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Runtime failure resolution for coding agents. Hooks into Claude Code and Codex. Catches loops, dangerous actions, and secret leaks before they become incidents. Zero latency. Runs locally.

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Supported agent CLIs

                    

             

Install hooks for one or any combination: failproofai policies --install --cli opencode pi gemini (or --cli claude codex copilot cursor opencode pi gemini). Omit --cli to auto-detect installed CLIs and prompt. GitHub Copilot CLI, Cursor Agent, OpenCode, Pi, and Gemini CLI support are in beta — testing is ongoing.

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Install

npm install -g failproofai
failproofai policies --install
failproofai

30 built-in policies activate immediately. Dashboard at localhost:8020.

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What it stops

Policy	What it blocks
block-push-master	Direct pushes to main / master
block-force-push	git push --force
block-work-on-main	Commits, merges, rebases on main / master
block-rm-rf	Recursive file deletion
sanitize-api-keys	API keys leaking into agent context

→ All 30 built-in policies

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Your own policies

Drop a file into .failproofai/policies/ — it loads automatically, no flags needed. Commit it and the whole team gets it on next pull.

import { customPolicies, deny, allow } from "failproofai";

customPolicies.add({
  name: "no-production-writes",
  match: { events: ["PreToolUse"] },
  fn: async (ctx) => {
    if (ctx.toolInput?.file_path?.includes("production"))
      return deny("Writes to production paths are blocked.");
    return allow();
  },
});

Three decisions available to every policy:

Decision	Effect
allow()	Permit the operation
deny(message)	Block it — message goes back to the agent
instruct(message)	Let it through, but add context to the agent's next prompt

→ Custom policies guide

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Session visibility

Every tool call your agent makes is logged locally. The dashboard shows what ran, what was blocked, and what the policy told the agent — so you're not guessing when something goes wrong. → Dashboard guide

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Documentation

Getting Started	Installation and first steps
Built-in Policies	All 30 policies with parameters
Custom Policies	Write your own
Configuration	Config scopes and merge rules
Dashboard	Session monitor and policy activity
Architecture	How the hook system works

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License

MIT with Commons Clause — free for internal and personal use; commercial resale of failproofai itself requires a separate agreement. See LICENSE for the full text.

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Contributing

See CONTRIBUTING.md. New policies, edge cases, and translations all welcome.

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Built by Nivedit Jain and Nikita Agarwal. befailproof.ai