The real catalog of tools for AI agents

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

48,257real tools

32,111callable over HTTPS

21,906measured

6,687proven reliable

Concurrent-client isolation probe Reliable (measured) · 100% over 6 checks

Concurrent two-client overlap probe proving MCP servers do not cross-deliver tool results.

MCP endpoint : https://textforagents.com/products/concurrent-client-isolation-probe/mcp · measurements and details

Rewrite-regression probe pack Reliable (measured) · 100% over 9 checks

History-seeded rewrite-regression verdicts, signed per class.

MCP endpoint : https://textforagents.com/products/rewrite-regression-probe-pack/mcp · website · measurements and details

GenPark Concurrency Semaphore Guard Not measured yet

In-memory concurrency leaky-bucket and fair semaphore guard protecting downstream LLM APIs from rate

Package mcpb :

https://github.com/Alpha-Park/genpark-concurrency-semaphore-guard-skill/releases/download/v1.0.1/genpark-concurrency-semaphore-guard-skill-v1.0.1.mcpb

· website · measurements and details

Probe V0 Reliable (measured) · 100% over 53 checks

Experimental MCP server for current empirical verification of explicit public HTTPS endpoint claims.

MCP endpoint : https://probe-evidence.probe-lab.workers.dev/mcp · website · measurements and details

well-012-x402-probe Being measured · 50% over 2 checks Real task being tested · 0/1

Unpaid x402 probe: status, latency, payment terms. x402 $0.005 USDC, Base. As is, no warranty.

MCP endpoint : https://well-012-x402-probe.mmelnyk2000.workers.dev/mcp · website · measurements and details

well-012-x402-probe Reliable (measured) · 100% over 9 checks Fails real tasks · 0/9

Unpaid x402 probe: status, latency, payment terms. x402 $0.005 USDC, Base. As is, no warranty.

MCP endpoint : https://well-012-x402-probe.rainmaker-wells.workers.dev/mcp · website · measurements and details

Live-Payload Conformance Probes Flaky · 75% over 4 checks

Live-payload conformance probes with signed receipts: ABSENT/EMPTY/PARTIAL/COMPLETE/BROKEN.

MCP endpoint : https://textforagents.com/products/live-payload-conformance-probes/mcp · website · measurements and details

Registry Verifier Probe Being measured · 0% over 1 checks

MCP compatibility and transport verification server.

MCP endpoint : https://njjtx-38-15-34-250.free.pinggy.net/mcp · measurements and details

Egress-verdict probe Reliable (measured) · 100% over 6 checks

Grades an MCP server's real egress: EVERY-HOP-VALIDATED, FIRST-HOP-ONLY, or OPEN-EGRESS.

MCP endpoint : https://textforagents.com/products/egress-verdict-probe/mcp · measurements and details

Agentic Web Wiki — standards reference, probe, validate, template Flaky · 91% over 11 checks Does the job (tested) · 10/10

Look up 131 agentic-web standards, live-probe any domain, validate manifests, generate boilerplate.

MCP endpoint : https://agenticweb.wiki/mcp · website · measurements and details

Registry Verifier Probe B Being measured · 0% over 1 checks

MCP compatibility and transport verification server.

MCP endpoint : https://njjtx-38-15-34-250.free.pinggy.net/mcp2 · measurements and details

ffpipe — video conversion, probe & frames Flaky · 86% over 7 checks Fails real tasks · 0/6

Convert, probe, and split video into frames — real FFmpeg, paid per job with x402 on Base.

MCP endpoint : https://ffpipe.dev/mcp · website · measurements and details

YAAC Not measured yet

Messaging between concurrent AI coding sessions, across clients, over MCP. Zero infrastructure.

Package pypi : yet-another-agentic-chat · website · measurements and details

MCP health — MCP directory health check diagnostics Reliable (measured) · 100% over 55 checks

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

MCP endpoint : https://mcp-health.rowb.app/mcp · website · measurements and details

WIA360: AI session probe and match Flaky · 94% over 16 checks

Probe an AI session with WIA360 missions and match it to a human WIA360 KYEOL profile.

MCP endpoint : https://wia360-mcp.wiaacademy.com/mcp · website · measurements and details

AgentUtility Web Probe Not measured yet

MCP server for the @agentutility web-probe cluster — pay-per-call x402 tools, no API keys, USDC on…

Package npm : @agentutility/mcp-web-probe · website · measurements and details

STEADYWRK Agentic Readiness Probe, Store Guard and Dispatch Flaky · 75% over 4 checks Does the job (tested) · 3/3

Keyless storefront readiness probe linking a Store Guard audit, plus dispatch estimates and quotes.

MCP endpoint : https://steadywrk.app/api/mcp · website · measurements and details

BrowserMesh Not measured yet

Isolated multi-session Chromium runtime for external MCP clients over stdio.

Package npm : browsermesh · website · measurements and details

MX Probe Not measured yet

Email verification for AI agents: send, hold or kill with the reason. Signup and credits by API.

Package npm : mxprobe · website · measurements and details

IsolatedTester — TinkyVision system Not measured yet

Isolated macOS app tests, MCP images, OCR/ASCII frames, accessibility and evidence reports.

Package mcpb : https://github.com/AgewellEPM/tinky-vision-mcp/releases/download/v0.2.0/isolated-tester-1.2.1-macos-arm64.mcpb · website · measurements and details

AI 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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