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Signed deterministic checks for supplied JSON invoices, OpenAPI API contracts and JSON events.
MCP endpoint :https://pfxxzsnboehxsefyajml.supabase.co/functions/v1/xynthera-ai-payg-mcp/mcp · website · measurements and detailsReads invoices and receipts from PDF to JSON and checks the math. $0.04/page via x402.
MCP endpoint :https://subpay.ai/invoice/mcp · website · measurements and detailsJSON syntax validation, JSON Schema checking, structure stats. x402 micropayment.
MCP endpoint :https://json-validator.api.klymax402.com/mcp · website · measurements and detailsQuery Inbin's parsed email events (newsletters, invoices, alerts) as typed JSON tools.
MCP endpoint :https://api.inbin.dev/mcp · website · measurements and detailsCreate ZUGFeRD e-invoices from JSON or PDF, verify Factur-X, check VAT IDs and Peppol.
MCP endpoint :https://finisma.de/api/mcp · website · measurements and detailsChecks receipts and invoices for AI generation, edits and resubmission, with proof you can re-check.
MCP endpoint :https://receiptaudit.com/mcp · website · measurements and detailsValidate Factur-X, CII & UBL e-invoices free, no key. Generate compliant invoices from JSON.
MCP endpoint :https://facturx.orvel.dev/mcp · website · measurements and detailsDeterministic validation for AI-generated artifacts: JSON Schema, OpenAPI response, SQL syntax.
MCP endpoint :https://api.machinegrade.dev/mcp · website · measurements and detailsFree agent-service discovery, OpenAPI document checks, and receipt verification. No API key needed.
MCP endpoint :https://axiomrelay.io/mcp/discovery · website · measurements and detailsPay/review/hold verdict for invoice payees: cross-checks IBAN, BIC, VAT, EIN. Paid: RapidAPI
MCP endpoint :https://invoice-validator.mohamed-bahaa53000.workers.dev/demo/mcp · website · measurements and detailsFDA label warnings, recalls and adverse event counts for a drug. $0.003/call via x402.
MCP endpoint :https://drug-safety-production.up.railway.app/mcp · website · measurements and detailsTurn any PDF into structured JSON via AI + OCR: invoices, bank statements, contracts.
MCP endpoint :https://mcp.apify.com/?actors=opportunity-biz/document-to-json-mcp · website · measurements and detailsRussian docs for AI agents: invoices/acts PDF, document parsing, INN checks, medical ad checks
MCP endpoint :https://mcp.xonta.ru/mcp · website · measurements and detailsResolve prediction market events. Price checks, claim verification, outcome confidence.
MCP endpoint :https://event-resolver.api.klymax402.com/mcp · website · measurements and detailsXRechnung and ZUGFeRD e-invoicing (EN 16931): create, validate, check Leitweg-IDs, German VAT.
MCP endpoint :https://api.inkvoice.net/mcp · website · measurements and detailsAfter a handoff, check one public JSON field equals one exact value. Signed receipt. 5 free checks.
Package mcpb :https://github.com/zensteagarden/noticer-open/releases/download/noticer-commercial-mcp-v0.3.2-dev.20261016/noticer-commercial-mcp-0.3.2-dev.20261016.mcpb · website · measurements and detailsEvidence-backed UBL, PDF, and image invoice checks before approval or payment.
MCP endpoint :https://mcp.dropenginehq.com/api/invoice-mcp · website · measurements and detailsGerman e-invoicing: generate XRechnung 3.0, pre-check and extract (incl. ZUGFeRD PDF). Paid.
MCP endpoint :https://invoice-api.dropcoin.workers.dev/mcp · measurements and detailsBehind Check and GAIP Watch, and Diagnose: A2A, MCP and OpenAPI checks with a dated change log.
MCP endpoint :https://www.gaipagents.com/mcp/agents/integration-protocol · website · measurements and detailsLook up members, events, registrations, invoices and payments, and add contacts or check in guests.
MCP endpoint :https://wild-apricot.usefulapi.io/mcp · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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