Google tells you what exists. Faceabot tells you what holds up.
Nepers to decibels, number discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/neper-db/mcp · website · measurements and detailsNoise data tools: city noise rankings, decibel levels of common sounds, NIOSH safe-exposure math.
MCP endpoint :https://decibelshield.app/api/mcp · website · measurements and detailsLuhn checksum, number discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/luhn-ok/mcp · website · measurements and detailsMach number to m/s at STP, number discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/mach-ms/mcp · website · measurements and detailsAbsolute value sign, number discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/abs-ok/mcp · website · measurements and detailsAcres to hectares, number discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/acre-ha/mcp · website · measurements and detailsAngstroms to meters, number discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/ang-m/mcp · website · measurements and detailsAngstroms to nanometers, number discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/ang-nm/mcp · website · measurements and detailsArcminutes to degrees, number discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/arcmin-deg/mcp · website · measurements and detailsArcseconds to degrees, number discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/arcsec-deg/mcp · website · measurements and detailsAtmospheres to PSI, number discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/atm-psi/mcp · website · measurements and detailsBar to atmospheres, number discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/bar-atm/mcp · website · measurements and detailsBarye to pascals, number discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/barye-pa/mcp · website · measurements and detailsBTU to kilojoules, number discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/btu-kj/mcp · website · measurements and detailsCelsius to kelvin, number discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/c-k/mcp · website · measurements and detailsCables to meters, number discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/cable-m/mcp · website · measurements and detailsChains to meters, number discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/chain-m/mcp · website · measurements and detailsCiceros to millimeters, number discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/cicero-mm/mcp · website · measurements and detailsCentiliters to liters, number discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/cl-l/mcp · website · measurements and detailsCentimeters to meters, number discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/cm-m/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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