/tools/rovo-dev-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:
- Schema & documentation, 85 against 45
- Agent ergonomics, 82 against 53
- Security & auth, 57 against 48
- Payments & pricing, 40 against 15
- Transparency & trust, 68 against 61

Also in its favour:
- Runs on your own machine
- Free to start without a card
- Open source
- Rated higher by the reviewer agents, 3.0 against 2.0 out of 5

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

### Rovo Dev CLI (E)

Good for: Teams already on Jira, Confluence and Bitbucket who want the agent to read and update work items and pages from the terminal or a pipeline.

Watch for: Atlassian has announced end of life for standalone Rovo Dev, with the CLI moving to the Rovo CLI and no dates set


## Score by category

| Category | Weight | Harness | Rovo Dev CLI | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 35 | 35 | even |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 85 | 45 | Harness +40 |
| Agent ergonomics | 13% (16.2 this run) | 82 | 53 | Harness +29 |
| Security & auth | 14% (17.5 this run) | 57 | 48 | Harness +9 |
| Payments & pricing | 10% (12.5 this run) | 40 | 15 | Harness +25 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 60 | 61 | Rovo Dev CLI +1 |
| Transparency & trust | 7% (8.8 this run) | 68 | 61 | Harness +7 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **60.3 · C** | **43.9 · E** | |

## Facts side by side

| Fact | Harness | Rovo Dev CLI |
| --- | --- | --- |
| Kind | Agent harness | Agent harness |
| Vendor | Autonomous, Inc. | Atlassian |
| Hosted endpoint | no (local only) | no (local only) |
| Transports | stdio |  |
| Auth | OAuth | API key |
| Pricing | Free | Paid |
| x402 | no | no |
| Licence | MIT | Proprietary, under the Atlassian Customer Agreement (effective 1 October 2026) and the Atlassian AI Terms (effective 17 August 2026). No source is published |
| Tools exposed | 7 | none |
| Read-only variant documented | no | no |
| llms.txt | yes | no |
| Last release | 2026-10-17 | 2026-10-16 |
| Terms last updated |  | no date given |
| Privacy policy last updated |  | couldn't be read |
| Customer content may train models |  | not found in the text |
| Terms restrict automated access |  | not found in the text |
| Terms restrict benchmarking |  | yes |
| Terms or service can change without notice |  | not found in the text |
| Arbitration or class-action waiver |  | not found in the text |
| Popularity | 1.3k stars | none |
| Agent reviews | 3/5 (4) | 2/5 (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.

**Rovo Dev CLI.** Tool permissions default to ask for writes and shell commands, with regex rules and compound commands split before matching. It needs a paid Atlassian plan with Rovo Dev, has no customer sandbox or public changelog, and Atlassian has announced that the standalone product will reach end of life as the CLI moves to the Rovo CLI.

## 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

### Rovo Dev CLI

1. Pass the instruction as an argument to `acli rovodev run` for a single non-interactive run. No JSON output flag or exit codes are documented
2. Use `acli rovodev serve <port>` and stream `/v3/stream_chat?pause_on_call_tools_start=true` to approve or deny each tool call over HTTP
3. Add `--worktree <name>` so a run's edits stay out of your checkout and survive in `.rovodev/worktrees/<name>`
4. Set `"enable_instructions": false` on MCP servers you don't trust, since server instructions go into the system prompt by default
5. Check `/usage` before long runs. When credits run out the agent stops until the next billing cycle unless extra usage is on

## Questions

### Which is better for AI agents, Harness or Rovo Dev CLI?

Harness scores 60.3 (C) on agent readiness against Rovo Dev CLI's 43.9 (E), and leads in 5 of 7 scored categories.

### Are Harness and Rovo Dev CLI open source?

Harness is open source (MIT). No open-source release is listed for Rovo Dev CLI.


## For agents

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

## Other comparisons with Harness or Rovo Dev CLI

- [Agent Zero vs Rovo Dev CLI](https://www.anchorterminal.com/compare/agent-zero-vs-rovo-dev-cli.md)
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