open-cowork

Name: open-cowork Review
Item: open-cowork
Rating: 3.0
Author: Aaron Matthews

Skill Development Usable

Works inClaude Code

Usable Scanned — metadata only

Reduces vendor lock-in and licensing costs by enabling teams to run collaborative AI coding workflows on-premises or with their own cloud infrastructure whil…

Open-source alternative to Claude Co-Work built by Claude Mythos 5. with BYOK

Automate code reviews and testing across multiple project repositories simultaneously.
Generate boilerplate code and documentation for new microservices without manual setup.
Find and fix security vulnerabilities in existing codebases using collaborative analysis.

122 starsMIT (commercial OK)FreeQuick setup

Usable rating — This tool is functional but has notable gaps. Review the evaluation notes below before deploying.

Why it matters

Reduces vendor lock-in and licensing costs by enabling teams to run collaborative AI coding workflows on-premises or with their own cloud infrastructure while maintaining feature parity with commercial alternatives.

Best for

Engineering teams seeking cost-effective, self-hosted AI-assisted development without third-party service dependencies.

Works in

Claude Code Claude Cowork Claude Chat

Source

https://github.com/coasty-ai/open-cowork

By coasty-ai

How to Get It

Option 1: Claude Desktop App (Code Mode)Click the + button next to the prompt box → Plugins → Add plugin. Search and click Install. Skills work in Claude Code only.

Option 2: Paste into Claude CodeCopy the command below and paste it into your conversation. Claude will install it.

Command

claude plugins install coasty-ai/open-cowork

Tip: Paste this into a Claude Code conversation. Verify command matches your Claude Code version.

Auto-generated from the tool's public listing — not hands-on verified. Cross-check against the source repo's README before running.

First thing to try

After installing, paste this into Claude:

Help me automate code reviews and testing across multiple project repositories simultaneously

CostFree

Trust Signals Auto-scanned

Stars122Last updated2026-07-29LicenseMIT (OK for commercial use)Known CVEsNone foundSources: GitHub Advisory Database + OSV.dev · Scanned 2026-07-29 · scanner v1

Community Pulse New

No community discussions found yet. This doesn't mean the tool isn't good — it may be new or serve a niche use case.

Reviewer notes

Auto-scanned review. These are observations, not a security certification.

Scored from trust signals (evidence-eval-v1): 122 GitHub stars; contributors unknown; last commit 0d ago; license MIT.

Things to check

Scanned, not hands-on tested — this entry was auto-scanned from public metadata (GitHub metrics, license, security flags). No reviewer has run it, and no tool-specific limitations have been documented yet.

How to evaluate tools before deploying →

Data shown here comes from public APIs and automated scanning. Reviewer notes reflect one person's experience. This is not a security certification or legal recommendation. Always evaluate tools according to your own organization's policies.

Evaluation Scores

Evaluation

Ease of Use

3/5

Versatility

3/5

Reliability

3/5

Security

3/5

Overall score3.00 / 5.00 UsableEvaluatedJul 2026

Scored from trust signals (evidence-eval-v1): 122 GitHub stars; contributors unknown; last commit 0d ago; license MIT.

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