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I built a smart proxy so your coding agent can run loose

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The only way to go fast is full YOLO mode in your coding agent. I've got the local sandbox figured out (pro tip: Incus VMs work great) but I wanted to keep my agents from doing things like inadvertently blowing up my cloud services or chasing a prompt to POST to some random website. I struggle most with this on my side projects where my permission model isn't quite as robust as it is at the office.I started with a firewall on the Incus container but every time the agent needed access to something new, I was poking more holes in it - and it didn't differentiate between HTTP verbs.I've been using Claude Code auto mode too but I wanted to be able to guide the LLM, not just hand over control completely. I also want some flat allow and deny rules.So, I built Trollbridge: an HTTP/S proxy that runs in front of your coding agent and lets you set up allow or deny lists, realtime approve or deny in the TUI, or wire up an LLM that makes calls based on your prior decisions.Would love to hear what you think - give it a shot, leave a comment, file a bug. Thanks!Website: https://trollbridge.dev Github: https://github.com/dandriscoll/trollbridge

HN · launched Jul 14, 2026 · 14 upvotes (top 37%) · 0 views

Niche: ai agent guardrail software · 200 launches, 24 in the last 7 days ▲ +20% · Explore this niche →

Category and tags

  • Horizontal
  • Dev tools
  • Developer
  • AI-native
  • Hobby / open-source project

Visit website ↗ Source listing ↗

Could you build this?

Yes Building a local reverse HTTP/HTTPS proxy with allowlists, terminal prompts, and an LLM advisor hook is easily achievable with standard Node/Go/Python proxy libraries.

Discussion

6 comments analyzed.

Competitors mentioned: Docker Sandboxes

Concerns raised: LLM-only with no tool/action capabilities, Advisor prompt injection vulnerability risk, Website/README written entirely by Claude, not trustworthy, Advisor LLM might make unauthorized calls

Competitors

Other products that read as similar to this one : 413 launches clear the similarity bar, closest 8 shown.

Attention rank: #173 of 414 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 258 days after the earliest competitor.

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