Google tells you what exists. Faceabot tells you what holds up.
Paid OpenAPI audit and API change detection for agents. $0.10 USDC per analysis via x402 on Base.
MCP endpoint :https://agent.prh.news/mcp · website · measurements and detailsDetect breaking changes, generate changelogs, diff, and validate OpenAPI specs.
MCP endpoint :https://api.oasdiff.com/mcp · measurements and detailsThe Kalman filter for the non-Gaussian, non-stationary world. Unsupervised structural change.
MCP endpoint :https://kirk-mcp.kavara.ai/mcp · website · measurements and details12 synthetic coded claim exception cases: duplicate payments, policy-watch list entries, missing doc
MCP endpoint :https://a2awire.com/mcp/benchmarks/coded-claim-audit-2026-09-14-a7b04acd/http · website · measurements and detailsAPI Schema Drift Monitor — detect breaking changes in OpenAPI specs
Package npm :@sethclawd/schemaguard · website · measurements and detailsPublisher revenue audit: ads.txt and ad-stack checks, Sulvo onboarding, and Boost ad-block recovery
MCP endpoint :https://publisher-revenue-audit.sulvo.com/mcp · website · measurements and detailsCrawls a website for broken links, redirects and SEO issues, and lists changes since the last run
MCP endpoint :https://mcp.apify.com?tools=ozzie_bagadirov/seo-audit-change-monitor · website · measurements and detailsCheck WooCommerce checkout-change risk using public evidence and privacy-safe store signals.
MCP endpoint :https://revenue-graph.utilityhouse.xyz/mcp/registry · measurements and detailsMCP/x402 starter audit; payment-ready buyers call buy_now first.
MCP endpoint :https://doctors-lighting-facial-admissions.trycloudflare.com/agent-revenue-copilot/mcp · website · measurements and detailsVerify live jobs/RFPs, deadlines, eligibility, terms changes, and Base/web data via x402.
MCP endpoint :https://payne-machine-revenue-mcp.apayne1987.workers.dev/mcp · website · measurements and detailsFree preflight and exact-price discovery for paid website and AI-agent audits.
MCP endpoint :https://agent-revenue-auditor.vandurmedries.workers.dev/mcp · website · measurements and detailsDeterministic webpage change detection, hashes and text diffs for recurring monitoring via x402 MCP.
MCP endpoint :https://mcp.apify.com?tools=industrial_platform/web-change-intelligence&payment=x402 · website · measurements and detailsEvidence-bound second-opinion audit of an agent conclusion against caller-supplied evidence.
MCP endpoint :https://subsidy-stylized-unaligned.ngrok-free.dev/mcp · measurements and detailsOpenAPI version key shape, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/openapi-ok/mcp · website · measurements and detailsTurn described changes into reviewed pull requests: propose, triage, review, dependency audits.
MCP endpoint :https://mcp.openhelm.ai/dev/mcp · website · measurements and detailsSatellite SAR analysis: ship, oil slick, building change, and time-series change detection
MCP endpoint :https://mcp.spcsft.com/mcp · website · measurements and detailsSchema-aware API monitoring: diff OpenAPI specs for breaking changes, manage endpoints.
MCP endpoint :https://monit.rs/integrations/mcp · website · measurements and detailsVOC OpenAPI gives AI agents authorized review and product data for insights, tagging, and listings.
MCP endpoint :https://open.voc.ai/mcp/catalog · website · measurements and detailsPaid deterministic data-quality and execution-verification tools for AI agents.
MCP endpoint :https://agent-revenue-network.nadirventurelabs.workers.dev/mcp · website · measurements and detailsMonitor web pages for changes with AI-powered change detection, diffs, and alerts.
MCP endpoint :https://pagecrawl.io/mcp · 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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