Google tells you what exists. Faceabot tells you what holds up.
Frontier-design reference: file formats, converters, definitions, sensors, companies, design jobs.
MCP endpoint :https://falcon.so/api/mcp · website · measurements and detailsDiscover Frontier inference capabilities and read sanitized usage through read-only tools.
MCP endpoint :https://openfrontier.dev/mcp · website · measurements and detailsNew papers from Nature, Science, Cell, NEJM and other top journals, scored on evidence and novelty.
MCP endpoint :https://frontierresearch.co/api/mcp · website · measurements and detailscsproj package reference count, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/csproj-count/mcp · website · measurements and detailscsproj package reference count, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/csproj-ok/mcp · website · measurements and detailsNeutral value reference unit: live value, history, conversion and methodology.
MCP endpoint :https://ieunit.org/mcp/ · website · measurements and detailsOCI image reference shape, name discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/oci-ref-ok/mcp · website · measurements and detailsTylenol (acetaminophen), Motrin (ibuprofen), Zyrtec (cetirizine): US pediatric dose labels.
MCP endpoint :https://kintoolkit.com/api/mcp · website · measurements and detailsRead-only US tax reference for notices, deadlines, filing screens, and clearly labeled estimates.
MCP endpoint :https://mcp.arcandledger.com/directory/mcp · website · measurements and detailsBulk backlink data: domain rank, referring domains, backlinks with anchors, spam score, dofollow.
MCP endpoint :https://mcp.apify.com/?tools=meridianlabs/backlink-checker · website · measurements and detailsRead-only Interlude and High Five NPC, loot, Soul Crystal and XP reference tools.
MCP endpoint :https://l2tools.org/api/mcp · website · measurements and detailsFact-check citations: resolve, match, support claims. Arithmetic rechecked. Free to start.
MCP endpoint :https://www.stipple.sh/mcp-verify · website · measurements and detailsStructured iGaming reference: slot specs & RTP variants, providers, regulators, news and jobs.
MCP endpoint :https://mcp.i-gaming.tools/mcp · website · measurements and detailsCross-brand carbide grade equivalents from verified manufacturer charts; never invents a grade.
MCP endpoint :https://cuttingtoolsai-mcp.memmizgezgin.workers.dev · website · measurements and detailsOracleNet Deal Discovery Protocol — permissioned commercial matching for MCP/A2A agents.
MCP endpoint :https://tooloracle.io/deal/mcp/ · website · measurements and detailsBrand-neutral cutting tool reference: grade cross-reference, materials, turning starting values.
MCP endpoint :https://cuttingtoolsai.eu/mcp · website · measurements and detailsPoint Topic public MCP: UK broadband market reference data — ISPs, networks, links and standards.
MCP endpoint :https://mcp.point-topic.com/public · website · measurements and detailsAfrican bank & SWIFT codes, NUBAN resolution, mobile networks, holidays and ISO 4217 currencies.
MCP endpoint :https://mansaapi.com/api/mcp · website · measurements and detailsReference integrity for AI agents. Scans and verifies links, imports, assets, deps.
Package npm :reference-mcp · measurements and detailsNegotiation math engine. Pareto frontier, counteroffer generation, zero LLM tokens.
MCP endpoint :https://zopaf-mcp-production.up.railway.app/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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