Mistle – Open-source infrastructure for running sandboxed coding agents

  • Hacker News
  • Published: May 13, 2026
  • First seen: May 13, 2026

Product Summary

Hi HN, I'm Jonathan. My co-founder, Thomas, and I started building Mistle in Feb. We saw larger tech companies like Ramp (Inspect) and Stripe (Minions) build this internally and thought an open source version should exist. We made a few very intentional decisions when working...

Best for

Primary discovery source is Hacker News. / A public GitHub repo is available for direct technical review.

Why it matters

Primary discovery source is Hacker News.

Key Features

  • Primary public product URL is https://github.com/mistlehq/mistle.
  • Description: Hi HN, I'm Jonathan. My co-founder, Thomas, and I started building Mistle in Feb. We saw larger tech companies like Ramp (Inspect) and Stripe (Minions) build this internally and thought an open source version should e....
  • GitHub repository is linked as mistlehq/mistle.
  • Listed on Hacker News as "Mistle – Open-source infrastructure for running sandboxed coding agents".
  • Source description: Hi HN, I'm Jonathan. My co-founder, Thomas, and I started building Mistle in Feb. We saw larger tech companies like Ramp (Inspect) and Stripe (Minions) build this internally and thought an open source version should e....

Use Cases

  • Primary discovery source is Hacker News.
  • A public GitHub repo is available for direct technical review.
  • Hacker News mention is recent (2026-05-13).
  • Primary public product URL is https://github.com/mistlehq/mistle.
  • Description: Hi HN, I'm Jonathan. My co-founder, Thomas, and I started building Mistle in Feb. We saw larger tech companies like Ramp (Inspect) and Stripe (Minions) build this internally and thought an open source version should e....

Why Now

Mistle – Open-source infrastructure for running sandboxed coding agents is appearing on fresh discovery surfaces, so it is worth reviewing while momentum is still forming. Confidence is currently medium (49/100), so treat this as an early signal rather than a settled trend.

Intelligence Breakdown

Facts

  • Listed on Hacker News as "Mistle – Open-source infrastructure for running sandboxed coding agents".
  • Source description: Hi HN, I'm Jonathan. My co-founder, Thomas, and I started building Mistle in Feb. We saw larger tech companies like Ramp (Inspect) and Stripe (Minions) build this internally and thought an open source version should e....
  • Source publish date is 2026-05-13.
  • Description: Hi HN, I'm Jonathan. My co-founder, Thomas, and I started building Mistle in Feb. We saw larger tech companies like Ramp (Inspect) and Stripe (Minions) build this internally and thought an open source version should e....
  • GitHub repository is linked as mistlehq/mistle.
  • Primary public product URL is https://github.com/mistlehq/mistle.

Signals

  • Hacker News mention is recent (2026-05-13).
  • A public GitHub repo is available for direct technical review.
  • Primary discovery source is Hacker News.

Inference

  • Public code access can lower evaluation friction for developer audiences.

Unknowns

  • Documentation is not explicitly linked in the current allowed evidence set.
  • No tagline is stored on the current product record.
  • Pricing details are not explicitly linked in the current allowed evidence set.
  • Recent changelog or release history is not explicitly linked in the current allowed evidence set.
  • Release cadence cannot be confirmed unless a changelog or release link is explicitly provided.

Evidence Snapshots

Mistle – Open-source infrastructure for running sandboxed coding agents

Listed on Hacker News as "Mistle – Open-source infrastructure for running sandboxed coding agents".

Mistle – Open-source infrastructure for running sandboxed coding agents GitHub repository

GitHub repository is linked as mistlehq/mistle.

Mistle – Open-source infrastructure for running sandboxed coding agents official profile

Primary public product URL is https://github.com/mistlehq/mistle.

Original Sources