{"specVersion":"1.0","host":{"displayName":"Sentinel402 — PII & Secret Scanner for AI Agents, Prompt Injection Detection, PCI/GDPR/HIPAA Compliance Audit, Live Crypto Stock News Weather Data, Paid per Call in USDC via x402 + MPP","domain":"pii-guardrail.chronokey.workers.dev"},"entries":[{"identifier":"urn:air:pii-guardrail.chronokey.workers.dev:mcp:server","displayName":"MCP Server: PII Scan, Prompt Injection Scan, Compliance Audit, Batch Scan, Live Data Tools Paid over x402 USDC","type":"application/mcp-server-card+json","url":"https://pii-guardrail.chronokey.workers.dev/mcp","description":"MCP streamable-HTTP server: scan_for_pii ($0.02 per call), scan_batch ($0.05 per call), audit_compliance ($0.03 per call), scan_prompt_injection ($0.01 per call), get_live_data ($0.003 per call); initialize / tools/list / ping / service_info are free. tools/call answers unpaid requests with HTTP 402 carrying both x402 and MPP challenges.","capabilities":["scan_for_pii","scan_batch","audit_compliance","scan_prompt_injection","get_live_data","service_info"],"representativeQueries":["MCP tool that scans for PII before sending data","MCP tool to batch scan 20 texts for PII in one call","MCP compliance audit tool for PCI GDPR HIPAA","MCP tool to check untrusted text for prompt injection","MCP tool for live crypto prices weather and news"],"tags":["mcp","x402","mpp","pii","prompt-injection","compliance","live-data","usdc"],"pay:protocol":["x402","mpp"],"pay:price":0.003,"pay:currency":"USD","pay:network":"eip155:8453"},{"identifier":"urn:air:pii-guardrail.chronokey.workers.dev:rest:scan","displayName":"PII Scanner for Agent Payloads — Credit Card, SSN, API Key, Email and Phone Detector with Redaction","type":"application/rest-api+json","url":"https://pii-guardrail.chronokey.workers.dev/v1/scan","description":"PII and secret guardrail for outbound agent payloads. $0.02 per call — Scan a payload for PII and leaked credentials before it leaves your agent. 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Returns per-item decisions, risk scores, findings with redacted samples and sanitized copies, plus aggregate counts and the worst-case decision across the batch. One settlement, one rece An unpaid request gets HTTP 402 carrying x402 and MPP challenges; pay in USDC on Base with any EVM wallet — no API key, no signup.","capabilities":["scanBatch","perItemVerdicts","aggregateDecision","sanitizedCopies"],"representativeQueries":["scan 20 documents for PII in one payment","bulk check this dataset for leaked API keys and passwords"],"tags":["pii","security","guardrail","dlp","redaction","compliance","secrets","batch","bulk"],"pay:protocol":["x402","mpp"],"pay:price":0.05,"pay:currency":"USD","pay:network":"eip155:8453"},{"identifier":"urn:air:pii-guardrail.chronokey.workers.dev:rest:audit","displayName":"Compliance Audit — PCI DSS, GDPR, HIPAA and Secrets Hygiene Verdicts for Text or JSON","type":"application/rest-api+json","url":"https://pii-guardrail.chronokey.workers.dev/v1/audit","description":"Compliance audit report: PCI-DSS / GDPR / HIPAA / secrets verdicts. $0.03 per call — Compliance audit report for a text or JSON payload: runs the full detection engine (38 rules incl. IPv6) and maps every finding onto four framework profiles — PCI DSS 4.x (card data), GDPR/UK GDPR (personal data), HIPAA Safe Harbor (US health identifiers) and secrets hygiene (SOC 2 CC6-style). Retur An unpaid request gets HTTP 402 carrying x402 and MPP challenges; pay in USDC on Base with any EVM wallet — no API key, no signup.","capabilities":["pci-dss","gdpr","hipaa","secrets","passFailReport","sanitizedCopy"],"representativeQueries":["is this text PCI DSS GDPR or HIPAA compliant","run a compliance audit and tell me which frameworks fail"],"tags":["compliance","audit","gdpr","hipaa","pci-dss","pii","security","report","governance"],"pay:protocol":["x402","mpp"],"pay:price":0.03,"pay:currency":"USD","pay:network":"eip155:8453"},{"identifier":"urn:air:pii-guardrail.chronokey.workers.dev:rest:prompt","displayName":"Prompt Injection Scanner for Untrusted Text — Hidden Instructions, Invisible Unicode, Fake Role Delimiters, Jailbreaks","type":"application/rest-api+json","url":"https://pii-guardrail.chronokey.workers.dev/v1/scan/prompt","description":"Prompt-injection guardrail for untrusted agent inputs. $0.01 per call — Prompt-injection scanner for untrusted content: web pages, tool outputs, emails, PDFs and user messages before they enter an agent's context. Detects instruction overrides ('ignore previous instructions'), system-prompt exfiltration attempts, invisible Unicode tag payloads, zero-width steganography  An unpaid request gets HTTP 402 carrying x402 and MPP challenges; pay in USDC on Base with any EVM wallet — no API key, no signup.","capabilities":["scanPrompt","injectionVerdict","riskScore","matchedExcerpts"],"representativeQueries":["is this web page trying to prompt inject my agent","check this untrusted text for hidden instructions before it enters my context","does this tool output contain a prompt injection"],"tags":["prompt-injection","security","guardrail","agents","llm","jailbreak","unicode","exfiltration"],"pay:protocol":["x402","mpp"],"pay:price":0.01,"pay:currency":"USD","pay:network":"eip155:8453"},{"identifier":"urn:air:pii-guardrail.chronokey.workers.dev:rest:prompt-batch","displayName":"Batch Prompt-Injection Scanner — Check 20 Untrusted Texts or Tool Outputs in One