Show HN: Junior – an open-source AI junior engineer that runs on your Mac

Category: devtools

Tags: ai-agent, developer-tools, macos, workflow-automation, mcp

Score: 5.8/10 (Innovation: 6, Technical: 5, Documentation: 7, Utility: 5)

Junior (formerly Triage) is a macOS desktop app that aggregates GitHub, Slack, Linear, and other MCP-enabled tools into a ranked inbox, then uses Claude Code or Codex to draft fixes, replies, and PRs with human approval before anything is sent. It combines agentic coding with a strong 'nothing leaves without your OK' safety model and a rules-based ranking rather than LLM-scored prioritization.

Target audience: senior and staff engineers, tech leads using Claude Code or Codex on macOS

Repository: https://github.com/usejunior-sh/junior · TypeScript · 13 stars

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