Show HN: One line so LLM workers share a 429 wait and keep jobs an outage stops

Category: devtools

Tags: llm, resilience, circuit-breaker, dead-letter-queue, python

Score: 7.0/10 (Innovation: 6, Technical: 7, Documentation: 8, Utility: 7)

Baldur is a Python resilience decorator that adds coordinated backoff, circuit breaking, and dead-letter replay for external API calls, especially LLM providers. It allows multiple workers to share a single rate-limit wait and recover failed jobs automatically after an outage, with minimal setup and framework integrations. The project is notable for its focused feature set and practical approach to common failure modes.

Target audience: backend devs, devops

Repository: https://github.com/baldurhq/baldur · Python · Apache-2.0 · 2 stars

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