The full upstream README, mirrored here for reference. Install config, tool schemas, adoption signals, and an original overview live on the APEX PSI listing page.
Cryptographic truth infrastructure for AI agents.
One config line gives any MCP-capable AI agent (Claude, Cursor, Qoder, Cline, Windsurf, and more) five provenance tools: seal, verify, anchor, cite, audit.
| Tool | Description |
|---|---|
| seal | Stamp a cryptographic receipt on content (SHA-256 + Ed25519) |
| verify | Verify a receipt is authentic |
| anchor | Anchor a receipt to Bitcoin via OpenTimestamps |
| cite | Generate a citation for a receipt (APA, BibTeX, MLA) |
| audit | Audit a chain of receipts for integrity |
Add to your MCP client config:
Or install locally:
Environment variables (optional):
APEX_API_BASE — API endpoint (default: https://apex-infrastructure.com/api)APEX_API_KEY — API key for authenticated accessOnce installed, your AI agent can:
Every receipt carries a verify link to https://apex-infrastructure.com/verify — sealed arithmetic, public provenance.
MIT