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Updated 7mo ago

by Array-Ventures

coworker

Open-source AI agent with MCP UI, app builder, A2A protocol, skills marketplace, and multi-provider chat. Built with Mastra. Alternative to OpenClaw.

Works with
  • Claude
  • OpenCode
View on GitHub (opens in a new tab)

43 GitHub stars (43)

Steady at 43 stars — no new stars in the 16 days since Sep 30.

  • 2 skills (2 skills found in its SKILL.md files)
  • 16 forks (16 forks)
  • 7mo ago last update (Last updated 7mo ago)

Install

Skills CLI

npx skills add Array-Ventures/coworker

Asks which skills and agents to install. Just one: npx skills add Array-Ventures/coworker --skill mastra — add -g for every project.

Claude Code

git clone https://github.com/Array-Ventures/coworkercp -r "coworker/.agents/skills/mastra" ~/.claude/skills/

Copies the mastra skill into ~/.claude/skills/ for every project (use .claude/skills/ for one project). Repeat for the other skills listed below.

Plugin

/plugin marketplace add Array-Ventures/coworker

Run inside Claude Code if the repository ships a plugin marketplace, then pick plugins from /plugin.

Skills can run code on your machine — read the SKILL.md first.

What it does

In the author's own words, from each skill's SKILL.md.

  • mastra

    Comprehensive Mastra framework guide. Teaches how to find current documentation, verify API signatures, and build agents and workflows. Covers documentation lookup strategies (embedded docs, remote docs), core concepts (agents vs workflows, tools, memory, RAG), TypeScript requirements, and common patterns. Use this skill for all Mastra development to ensure you're using current APIs from the inst…

    .agents/skills/mastra/SKILL.md on GitHub (opens in a new tab)

  • messaging

    Send messages to users via WhatsApp and other connected channels. Use when asked to notify someone, send a message, reply to a contact, message a group, or proactively communicate through WhatsApp. Supports text, images, documents, audio, video, and stickers. Also provides group etiquette for observing group conversations — use `<no-reply/>` to stay silent when a response is not needed.

    src/mastra/skills/messaging/SKILL.md on GitHub (opens in a new tab)

Review before you install

A skill is a set of instructions and scripts your agent will follow, and it can run code on your machine. Read the SKILL.md and any scripts first — this listing is not a security review.