Agentic Discovery
The Citadel publishes machine-readable endpoints for private profile-signal and message-risk audits. Profile Forge is gated (preflight required; quote shown before charge).
Marketplace status
- Marketplace submission packet prepared.
- External submission requires founder approval.
- Profile Forge remains gated (preflight required; quote shown before charge).
- Authorized agents and reviewers only.
Canonical API spec: /api/openapi. Reviewer sandbox packet: repository path audit_exports/marketplace/REVIEWER_SANDBOX_20260522.html.
MCP Server for AI Agents
Discover tools, run authenticated calls, and review commerce endpoints through the Citadel MCP server.
UCP Checkout
UCP purchase, key issuance, and redemption for Profile Signal Audit and Message Risk Audit only.
x402 Payments
On-chain USDC settlement for eligible SKUs with replay-protected proofs.
Agentic API Docs
OpenAPI and discovery manifests for integration and preflight review.
Trust Layer & KYA
Know-Your-Agent trust tiers, registration, and governance safeguards.
Discovery path
Start with catalog discovery, then authenticate for headless checkout. B2B agentic pricing is not published for external agents.