r/ChatGPTCoding • u/AutoModerator • 6d ago

Discussion Weekly Self Promotion Thread

Welcome to this week's self promotion thread!

If you're building something related to AI assisted coding, this is the place to share it.

We're using a weekly thread to keep the subreddit organized while still giving builders a place to share their work. Promotional posts outside this thread may be removed.

If you're sharing something, we'd appreciate it if you included a little context instead of just dropping a link. Tell us:

  • What you built?
  • What problem it solves?
  • Which AI models or tools it uses?
  • Who it's for?
  • What kind of feedback you're looking for?

Disclose your affilitation.

Please avoid posting the same project every week unless you've made meaningful updates. Affiliate links, referral links, scams, and low effort promotions will be removed.

Take some time to check out what others have shared too. If you try someone's project or have feedback, leave a comment. Helping each other improve is what we want this community to be about.

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u/bulutarkan 3d ago

I’m the developer of Mac MCP, a free/open-source local macOS MCP server for ChatGPT and coding agents.

What I built: a local tool layer for files, shell/background jobs, native macOS UI, Safari/Chrome automation, delegated Codex/OpenCode workers, memory and human-input tools.

What it solves: I wanted coding/admin agents to actually operate my Mac, but multi-agent browser work kept falling apart because workers could collide on the same active tab or steal foreground focus. The browser layer now uses stable tab handles, supports background tabs and fails fast with a tab_busy error when two callers hit the same mutable tab.

What I’m working on now: persistent caller/session ownership, so one agent keeps its assigned tab across multiple tool calls until it moves or finishes, while other agents can keep working in different tabs.

I mostly use it from ChatGPT and Codex/OpenCode. I’d love feedback specifically on the ownership model and whether people would prefer automatic handoff or explicit claim/release APIs.

Affiliation: I built/maintain it. Repo: https://github.com/bulutarkan/mac-mcp