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Data marketplace for AI agents: quality-scored datasets, compliance checks, x402 USDC payments.
MCP endpoint :https://ugduocbgwoqoiyyjdnzr.supabase.co/functions/v1 · website · measurements and detailsSearch FCC radio licenses, find nearby transmitter sites, and see who is licensed on a frequency.
MCP endpoint :https://fcc-spectrum.caseyjhand.com/mcp · website · measurements and detailsExplore likely radio services, channels, and emissions from 108 MHz to 1 GHz.
Package oci :ghcr.io/guycole/mellow-tapir-mcp:1.0.2 · website · measurements and detailsPublic MCP digital twin with synthetic systems and an agent firewall. No customer data.
MCP endpoint :https://virus-alert.com/api/mcp · measurements and detailsOpen data: 1,590 JTBD hypotheses with cold-traffic test results and cost per lead. CC BY 4.0
MCP endpoint :https://mcp.digitalexperts.tv/mcp · website · measurements and detailsDeterministic SHACL-based assessment and comparison for digital passport data models.
Package oci :ghcr.io/ce-rise-software/dpawb-mcp:0.1.2 · website · measurements and detailsdigit run count, text discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/digit-n/mcp · website · measurements and detailsISBN digit shape
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/isbn-shape/mcp · website · measurements and detailsISSN digit shape
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/issn-ok/mcp · website · measurements and detailsValidates IBAN/ISBN/EAN/Luhn checksums and finds the one wrong digit
MCP endpoint :https://check-digit.gumballtools.com/api/mcp · website · measurements and detailsPremium agentic endpoint for chinese-scroll-digitizer-mcp.
MCP endpoint :https://api.m2mcent.com/chinese-scroll-digitizer-mcp/sse · measurements and detailsEAN/UPC digit shape
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/ean-shape/mcp · website · measurements and detailsMCP de solo lectura del directorio, Radar y Observatorio de humanista.digital.
MCP endpoint :https://humanista-digital-mcp.vercel.app/api/mcp · website · measurements and detailsEBCDIC digit zone, input discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/ebcdic-ok/mcp · website · measurements and detailsUTC nanosecond 9-digit band
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/ns-utc/mcp · website · measurements and detailsSonyflake digit shape, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/sonyflake-ok/mcp · website · measurements and detailsVIAF digit id, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/viaf-ok/mcp · website · measurements and detailsFirma digital argentina (Ley 25.506) con certificados de certificador licenciado.
MCP endpoint :https://firma.identik.me/api/mcp · website · measurements and detailsPedágios: Pedágio Digital, official-source lookup. Platform-hosted, pay per query with prepaid credi
MCP endpoint :https://api.mcp.ai/p_pedagios_pedagio_digital · website · measurements and detailsIG Digital Lab, Sacramento, CA: independent software & AI automation agency.
MCP endpoint :https://igdigi.com/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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