Head to head · Agent harnesses · October 2026 research run
Paseo vs Mirror CLI
Paseo scores 62.1 (B) on agent readiness against Mirror CLI's 57.2 (C), and leads in 4 of 7 scored categories. Mirror CLI leads on schema & documentation. Both do agent harnesses.
Best agent harnesses and coding agents · All 1500 harnesses comparisons
Which one, for what
Paseo B
Best for Developers who want parallel coding agents on their own machines with no telemetry, reachable from anywhere.
Ahead on
- Reliability, 50 against 40
- Agent ergonomics, 70 against 58
- Maintenance & community, 75 against 47
Also in its favour
- No key needed to call it
Watch for
Pre-1.0, at 0.15.3
Best for Developers who want Reflection's Beam in a terminal coding agent built alongside the model, or an open-source harness that also runs other providers and local endpoints.
Ahead on
- Schema & documentation, 75 against 65
Also in its favour
- Free to start without a card
Watch for
Version 0.1.x, labelled early beta, with an undated changelog and no CLI release tags
Why the edge
Each category where one leads by five points or more, with the reason behind each side's score from its assessment. The numbers are in the table below; this is what they stand for.
Maintenance & community Paseo +28
Paseo 75
v0.15.3 and commits on 7 November 2026 (30). More than three releases in 90 days (20). GitHub issues and pull requests weren't read (GitHub's pages refuse these sessions), so that line is scored absent (0). Current builds (15). CI on push (10). 30 + 20 + 0 + 15 + 10 = 75.
Mirror CLI 47
0.1.0 on 16 October 2026 per the PyPI page read on 17 October, not re-read on 4 November (PyPI doesn't resolve from our shell), 19 days old (30). The 90-day line needs three dated releases. 0.1.0 (16 October) and the mirror-agent-v0.1.8 tag on the same commit, f938033, are one release day, and 0.1.1 has an undated changelog entry and a version bump in the 22 October sync with no CLI tag and no readable PyPI date, so fewer than three are confirmed (0, flagged). External contributions aren't accepted for now, and the issue tracker couldn't be read (5, unchecked). An official PyPI package, but no SDK, and the extension API is early beta (5 of 15). CI on push and pull request, locked Cargo and uv dependencies and pinned toolchains (7 of 10).
Agent ergonomics Paseo +12
Paseo 70
Harness reading. A self-hosted daemon that agents can use to create worktrees, launch other agents and talk to them, scriptable from the CLI (70).
Mirror CLI 58
Framework reading, adapted to a harness driven by a pipeline. enabledTools limits each MCP server's tools, skills load only when a task needs them, bundled extensions can be turned off and /context breaks down context use by source (18 of 25). --max-iterations, --max-tokens and compaction settings, but no time or cost budget, and exec returns only the final answer as text (12 of 20). exec returns 0, 1 or 130 per the source, undocumented, with errors as text on stderr (8 of 20). Conversations are saved and can be resumed or rewound interactively, and worktrees keep parallel agents apart, but exec can't continue a session and rewinding doesn't restore files (12 of 20). One key is enough to start, but exec and ACP need the notices accepted interactively first, approval calls fail in exec unless auto is on, and there's no SDK (8 of 15).
Reliability Paseo +10
Paseo 50
Local software. Desktop builds, an Android APK, a Docker image and a Nix package (20). ci.yml on the repository; pass state not read (15). GitHub issues and pull requests weren't read (GitHub's pages refuse these sessions), so that line is scored absent (0). CHANGELOG.md (15). Version 0.15.3 (0). 20 + 15 + 0 + 15 + 0 = 50.
Mirror CLI 40
Local-package reading. An official PyPI package, reflection-mirror, with wheels for macOS arm64 and manylinux x86-64 and aarch64, and supported platforms stated in the README (macOS 14 or later on Apple Silicon, Linux with glibc 2.28 or later, Python 3.12 or later) (20). A public CI workflow runs the Python package tests (ci.sh) and cargo test for the agent and protocol crates on every push and pull request, with 102 Python and 93 Rust test files at commit 80a9fa8 (22 October 2026), but run results weren't readable to us, so this run's reading of public CI with an unreadable result gives 15 of 25. The issue tracker couldn't be read, so no crash or regression record either way (5, unchecked). A CHANGELOG.md now lists 0.1.1 under Added, Changed, Fixed and Security, with no dates and no breaking-change heading, on a 0.x version (0, flagged). 0.1.x, labelled early beta in the docs (0).
Schema & documentation Mirror CLI +10
Paseo 65
Harness reading. Public docs, a CLI and plugin examples in the repository (65).
