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The real catalog of tools for AI agents

Google tells you what exists. Faceabot tells you what holds up.

44,737real tools
29,284callable over HTTPS
19,913measured
6,428proven reliable
MCP health — MCP directory health check diagnostics Reliable (measured) · 100% over 43 checks

Diagnoses whether an MCP server is reachable, by live HTTP probe.

MCP endpoint : https://mcp-health.rowb.app/mcp · website · measurements and details
firmware-attestation-mcp Not measured yet

Firmware Attestation MCP — hardware trust layer for sovereign AI. Scan firmware, check

Package pypi : firmware-attestation-mcp · website · measurements and details
x402check Not measured yet

Risk-check counterparties before an AI agent pays; pay x402 resources only after a verified allow

Package npm : @x402check/mcp · website · measurements and details
edge-diagnostics-x402 Being measured · 0% over 1 checks

Edge-based network diagnostic utility checking host latency, gated via x402 payment rails.

MCP endpoint : https://edge-diagnostics-x402.seob5285.workers.dev/v1/diagnose-host · measurements and details
KubeStellar MCP Not measured yet

AI-powered Kubernetes diagnostics, RBAC analysis, security checks, and app deployment via MCP

Package oci : ghcr.io/kubestellar/kubestellar-mcp:0.9.20-nightly.20261019 · website · measurements and details
NexIP Being measured · 0% over 1 checks

Network, domain and website diagnostics for AI clients via MCP.

MCP endpoint : https://nexip.ru/mcp · website · measurements and details
MYCELIX Flaky · 88% over 8 checks

Free, no-key, read-only MCP endpoint verification and diagnostics.

MCP endpoint : https://neo-collettive.onrender.com/mcp · website · measurements and details
Port Scanner API Being measured · 0% over 1 checks

TCP port scanning — check open ports on any host. x402 micropayment.

MCP endpoint : https://port-scanner.api.klymax402.com/mcp · website · measurements and details
NAIF Gravity Reliable (measured) · 100% over 18 checks

Free MCP/API diagnostics. Micro Tools V2: free preview, $1 JSON check, $2 API shape, $3 normalize.

MCP endpoint : https://naifgravity.com/mcp · website · measurements and details
MCPComp Diagnostics Not measured yet

Grade an MCP server's auth against the spec and diagnose which layer a failure is in.

Package npm : mcpcomp · website · measurements and details
scan.mx Email Diagnostics Flaky · 67% over 3 checks Real task being tested · 2/2

Email deliverability check: MX, SPF, DKIM, DMARC, blacklists, MTA-STS, DNSSEC, BIMI. Graded, no key.

MCP endpoint : https://api.scan.mx/mcp · website · measurements and details
heimdall Not measured yet

🛡️ MCP Heimdall - Advanced Environment Architect & Diagnostic Tool.

Package npm : @lchampz/mcp-heimdall · website · measurements and details
Venture Insights Concept Diagnostic Reliable (measured) · 100% over 3 checks Does the job (tested) · 3/3

Venture Insights' free Concept Diagnostic, requested by an AI assistant for a founder.

MCP endpoint : https://solutions.ventureinsights.com.sa/api/mcp · website · measurements and details
NAIF Gravity Diagnostic — Free MCP/API/Webhook Triage Flaky · 75% over 4 checks

Free MCP, API auth, webhook and schema diagnostics with bounded checks and safe quote routing.

MCP endpoint : https://naifgravity.com/mcp/diagnostic · website · measurements and details
ravendb-mcp Not measured yet

Read-only MCP diagnostics server for RavenDB.

Package nuget : RavenDB.Mcp · website · measurements and details
AIT Advisory — Enterprise Execution Diagnostic Reliable (measured) · 100% over 12 checks

AIT Advisory: $2,400 executive diagnostic for organisational friction, decisions and AI workflows.

MCP endpoint : https://mcp.aitadvisory.com/mcp · website · measurements and details
Execute crop-pest-diagnostic-mcp Being measured · 0% over 1 checks

Premium agentic endpoint for crop-pest-diagnostic-mcp.

MCP endpoint : https://api.m2mcent.com/crop-pest-diagnostic-mcp/sse · measurements and details
MCPFax Vehicle Diagnostics Reliable (measured) · 100% over 43 checks

A fault code, a VIN, or a recall — answered from public NHTSA and standards data.

MCP endpoint : https://mcpfax-diag.bowling-anthony.workers.dev/mcp · website · measurements and details
Yumi Cost-Aware Diagnostic Planner Reliable (measured) · 100% over 3 checks

Exact expected-cost diagnostic policies for caller-supplied finite deterministic fault models.

MCP endpoint : https://noqt.no-qt.chatgpt.site/api/yumi/probe-mcp · website · measurements and details
Quantabble — AP Science Misconception Diagnostics Reliable (measured) · 100% over 42 checks

Misconception detection for AP Chemistry & Physics 1. 90% catch rate vs 24% baseline.

MCP endpoint : https://quantabble-api.chemandphysicsmastery.workers.dev · measurements and details

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