Jev Sentinel: an open-source Pi coding-agent extension built on Jev

Jev Sentinel: an open-source Pi coding-agent extension built on Jev ▎ • Scans files and command output for prompt injection before the agent reads them ▎ • Flags replies that pass on injected instructions ▎ • Fetches the extra context Jev asks for before bothering you ▎ • Scrubs secrets from everything sent to Jev ▎ • task pinning to catch Model context drift ▎ • Checks every tool call (is it on task? how risky?) → runs it, asks you, or warns ▎ Tested with gpt-4o-mini against planted traps. Screenshots, test sandboxes and 84 tests in the repo: https://github.com/harshwasan/pi-jev-sentinel https://x.com/harsh_w98/status/2101366309875548252 (edited) Saturday, September 19, 2026 at 11:12 PM