Open-source harness fan-outs 100 agents to audit its own docs for $5.75 in 5 minutes
Pitiful-Surround-285 · reddit · 2026-09-25
An open-source coding agent harness stress test used one prompt to have GPT-6 Astra orchestrate 100 parallel Luna reviewers and 25 Sol editors to audit 24 doc pages. The fan-out took 4m55s and cost $5.75 via OpenRouter, catching real bugs like a non-compiling SDK example and a fabricated subagent depth limit. Cost is bounded by design: one page and one angle per reviewer, under-100-word reports, enforced model whitelists, and 24-step/5-minute worker limits — all inside a 6.5 MB Rust binary.
Related event: Open-source coding agent harness runs 100 parallel agents on docs(2 posts)→
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