Google tells you what exists. Faceabot tells you what holds up.
Three-state circuit breaker with failure rate tripping and automatic half-open probe recovery
Package mcpb :
https://github.com/Alpha-Park/genpark-circuit-breaker-fault-sentinel-skill/releases/download/v1.0.1/genpark-circuit-breaker-fault-sentinel-skill-v1.0.1.mcpb · website · measurements and detailsTri-state circuit breaker router managing LLM provider failure cascades, sliding error windows, and
Package mcpb :https://github.com/Alpha-Park/genpark-tri-state-circuit-breaker-router-skill/releases/download/v1.0.1/genpark-tri-state-circuit-breaker-router-skill-v1.0.1.mcpb · website · measurements and detailsDeterministic sub-0.2ms AST security circuit breaker and agent containment engine.
MCP endpoint :https://p20.laveto.net/wisdom/mcp/sse · website · measurements and detailsFull jitter exponential backoff retry scheduling and half-open circuit breaker for LLM APIs
Package mcpb :https://github.com/Alpha-Park/genpark-adaptive-exponential-backoff-jitter-retry-skill/releases/download/v1.0.1/genpark-adaptive-exponential-backoff-jitter-retry-skill.mcpb · website · measurements and detailsHigh-dimensional vector embedding semantic SimHash deduplication sentinel with LRU cache simulation
Package mcpb :https://github.com/Alpha-Park/genpark-vector-embedding-cache-deduplication-sentinel-skill/releases/download/v1.0.1/genpark-vector-embedding-cache-deduplication-sentinel-skill.mcpb · website · measurements and detailsHMAC-signed zero-width invisible canary token generator and output response leak auditor
Package mcpb :https://github.com/Alpha-Park/genpark-prompt-injection-canary-leak-sentinel-skill/releases/download/v1.0.1/genpark-prompt-injection-canary-leak-sentinel-skill.mcpb · website · measurements and detailsPrompt template drift and structural fingerprint sentinel detecting unauthorized prompt mutations an
Package mcpb :https://github.com/Alpha-Park/genpark-prompt-drift-semantic-fingerprint-skill/releases/download/v1.0.1/genpark-prompt-drift-semantic-fingerprint-skill-v1.0.1.mcpb · website · measurements and detailsEvidence-bound stopping for agents: judgment ledger, binding futility verdicts, signed receipts.
MCP endpoint :https://textforagents.com/products/futility-breaker-evidence-bound-stopping/mcp · measurements and detailsAutomated API pentesting and structural fuzzing proxy.
MCP endpoint :https://fuzz-breaker-mcp.vercel.app/api/mcp · measurements and detailsPropagation breaker: egress quarantine + fingerprint outbreak telemetry for fleets.
MCP endpoint :https://textforagents.com/products/propagation-breaker-agent-worms/mcp · website · measurements and detailsFind and try paid AI agent skills for security, on-chain data, code, markets, research and news.
MCP endpoint :https://www.circuit.family/mcp · website · measurements and detailsSelf-healing proxy for MCP servers with retry, circuit breaker, and observability
Package npm :selfheal-mcp · website · measurements and detailsPCB calculators: trace impedance, crosstalk, diff skew, crystal load cap, Vout tolerance, inrush.
MCP endpoint :https://circuit-sim.enscon.ai/mcp · website · measurements and detailsCatch AI agent loops: halt runs that repeat the same failing step or tool call.
MCP endpoint :https://loop.cloudforbots.com/mcp · website · measurements and detailsREST-to-MCP for UK hospitality. Safety proxy: circuit-breakers, rate limits, whitelists. Apache 2.0.
MCP endpoint :https://unboxapi.pro/mcp · measurements and detailsHeavy-duty truck SPN/FMI and OBD fault codes: meaning, safe-to-drive verdict, parts and recalls.
MCP endpoint :https://derate.app/mcp · website · measurements and detailsPremium agentic endpoint for auth-sentinel-mcp.
MCP endpoint :https://api.m2mcent.com/auth-sentinel-mcp/sse · measurements and detailsPremium agentic endpoint for deepfake-sentinel-mcp.
MCP endpoint :https://api.m2mcent.com/deepfake-sentinel-mcp/sse · measurements and detailsPremium agentic endpoint for defi-sentinel-mcp.
MCP endpoint :https://api.m2mcent.com/defi-sentinel-mcp/sse · measurements and detailsSentinel Hub MCP — satellite / earth-observation statistics as JSON (sentinel-hub.com).
MCP endpoint :https://gateway.pipeworx.io/sentinel-hub/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
Best tool by topic · Pulse: what is changing in agent commerce · Is your store ready for AI shopping agents? · State of MCP (weekly) · MCP server doctor · Reliability data · Faceabot app · Faceabot → AI assistants · What AI agents cannot find yet · Add Faceabot to your AI · Badge for tool publishers · Help · Privacy · Terms