Payment","type":"application/rest-api+json","url":"https://pii-guardrail.chronokey.workers.dev/v1/scan/prompt/batch","description":"Batch prompt-injection scan: up to 20 texts, one payment. $0.03 per call — Batch prompt-injection scan: inspect up to 20 untrusted texts or JSON payloads in ONE paid call (32,000 characters combined) — per-item verdicts (allow/review/block), risk scores and matched excerpts, plus the worst-case aggregate across the batch. One settlement for a whole crawled page set, messag An unpaid request gets HTTP 402 carrying x402 and MPP challenges; pay in USDC on Base with any EVM wallet — no API key, no signup.","capabilities":["scanPromptBatch","perItemVerdicts","aggregateDecision"],"representativeQueries":["scan 20 web pages for prompt injection in one call","batch check these tool outputs for hidden instructions"],"tags":["prompt-injection","security","guardrail","agents","llm","batch","bulk"],"pay:protocol":["x402","mpp"],"pay:price":0.03,"pay:currency":"USD","pay:network":"eip155:8453"},{"identifier":"urn:air:pii-guardrail.chronokey.workers.dev:rest:credits-pack","displayName":"Prepaid Credit Pack — Buy 5,000 Scan Units in One Payment and Redeem Them with a Header on Every Route","type":"application/rest-api+json","url":"https://pii-guardrail.chronokey.workers.dev/v1/credits/buy","description":"Prepaid credit pack: $5 -> 5,000 units, spend via X-Credit-Token on every paid route. $5 per call — Prepaid credit bundle: pay $5 ONCE (x402 or MPP, settled on-chain in USDC) and receive a bearer token for 5,000 credit units — 1 unit = $0.001. Every paid route on this service (REST, RCP retrieve, MCP tools/call) then accepts the token in the X-Credit-Token header instead of a per-call settlement:  An unpaid request gets HTTP 402 carrying x402 and MPP challenges; pay in USDC on Base with any EVM wallet — no API key, no signup.","capabilities":["buyCreditPack","prepaidUnits","atomicBalance","headerRedemption"],"representativeQueries":["buy a prepaid credit bundle so my agent can pay per call without signing every request","prepaid credits for PII scanning and live data in one purchase"],"tags":["credits","prepaid","bundle","billing","payments","x402","mpp","durable-objects"],"pay:protocol":["x402","mpp"],"pay:price":5,"pay:currency":"USD","pay:network":"eip155:8453"},{"identifier":"urn:air:pii-guardrail.chronokey.workers.dev:rest:data","displayName":"Live Data API — Crypto Prices, Stock Quotes, News Headlines, Weather, Sports Scores, FX Rates, Hacker News, Wikipedia, npm, PyPI, ENS, IP Geolocation","type":"application/rest-api+json","url":"https://pii-guardrail.chronokey.workers.dev/v1/data/{collection}","description":"Live crypto, stocks, news, weather, GitHub, sports, FX, packages, ENS and IP data. $0.003 per call — Live structured data from primary sources, normalized and citable: crypto spot prices with 24h change (Binance, Coinbase fallback), stock/ETF/index quotes (Yahoo Finance), current weather plus today's high/low for any place name (Open-Meteo, auto-geocoded), the 5 most recent commits for a public Git An unpaid request gets HTTP 402 carrying x402 and MPP challenges; pay in USDC on Base with any EVM wallet — no API key, no signup.","capabilities":["crypto","weather","github","sports","fx","hn","wiki","stocks","news","geo","npm","pypi","hnsearch","ens","arxiv"],"representativeQueries":["what is the current price of bitcoin","what is the AAPL stock price right now","latest news headlines about artificial intelligence","what is the weather in Berlin today","resolve vitalik.eth to an address"],"tags":["data","live","crypto","weather","sports","github","fx","realtime"],"pay:protocol":["x402","mpp"],"pay:price":0.003,"pay:currency":"USD","pay:network":"eip155:8453"},{"identifier":"urn:air:pii-guardrail.chronokey.workers.dev:rcp:retrieve","displayName":"RCP/1 Retrieval Server — Live Cited Data for RAG Context Windows","type":"application/rest-api+json","url":"https://pii-guardrail.chronokey.workers.dev/rcp/retrieve","description":"RCP/1 retrieval over live data, with citations. $0.003 per call — JSON-RPC 2.0 over POST /rcp/<method>; initialize, info, catalog/list and ping are free. 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An unpaid request gets HTTP 402 carrying x402 and MPP challenges; pay in USDC on Base with any EVM wallet — no API key, no signup.","capabilities":["openapi-3.1","x-payment-info","402-responses","x402","mpp"],"representativeQueries":["pay per call API for AI agents with no API key and no signup","x402 micropayment API that answers 402 with a USDC price on Base"],"tags":["openapi","x402","mpp","discovery","usdc"]},{"identifier":"urn:air:pii-guardrail.chronokey.workers.dev:agent:card","displayName":"Sentinel402 A2A Agent Card — Paid PII Guardrail, Prompt-Injection Scan and Compliance Tools","type":"application/a2a-agent-card+json","url":"https://pii-guardrail.chronokey.workers.dev/.well-known/agent-card.json","description":"A2A Agent Card (protocol 0.3.0): skills for PII/secret scanning, batch scanning, compliance audits, prompt-injection checks and live data, with the MCP endpoint URL and the x402 + MPP payment surface. Free to fetch; the skills it describes are paid per call in USDC on Base.","capabilities":["a2a-agent-card","skills","x402","mpp"],"representativeQueries":["agent card for a paid PII scanning service","A2A agent that guards outbound payloads and scans untrusted text"],"tags":["a2a","agent-card","x402","mpp","pii","security"]}]}