Introducing Pi Durable for Rivet
Run Earendil's Pi Durable harness in a Rivet Actor. Every model request and tool call is checkpointed to SQLite, so runs finish through crashes and upgrades.
agentOS Blog7 min read
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Run Earendil's Pi Durable harness in a Rivet Actor. Every model request and tool call is checkpointed to SQLite, so runs finish through crashes and upgrades.
Pi 1.0 adds native MCP via code mode, custom model routing, deferred tool loading, and Pi Durable for long-running agent sessions.
Pi Durable adds crash-resumable, multi-conversation state to AI agent apps. Here's how its checkpointing and storage model actually work.
Pi and Pi Durable are MIT-licensed and free, but model API calls, routing, and classifiers still bill you. Here's the real cost picture.
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