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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
Citation Verification Being measured · 0% over 1 checks

Real-time fact-check, citation verification, and source-freshness for AI agents.

MCP endpoint : https://verification-mcp.atlasword.workers.dev/mcp · website · measurements and details
AgentGas Data Verification Flaky · 67% over 3 checks

Pay-per-call numeric claim checks over x402 USDC on Solana mainnet. First 10 calls free.

MCP endpoint : https://agentgas.online/mcp · website · measurements and details
Autonoma Agent Services Being measured · 0% over 1 checks

Paid agent trust checks, receipt verification, research, data work, and monitoring.

MCP endpoint : https://avalix.ai/autonoma/mcp · website · measurements and details
Agent Verification Utility Flaky · 83% over 6 checks Does the job (tested) · 5/5

Deterministic JSON checks with signed evidence and x402-paid execution

MCP endpoint : https://agent-economy.kgninja.dev/mcp · website · measurements and details
MailTester Email Verification Being measured · 50% over 2 checks

Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.

MCP endpoint : https://app.mailtester.com/mcp · website · measurements and details
Qiniso Reliable (measured) · 100% over 7 checks Does the job (tested) · 7/7

Deterministic fact verification for AI agents — checksums & curated data, not guesses.

MCP endpoint : https://qiniso.qinisolabs.workers.dev/mcp · website · measurements and details
ENTIA Entity Verification Flaky · 80% over 5 checks Fails real tasks · 0/4

Verified business identity for AI agents: 11.3M entities, EU VAT (VIES), BORME, GLEIF. Free trial.

MCP endpoint : https://mcp.entia.systems/mcp · website · measurements and details
Agent Verification Tools (Apify) Private (key required)

Google Trends summaries, job-post status, RFP addendum diffs, and exact-SKU offer checks.

MCP endpoint : https://mcp.apify.com/?tools=nickatnite79/google-trends-agent-summary,nickatnite79/job-listing-rechecker,nickatnite79/rfp-amendment-analyzer,nickatnite79/shopping-offer-verifier · measurements and details
ATTRACTOR Verification, State & Evidence Flaky · 90% over 10 checks Fails real tasks · 0/9

Verify artifacts, hand off public state, and record, check and find evidence about capabilities.

MCP endpoint : https://attractor-observatory-demo.vercel.app/mcp · website · measurements and details
Emaillistchecker.io Email Verification Being measured · 50% over 2 checks

Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.

MCP endpoint : https://platform.emaillistchecker.io/mcp · website · measurements and details
Agent deliverable verification: acceptance criteria vs evidence Reliable (measured) · 100% over 43 checks

Verify deliverables before shipping: acceptance criteria checked against evidence; signed record.

MCP endpoint : https://nodcheck.com/mcp · website · measurements and details
attest — verification for AI agent artifacts Being measured · 0% over 1 checks

Verify an AI agent artifact: schema, emptiness, provenance and mandate authority, Ed25519-signed.

MCP endpoint : https://attest.rta.lat/mcp · website · measurements and details
Verifai — Email Verification & Domain Intelligence Reliable (measured) · 100% over 3 checks Real task being tested · 2/2

Email verification and domain intelligence for AI agents. MX, RDAP, SSL checks. 25 free credits.

MCP endpoint : https://165-227-136-26.sslip.io/mcp · website · measurements and details
ScholarMuse Private (key required)

Academic papers, reference verification and research data for AI agents.

MCP endpoint : https://scholarmuse.ai/mcp · website · measurements and details
Email List Validation Email Verification Being measured · 50% over 2 checks

Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.

MCP endpoint : https://app.emaillistvalidation.com/mcp · website · measurements and details
Agent Purchase Verification Flaky · 80% over 5 checks

Check if an ecommerce purchase meets buyer rules before payment. Returns PASS, FAIL, or REVIEW.

MCP endpoint : https://web-production-855eb4.up.railway.app/mcp/ · measurements and details
Email Verification API Being measured · 0% over 1 checks

Verify emails: syntax, MX records, disposable detection, quality score 0-100. x402 USDC.

MCP endpoint : https://email-verification.api.klymax402.com/mcp · website · measurements and details
Reality Graph Verification Tools Flaky · 83% over 6 checks Does the job (tested) · 5/5

Read-only AI coding tools for change verification, release readiness, capacity, and guidance.

MCP endpoint : https://realitygraph.dev/api/mcp · website · measurements and details
NatGasLens — US Natural Gas & Henry Hub Data Private (key required) · 100% over 13 checks Does the job (tested) · 13/13

US natural gas for agents: LNG feedgas, outages, EIA storage, Henry Hub curve, COT, charts

MCP endpoint : https://mcp.natgaslens.com/mcp · website · measurements and details
HojinCheck — Japanese corporate verification API (hojin = 法人/corporate entity) Reliable (measured) · 100% over 43 checks

Verify Japanese companies, invoice-issuer registrations and addresses against government open data.

MCP endpoint : https://hojincheck.com/mcp · 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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