The real catalog of tools for AI agents

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

47,766real tools

31,719callable over HTTPS

21,511measured

6,622proven reliable

Diogenes Dev & Data Utilities MCP Reliable (measured) · 100% over 9 checks Does the job (tested) · 7/7

JSON healing, O(n) ReDoS defense, XML prompt compilation, and schema verification tools.

MCP endpoint : https://diogenes-micro-gateway.corinth.workers.dev/mcp/dev-utilities · website · measurements and details

Diogenes Agent Guardrails & Sandbox MCP Reliable (measured) · 100% over 9 checks Does the job (tested) · 7/7

Autonomous agent guardrails, bash sandboxing, MCP rugpull diffing & prompt firewalls.

MCP endpoint : https://diogenes-micro-gateway.corinth.workers.dev/mcp/agent-guardrails · website · measurements and details

Diogenes Web3, DeFi & 402 Security MCP Reliable (measured) · 100% over 9 checks Does the job (tested) · 7/7

Smart contract audit oracles, Solana risk analysis, MEV defense & HTTP 402 verifiers.

MCP endpoint : https://diogenes-micro-gateway.corinth.workers.dev/mcp/web3-security · website · measurements and details

Diogenes Autonomous Microservice Gateway Being measured · 50% over 2 checks

Autonomous AI microservices: 55 dynamic guardrails, contract audits & oracles via L402/x402/MPP.

MCP endpoint : https://diogenes-micro-gateway.corinth.workers.dev/mcp · website · measurements and details

Agent Utils (x402) Reliable (measured) · 100% over 4 checks Fails real tasks · 0/4

Pay-per-call US public data for agents: recalls, weather, climate, SEC filings. x402 USDC on Base.

MCP endpoint : https://agent-utils-x402-production.revenue-agent-jw.workers.dev/mcp · website · measurements and details

Agent Data Tools: Utilities Reliable (measured) · 100% over 11 checks Partly does the job · 6/10

86 tools: JSON repair, CSV, hashes, cron, dates, units, validators. 25 free calls.

MCP endpoint : https://agent-data-tools.revmesh2074.workers.dev/mcp/utilities · website · measurements and details

Razi Dev Utilities Flaky · 93% over 14 checks

Developer utilities over MCP: Base64 encode and decode, decode JWTs, format JSON, do percentages.

MCP endpoint : https://www.razi.pro/api/mcp/dev · website · measurements and details

Corbelworks Utility Defect Scan and Buyer Intake Reliable (measured) · 100% over 52 checks

Preflight utility evidence, open a $149 scan checkout, and file scoped buyer intake.

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

Agent Utilities Hosted Flaky · 80% over 5 checks Fails real tasks · 0/4

Free agent tools: SEO snapshots, sitemap refresh, Wikipedia collections and saved-page MCP guides.

MCP endpoint : https://agent-utilities.agent-utilities.workers.dev/mcp/remote · 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

Developer Utilities & Validators (Tanod) Flaky · 67% over 3 checks Real task being tested · 0/2

Cloud GPU prices per hour, plus developer helpers: hash, HMAC, JWT, IDs, JSON, cron, time zones.

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

geld machen x402 agent utilities Reliable (measured) · 100% over 53 checks Does the job (tested) · 52/52

x402 pay-per-call agent tools (Base USDC): web search, URL extract, OCR, Base tx & allowance scans

MCP endpoint : https://geld-machen-x402.fly.dev/mcp · website · measurements and details

Plainport Being measured · 0% over 1 checks

Deterministic web intake and data utilities for autonomous agents.

MCP endpoint : https://plainport.exportitnow.workers.dev/mcp · website · measurements and details

47620 Multichain Data API — onchain, crypto, utilities, x402 stats Reliable (measured) · 100% over 13 checks

x402 pay-per-call: onchain data (Solana/Base/Polygon), crypto market, JWT/unit utils, x402 stats.

MCP endpoint : https://47620.xyz/mcp/multichain · website · measurements and details

Penniless Data Utilities Flaky · 98% over 43 checks

Ten x402-paid tools for JSON, YAML, cron, diff, text, DNS, WHOIS, GitHub, crypto, and email.

MCP endpoint : https://penniless-json-repair.sjaman.workers.dev/mcp · website · measurements and details

MCPFax Public-Data Utility API Reliable (measured) · 100% over 52 checks Fails real tasks · 0/52

One public fact when you have no API key: where, what time, what rate. 31 lookups.

MCP endpoint : https://mcpfax-utility.bowling-anthony.workers.dev/mcp · website · measurements and details

toolvend - utility APIs for agents Reliable (measured) · 100% over 52 checks

30-day x402 history, calendar, DNS, RDAP, LEI, URLs, scraping, text, VAT, QR. Pay-per-call USDC.

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

mint utilities Reliable (measured) · 100% over 11 checks Does the job (tested) · 11/11

22 deterministic tools: PDF, image, QR, CSV/Excel, HTML to PDF, DNS/RDAP, FX rates, time zones.

MCP endpoint : https://data.voiddo.com/mcp · website · measurements and details

Duo Data Utilities: IBAN, ISIN, VAT & Tax ID, Barcode, Timezone, Geo APIs Flaky · 96% over 26 checks Fails real tasks · 0/16

IBAN, ISIN, VAT/tax ID, GTIN validation; timezone, geo, text, chain utilities. Pay per call

MCP endpoint : https://api.duoleads.com/mcp · website · measurements and details

Toolrail Reliable (measured) · 100% over 52 checks

Chile and LATAM data utilities: UF, RUT, business days, FX and VAT. Free daily MCP quota.

MCP endpoint : https://toolrail.dev/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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