freeCodeCamp tutorial: how to build production-safe agent loops after a Claude Code run burned $50,000
Roger_M_Taylor · x · 2026-10-23
freeCodeCamp published Daniel Nwaneri's tutorial on production-safe agent loops in Python. Real incidents: a Claude Code recursion burned $16k–$50k in 5 hours; a 4-agent LangChain loop ran 11 days costing $47k before anyone noticed. The guide covers five primitives: a spec writer to define "done" upfront, a circuit breaker with token/turn limits, an append-only SQLite audit ledger, the loop tying them together, and a human review gate before downstream systems. Multi-agent workflows cost $1.20 per interaction vs $0.04 for chatbots (up to 70x on complex tasks). Full repo: github.com/dannwaneri/production-safe-agent-loop.
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