Your agents could be failing silently right now.Find out in 2 min →
observe · identify · write policy · enforce

ship agents
that don't fail

see every run, find where agents fail, and ship a policy that stops it, enforced in realtime. the reliability layer for autonomous agents that can't afford to fail.

free · no credit card 39 built-in policies
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[ ● MONITORING ]

agents run.
failproof keeps them running.

catch every failure. stop it for good.

one end-to-end loop that observes every run, finds where agents fail, ships a policy, and enforces it in realtime.

01

see every run, end to end

every prompt, tool call and result from every agent, traced live and replayable step by step.

sessions
see every run, end to end
02

find where they fail, for you

failures cluster themselves into named modes like loops, hallucinated calls and drift, so the pattern surfaces without you digging.

failure report
find where they fail, for you
03

ship a policy that stops it

plug and play: drop-in, one line, local-only. take a built-in policy or write your own.

~/your-agent · policy.loop.js
$failproofai policies --install
# 39 built-in, drop-in
$failproofai policies --install --custom ./policy.loop.js
# or write your own
on loop_detected → deny, break + summarize, restart
on dangerous_action → ask a human first
● plug & play · drop-in · one line · local-only
04

enforced live, across every harness

the policy fires in realtime, so the bad action never runs and the agent gets steered to what to do instead.

denied · realtime
enforced live, across every harness

works with all your agents

one install hooks into whatever harness your team runs, from claude code and codex to cursor, copilot, gemini and more.

claude code
openai codex
cursor
copilot
gemini cli
opencode
pi
hermes
openclaw
goose
deep agents
langgraph

trusted by devs running agents in prod

$ cat /testimonial/testsigma-eng.txt
"We got deep understanding of how agents are failing and can be improved with Failproof. Was great working with Nivedit and making our agents resilient!"
- engineeringengineering team @ testsigma
$ cat /testimonial/aravind-ranganathan.txt
"we now have fewer incidents, less compute waste, and faster shipping. Bonus: it is open source. Excited to scale more workloads with Failproof."
- Aravind Ranganathanco-founder & cto @ niti ai (ex-uber, microsoft)
━━ CAN YOU KEEP THE AGENT ALIVE?

guiding the agent away from failure.

SNAKE= agentFRUIT= guiding policyGOAL= keep it off the pink

field notes from the lab

agent failures, architecture, and what it takes to ship agents in production with confidence.