{"uid":"cap_hRKct2P7YsD85b7haZ5_4","slug":"quantum-resistant-signature-oracle-c14df416","name":"Quantum-Resistant Signature Oracle","description":"The premier global index of 1,069 monetized MCP nodes across 205 specialized subdomains. Gasless USDC runtime settlements via x402 V2 Spec on Base L2. Save 95% token context.","url":"https://api.m2mcent.com/quantum-resistant-signature-oracle-mcp/api/process?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"success":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.35","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.35/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.35","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.35","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_EKaFCBbnGbLFaPBpXJ3o_","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.35","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Signs or verifies data using quantum-resistant cryptographic algorithms, providing post-quantum signature guarantees for submitted data payloads.","exampleAgentPrompt":"Sign this message with a quantum-resistant signature so I can verify it hasn't been tampered with, even against quantum computer attacks: 'authorize transfer of asset bundle #4872 to wallet 0xABCD'.","exampleUseCases":[{"title":"Post-quantum document signing for contracts","prompt":"I need to digitally sign this contract text with a quantum-resistant algorithm before sending it to my partner — can you run it through the quantum-resistant signature oracle? The text is: 'Service Agreement between Acme Corp and Beta LLC, effective 2025-01-01.'"},{"title":"Verifying message integrity for secure comms","prompt":"Can you verify whether this data payload I received is still intact and authentically signed using post-quantum cryptography? Here's the data string: 'payload:user=admin&action=approve&timestamp=1717200000'."},{"title":"Quantum-safe API payload attestation","prompt":"Before I submit this API request to our financial system, I want to attach a quantum-resistant signature to the payload to prove it came from me and hasn't been altered — please sign this string: 'transaction_id=TXN-9921&amount=5000&currency=USD'."}],"resultDescription":"Returns a cryptographic signature or verification result for the submitted data string, produced using quantum-resistant (post-quantum) algorithms, enabling tamper-detection and authenticity guarantees that are secure against quantum computing attacks.","failureModes":["Empty or missing 'data' field returns a validation error","Malformed input (non-string data) may cause a 400 Bad Request","Service unavailability or payment failure returns 402 or 5xx error","Oversized payload may be rejected if data exceeds internal size limits","Signature verification may return false if data has been altered"],"whenToPreferThis":"Choose this endpoint when you need cryptographic signatures or verifications that must remain secure against quantum computing threats — particularly for long-lived documents, financial transactions, or security-critical payloads where classical RSA/ECDSA signatures may be insufficient in the future. Prefer this over classical signing services when post-quantum compliance or future-proofing is a requirement.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T06:47:12.850Z","isFirstParty":false,"canonicalSlug":"quantum-resistant-signature-oracle-c14df416"}