Source record

Published by Hacker News · workflow (T2 source). The original is at https://github.com/piercefreeman/waymark.

Pipeline notes

The summary and note below are generated by the signal pipeline — they are Beyond Desk’s reading, not quotations from the source.

Waymark is an open-source durable execution library for Python that compiles workflow code into stackless VM bytecode rather than replaying it. It supports local error detection, Postgres task brokering, FastAPI dependency injection, parallel execution, and use as a runner for AI agents.

The implementation details provide a concrete comparison point for durable agent runners, especially the AST-to-bytecode approach, broker constraints, and production deployment pattern.

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