Google tells you what exists. Faceabot tells you what holds up.
Deterministic inspect, safe repair, and JSON Schema validation for agent JSON. No LLM.
Package pypi :agent-json-reliability · website · measurements and detailsReliable PDF table extraction. Pass a URL, get structured JSON tables with citations.
MCP endpoint :https://pdf-tables-mcp.vercel.app/api/mcp · website · measurements and detailsTesting, benchmarking and auditing autonomous AI agents — methods, harnesses, evidence
MCP endpoint :https://agentreliability.dev/mcp?via=manifest · website · measurements and detailsBefore you pay an endpoint you cannot vouch for: credit grade, drift and preflight.
MCP endpoint :https://mcpfax-reliability.bowling-anthony.workers.dev/mcp · website · measurements and detailsMeasured uptime, price and payment evidence for 19,021 agent services. Reliability, not quality.
MCP endpoint :https://agents.traderszone.net/mcp · website · measurements and detailsCheck one French company by name or SIREN and get its Nogogo A-E reliability grade for free.
MCP endpoint :https://mcp-public.nogogo.fr/mcp · website · measurements and detailsPrevent duplicate AI-agent side effects with idempotency, verification, and durable receipts.
MCP endpoint :https://optimistic-compassion-production.up.railway.app/mcp · website · measurements and detailsCheck an AI agent endpoint before you call it: read-only, no API key, returns a trustDecision.
MCP endpoint :https://getagenttrust.com/api/mcp/public · website · measurements and detailsGrade an AI agent's transcripts on 18 reliability tests. Thin evidence is NOT TESTED, not guessed.
Package mcpb :https://github.com/forevercrab321-svg/leevar-battery/releases/download/v0.1.0/leevar-mcp-0.1.0.mcpb · website · measurements and detailsJSON tools MCP.
MCP endpoint :https://gateway.pipeworx.io/json/mcp · website · measurements and detailsJSON validity
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-ok/mcp · website · measurements and detailsAccept JSON hint
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/accept-json/mcp · website · measurements and detailsJSON Accept hint
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/compat-json/mcp · website · measurements and detailsapplication/json marker
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/mime-json/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 detailsJSON byte count, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-bytes/mcp · website · measurements and detailsJSON minify shape, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-min-ok/mcp · website · measurements and detailsJSON Pointer shape, path discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-pointer-ok/mcp · website · measurements and detailsCheck whether text is valid JSON. The body is discarded.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-check/mcp · website · measurements and detailsJSON-LD script count, markup discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-ld-n/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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