HAR
PulseGate's liveness check found it on 8 Oct 2026; it is registered on GitHub and has been in the index since 15 Aug 2026. How this is checked
HAR is an open-source CLI harness for coordinating fleets of coding agents across isolated worktrees, ports, and environments. It runs deterministic validation checks and records logs, artifacts, and verified tree hashes for developers managing multi-agent workflows.
Inferred · not functionally tested
Overview
6 featuresPurpose: Coordinating multiple coding agents safely while verifying their changes and preserving an auditable evidence trail.
Inferred · not functionally tested
Audience: software developers managing coding-agent fleets
Inferred · not functionally tested
Functions: agents, monitoring
Inferred · not functionally tested
Interfaces: API: unknown · MCP: indicated (inferred, not tested) · CLI: indicated (inferred, not tested) · Self-hosting: indicated (inferred, not tested)
Recorded constraints: pricing: open_source · license: Open Source · platforms: CLI · deployment: cli, self_hosted
Constraint provenance is unknown; confirm requirements with the publisher.
Record sources: harproject.dev · github.com. These links do not verify the individual claims.
In the Multi-agent & orchestration space, HAR takes a focused approach. Inferred · not functionally tested: It focuses on coordinating multiple coding agents safely while verifying their changes and preserving an auditable evidence trail. Inferred · not functionally tested: HAR is an open-source project aimed at software developers managing coding-agent fleets. Basis unknown · not verified: HAR is open source under the Open Source license. Basis unknown · not verified: It ships for the command line, and it can be self-hosted.
OS Factory builds and maintains HAR, and it first shipped in 2026. Development happens publicly on GitHub with 66 stars and 273 commits in the last 90 days. Inferred · not functionally tested: Among its 6 catalogued features are isolated worktrees, dedicated ports, and deterministic checks. Basis unknown · not verified: Catalogued interfaces include an MCP server.
Summary written by a language model from the project’s public pages.
Tasks: Inferred · not functionally tested
- Isolated worktrees
- Dedicated ports
- Deterministic checks
- Validation gates
- Evidence trails
- Tree hash verification
Topics: Inferred · not functionally tested
Built with & integrations
- Astro
- astro-island in the HTML · /_astro/ in the HTML
Trust & compliance
Indexing history
1What PulseGate has recorded for this listing
- Indexed15 Aug · 20:19 UTCos-factory/har seen via GitHub Search (Smart)Source: GitHub Search (Smart) · Open
Frequently asked questions about HAR
- What is HAR?
- Inferred · not functionally tested: HAR focuses on coordinating multiple coding agents safely while verifying their changes and preserving an auditable evidence trail. It is catalogued under Multi-agent & orchestration on PulseGate.
- Who is HAR for?
- Inferred · not functionally tested: HAR is an open-source project built for software developers managing coding-agent fleets.
- Does HAR have a free plan?
- Basis unknown · not verified: Yes — HAR is open source under the Open Source license and free to use.
- What platforms does HAR run on?
- Basis unknown · not verified: HAR runs on the command line. It can also be self-hosted.
- Is HAR still active?
- PulseGate's liveness check found it on 8 Oct 2026. Its GitHub repository shows 273 commits in the last 90 days.
- What are alternatives to HAR?
- Similar projects tracked by PulseGate include Harness CLI, Harper, and HaaS.Harness CLIHarperHaaS
- Who makes HAR?
- HAR is developed by OS Factory.
- When did HAR launch?
- HAR first shipped in 2026.
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