Distribution
NPC checks, inside the assistants you use.
The plugins let you ask for an NPC check inside an assistant and follow the answer back to the signed record. Three are live today. Each one below shows where it stands.
What a plugin will answer
Is this product authentic?
Smart-tag lookup, with provenance.
Is this certificate real?
Credential lookup, with status and revocation.
Did this really happen?
Claim matched against attested records, findings included.
Is this agent verified?
Agent attestation: verdict, scope, and time bounds.
What does Verified by NPC mean?
What a verified answer means, and what it does not.
Where each one stands
| Assistant | Surface | Status |
|---|---|---|
| Claude | MCP server for MCP clients | Live. The MCP server is published on PyPI as npc-verify-mcp, and a hosted endpoint answers too, so MCP clients can ask today. |
| ChatGPT | Plugin / GPT action | Live. Verified by NPC is published in ChatGPT, and its five tools answer there. Open the listing. |
| Gemini | Extension | Live. The Gemini extension, version 1.0.2, is published on GitHub. Get it on GitHub. |
| Copilot | Plugin | In enrollment with Microsoft. Submission follows when enrollment completes. |
The public API is live
Every live integration above answers through the public API at api.npclabs.xyz, against live records, with the full answer waiting on the record itself. Copilot joins them once its enrollment with Microsoft completes.
The NPC Verify extension for Chrome is coming soon. For news on it and on Copilot, join the waitlist on the home page.