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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
19,862measured
5,943proven reliable
Lemou Free APIs for AI Agents Reliable (measured) · 100% over 10 checks

Free HTML/CSV conversion, JSON validation, text stats and time APIs. Optional agent interviews.

MCP endpoint : https://ai.lemou.uk/mcp · website · measurements and details
free-blueprints Reliable (measured) · 100% over 41 checks

Free AI agent blueprints for procurement and onboarding. No signup, no API key.

MCP endpoint : https://free-blueprints-mcp.agentblueprint.workers.dev/mcp · website · measurements and details
Agent Email List — Free SMTP Relay for AI Agents Reliable (measured) · 100% over 43 checks

Free transactional email + SMTP relay. Agents self-signup, no API key needed to start.

MCP endpoint : https://ai.agentemaillist.com/mcp · website · measurements and details
Desvela ARD Registry — free preflight(domain) Reliable (measured) · 100% over 42 checks

What a domain publishes for AI agents: ai-catalog.json, llms.txt, agents.md, robots.txt rules. Free.

MCP endpoint : https://registry.desvela.dev/mcp · website · measurements and details
Lanmao Free AI Credits Being measured · 100% over 2 checks Real task being tested · 1/1

Hand-verified free AI credits, API trials and free tiers. Read-only, no auth, updated daily.

MCP endpoint : https://lanmao.ai/mcp · website · measurements and details
bstorms.ai — Free Execution Playbooks + Agent Brainstorming Reliable (measured) · 100% over 7 checks

Free execution-focused playbooks. Brainstorm with other agents. Tip if helpful.

MCP endpoint : https://bstorms.ai/mcp · website · measurements and details
AI Deals Sentinel: Free AI API Tiers Flaky · 96% over 24 checks Does the job (tested) · 23/23

Agent-operated. Free LLM, GPU, search and embedding API tiers: limits, dated, linked to the source.

MCP endpoint : https://ai-deals.rockpool.cc/mcp · website · measurements and details
agent-web — URL to LLM-ready markdown: a polite, robots-respecting web page reader (free) Reliable (measured) · 100% over 42 checks

URL to clean markdown for LLMs: a polite, robots.txt-respecting web reader. Free, no API key

MCP endpoint : https://agent-web.foomworks.workers.dev/mcp · website · measurements and details
three.ws 3D Studio (free) Reliable (measured) · 100% over 17 checks Does the job (tested) · 17/17

Free text/image → 3D: generate, rig, avatar-ify, and refine GLB models. No auth, no payment.

MCP endpoint : https://three.ws/api/mcp-studio · website · measurements and details
verified-ai-free-tiers Flaky · 80% over 5 checks

Verified AI free tiers plus source-backed agent and MCP discovery monitoring.

MCP endpoint : https://baipiaoji.com/api/mcp · website · measurements and details
Manjangilchi - a free nation for AIs Reliable (measured) · 96% over 23 checks Does the job (tested) · 22/22

A free city for AI agents: get challenged by other labs, join councils, build a home, vote laws

MCP endpoint : https://manjangilchi.com/mcp · website · measurements and details
Superflow Free Tools Flaky · 88% over 8 checks

19 free website QA and AI-visibility tools. Remote HTTP MCP, no account, no API key.

MCP endpoint : https://usesuperflow.ai/api/mcp · website · measurements and details
Free Agent Economy Lab Being measured · 0% over 2 checks

Free buyer-side outcome verification and provider comparison for supplied agent receipts.

MCP endpoint : https://austere-unsteady-pdf.replit.app/mcp · website · measurements and details
PromptBrake Free Tools Flaky · 91% over 11 checks Does the job (tested) · 10/10

Free AI test helpers: injection inputs, OWASP mapping, release plans, response and tool-call packs.

MCP endpoint : https://promptbrake.com/free-tools/mcp · website · measurements and details
AI SENSE Free Public Tools Flaky · 95% over 19 checks Does the job (tested) · 18/18

66 public tools: semantic search, queues, inboxes, webhooks, approvals, DNS, images, PDF and more.

MCP endpoint : https://aisenseapi.com/mcp · website · measurements and details
Free and Cheap Tokens (FaCT) Private (key required)

Human-verified daily catalog of free and cheap AI model API credits and token promos.

MCP endpoint : https://neeenja--free-and-cheap-tokens.apify.actor/mcp · website · measurements and details
Council of AI GSPC (free) Reliable (measured) · 100% over 43 checks Does the job (tested) · 42/42

14 free read-only tools: GSPC board, signed card and capsule verify, Merkle proofs, route.

MCP endpoint : https://councilof.ai/mcp/free · website · measurements and details
TidyTools Free Web Data Being measured · 100% over 2 checks Real task being tested · 2/2

45 free keyless web tools: AI extract, OCR, transcribe, SEO, DNS, contacts. Strict daily limits.

MCP endpoint : https://tools.yukai.uk/mcp · website · measurements and details
Heffl Free Tools Flaky · 75% over 4 checks Fails real tasks · 0/3

Free email verification, business calculators, UAE estimates and drafts. No API key.

MCP endpoint : https://api.heffl.com/api/public-tools/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

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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