v0.6.0 — agents can pay
13 → 16 tools: get_pricing, buy_dossier (guest Stripe Checkout → checkout_url), claim_dossier (session_id → 90-day entity-scoped token); get_dossier gains optional token unlocking the paid depth. Registry manifests (server.json / mcp.json / claude-plugin.json) + SECURITY.md. See CHANGELOG.