{"uid":"cap_R6_qjO7FgLl15LMdh_HAt","slug":"privacy-preserving-auth-mcp-38b81d5f","name":"Privacy-Preserving Auth MCP","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/privacy-preserving-auth-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":"0.25","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":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_J5T2S2iRoLKB1ke7Y-CHR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Processes authentication or authorization data using privacy-preserving techniques, enabling identity verification without exposing sensitive credentials.","exampleAgentPrompt":"Can you run a privacy-preserving authentication check on this credential payload for me — I need to verify the user's identity without exposing the underlying data?","exampleUseCases":[{"title":"Zero-knowledge login verification","prompt":"I need to verify that a user is who they say they are without storing or revealing their actual credentials — can you run this auth payload through the privacy-preserving auth service and tell me if it checks out?"},{"title":"Privacy-safe API access gating","prompt":"Before letting this API request through, please run the requester's auth data through the privacy-preserving auth check to confirm they're authorized without exposing their identity details."},{"title":"Compliant identity check for regulated app","prompt":"For this healthcare app I'm building, I need to authenticate users in a way that doesn't expose PII — can you process this auth data string through the privacy-preserving authenticator and return the verification result?"}],"resultDescription":"Returns a processed authentication or verification result indicating whether the provided data passes the privacy-preserving auth check, without revealing the underlying sensitive credential information. Likely includes a status, proof, or token confirming the outcome.","failureModes":["Invalid or malformed data string returns an error response","Empty data field causes processing failure","Unsupported data format may result in rejection","Payment failure (402) if USDC not provided or insufficient","Network timeout if the auth processing takes too long"],"whenToPreferThis":"Choose this endpoint when you need to authenticate or verify user identity in a privacy-preserving manner — particularly when you cannot afford to expose raw credentials or PII in transit or storage. Prefer this over standard auth endpoints when compliance, zero-knowledge proofs, or privacy-first design is a requirement.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T12:42:36.566Z","isFirstParty":false,"canonicalSlug":"privacy-preserving-auth-mcp-38b81d5f"}