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pi-warden

Guardrails for Pi that steer instead of interrupt: enforces your project rules on every write, holds only hard-to-undo actions (3 per 1,000 calls, measured on real sessions), catches unverified "done" claims and stuck loops, and trims tool output. Built on pi-typesafe.

177 ★ on GitHub

What it is

pi-warden supervises Pi while it works, catching risky actions, ignored rules, stuck loops, unverified "done" claims, security issues, runaway output, wasted context, and more.

Getting started

From the README:

pi install npm:pi-warden

Where the decision sits

pi-warden calls the hosted decision API rather than running its own weights. That keeps the project small and means its behaviour moves whenever the vendor ships a new model version. It also means an API key and a network round trip sit in the path of every decision.

Models it references: Jev.

How active it is

Created 2026-09-16, last pushed 2026-10-31, 177 stars and 32 forks when we read it on 2026-11-02. Everything in this category is weeks old at most, so a stale push date means something different here than it would on a mature project. Check the repository before you depend on it.

Find out what your data actually supports

We turn your historical decisions into a frozen test set, then tell you which model, which threshold, and how much of it you can safely automate.