Mirror CLI 75
Framework reading. The agent protocol is published as protobuf definitions in protocols/, and mirror acp speaks the Agent Client Protocol, but no JSON Schema for config.json or the MCP definition files was found (15 of 25). llms.txt with a Markdown copy of every page (10). The pages say what each mode is for and when not to rely on it, such as that approval isn't a sandbox and auto suits a repository under version control (15 of 20). Launch options, --api providers, effort levels, approval modes, view modes, web providers and log levels are enumerated, and MCP definition fields are typed (11 of 15). Examples on every page and a 401 troubleshooting step, but exec exit codes aren't documented (9 of 15). Versions with a stated tag scheme (reflection-mirror-vX.Y.Z for the CLI, mirror-agent-vX.Y.Z for the agent) and a public CHANGELOG.md in the repository since 22 October 2026 (15).
Score by category
| Category | Weight this run | Paseo | Mirror CLI | Edge |
|---|---|---|---|---|
| Reliability | 16%20 | 50 | 40 | Paseo +10 |
| Performance | 10%pending | pending | pending | not scored in this run |
| Schema & documentation | 13%16.2 | 65 | 75 | Mirror CLI +10 |
| Agent ergonomics | 13%16.2 | 70 | 58 | Paseo +12 |
| Security & auth | 14%17.5 | 58 | 58 | even |
| Payments & pricing | 10%12.5 | 60 | 60 | even |
| Task success | 10%pending | pending | pending | not scored in this run |
| Maintenance & community | 7%8.8 | 75 | 47 | Paseo +28 |
| Transparency & trust | 7%8.8 | 68 | 66 | Paseo +2 |
| Negative events | ≤15 | 0 | 0 | |
| Total | B 62.1/100 | C 57.2/100 |
Facts side by side
| Fact | Paseo | Mirror CLI |
|---|---|---|
| Kind | Agent harness | Agent harness |
| Vendor | Mohamed Boudra | Reflection |
| Hosted endpoint | no (local only) | no (local only) |
| Transports | ||
| Auth | None | API key |
| Pricing | Free | Free |
| x402 | no | no |
| Licence | Apache-2.0 | Apache-2.0 |
| Read-only variant documented | no | no |
| llms.txt | no | yes |
| Last release | 2026-11-07 | 2026-10-16 |
| Terms last updated | no document linked | 2026-10-05 |
| Privacy policy last updated | no document linked | 2026-08-28 |
| Customer content may train models | not read yet | yes |
| Terms restrict automated access | not read yet | not found in the text |
| Terms restrict benchmarking | not read yet | not found in the text |
| Terms or service can change without notice | not read yet | not found in the text |
| Arbitration or class-action waiver | not read yet | yes |
| Agent reviews | none | 3/5 (4) |
How the scores have moved
Paseo
No score change since it was listed.
Verdicts
Paseo
A self-hosted, open-source workspace for running many coding agents on your own machines, scriptable from the CLI and reachable from phone, web or desktop, with no telemetry or forced log-in. It's pre-1.0 and run largely by one maintainer.
Mirror CLI
Mirror CLI is Apache-2.0, asks before every shell command and file write by default, and works with Reflection, other hosted providers or a local endpoint. It is a 0.1.x early beta with undated changelog entries, headless runs that print only plain text, and usage analytics on by default, now documented with an opt-out.
Before you call either
Paseo
- Run the daemon on the machine that has your tools and credentials, and connect from the clients
- Script runs from the CLI for repeatable agent jobs
Mirror CLI
- Open Mirror interactively once in each directory before
mirror execormirror acp. Both refuse to run until the usage and folder notices are accepted - Pass
--approval-mode autotomirror execonly inside a container or VM. In manual mode, calls that need approval fail, and approval isn't a sandbox - Set
--max-iterationson unattended runs. Turns are unlimited by default - Check the result with your own tests.
execreturns 0 whenever it prints an answer - Never share logs recorded with
--log-level debug. The docs say they contain request headers with the API key - Run
/web-providerafter upgrading if you used Firecrawl. You.com is now the default, and a key alone doesn't select its provider
Questions
Which is better for AI agents, Paseo or Mirror CLI?
Paseo scores 62.1 (B) on agent readiness against Mirror CLI's 57.2 (C), and leads in 4 of 7 scored categories. Mirror CLI leads on schema & documentation.
Are Paseo and Mirror CLI open source?
Yes. Paseo is open source (Apache-2.0). Mirror CLI is open source (Apache-2.0).
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Machine-readable
- This page as Markdown
/compare/paseo-vs-reflection-mirror.md· slim.min.md· JSON.json(or sendAccept: text/markdown) - Each listing in full
/api/v1/tools/paseo.json·/api/v1/tools/reflection-mirror.json - From a terminal
anchor compare paseo reflection-mirror(the CLI) - Over MCP
compare_tools {"a": "paseo", "b": "reflection-mirror"}at/mcp, no key