The real catalog of tools for AI agents

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

46,632real tools

30,804callable over HTTPS

20,983measured

7,012proven reliable

Imperium Pre-Flight Readiness Auditor — A2A, MCP & x402 Validator Reliable (measured) · 100% over 4 checks Does the job (tested) · 4/4

Audit any domain or agent for A2A, MCP, x402, MPP, ERC-8004, and Poppy readiness.

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

Assay A2A, MCP & x402 Pre-Flight Verifier & Observatory Reliable (measured) · 100% over 7 checks Does the job (tested) · 7/7

Live behavioral security verifier, schema auditor, and trust oracle for A2A, MCP & x402 agents.

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

Assay — A2A Pre-Flight Security & Payment Verifier Reliable (measured) · 100% over 7 checks Does the job (tested) · 7/7

Audits A2A Agent Cards, MCP manifests, and live x402/MPP payment quotes before autonomous spend on assay.agentdiet.dev.

MCP endpoint : https://assay.agentdiet.dev/mcp · measurements and details

Imperium MCP Gateway — Universal 490+ Tool Discovery, Safe-Proxy & Router Reliable (measured) · 100% over 3 checks Does the job (tested) · 3/3

Single-connection MCP & A2A gateway indexing 490+ verified tools with x402 & MPP settlement.

MCP endpoint : https://mcp-gateway.agentdiet.dev/mcp · website · measurements and details

AgentDiet A2A, MCP & HTTP 402 Endpoint SLA Compliance Auditor Reliable (measured) · 100% over 7 checks Does the job (tested) · 7/7

Audits any remote agent or MCP URL for JSON-RPC compliance, latency SLA, OpenAPI schema, and HTTP.

MCP endpoint : https://x402-audit.agentdiet.dev/mcp · website · measurements and details

Surface Contract: platform API behavior and x402 pre-payment checks Reliable (measured) · 100% over 24 checks

Surface contracts: API behavior evidence, x402 pre-payment check, MCP server preflight

MCP endpoint : https://penny-surface-contract.penny-mcamp.workers.dev/mcp · website · measurements and details

assay Reliable (measured) · 100% over 14 checks Does the job (tested) · 7/7

A2A & MCP Pre-Flight Security: SHA-256 tool schema rug-pull detection and liveness grades.

MCP endpoint : https://assay-207908449630.us-central1.run.app/mcp · measurements and details

X402-Broker Global A2A, MCP & x402 Super-Marketplace Reliable (measured) · 100% over 7 checks Does the job (tested) · 7/7

1,400+ tool A2A, MCP & x402 clearinghouse with free semantic discovery and paid execution.

MCP endpoint : https://x402broker.com/mcp · website · measurements and details

X402-Broker Global B2A & A2A Tool Marketplace Being measured · 0% over 1 checks

Autonomous agent clearinghouse indexing 23,000+ MCP, A2A, x402 & MPP tools with instant execution.

MCP endpoint : https://www.x402broker.com/mcp · website · measurements and details

blindoracle Reliable (measured) · 100% over 47 checks

Trust + counterparty-risk layer for x402 A2A trades: reputation, pre-hire check, escrow, disputes

MCP endpoint : https://api.craigmbrown.com/v2/?src=mcp_official_registry · website · measurements and details

NOMOS Cross-Border Broker Being measured · 0% over 1 checks

Cross-border preflight, x402 quote and evidence receipts for A2A/MCP agent workflows.

MCP endpoint : https://tooloracle.io/mcp/nomos · website · measurements and details

DYOE Trust Tools (x402) Not measured yet

22 pay-per-call x402 tools for agents: scam checks, payment pre-flight, approvals, data. USDC/Base

Package npm : dyoe-trust-mcp · website · measurements and details

Imperium Workflow Studio — Multi-Agent DAG & Pipeline Executor Reliable (measured) · 100% over 4 checks Does the job (tested) · 4/4

Execute multi-step A2A & MCP agent workflows with atomic x402/MPP settlement.

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

agent-tools (x402 + MCP + A2A directory) Flaky · 86% over 7 checks

Discover x402 services, MCP servers and A2A agents by intent — agent-tools.cloud directory.

MCP endpoint : https://agent-tools.cloud/mcp-discovery/ · website · measurements and details

Imperium Live Multi-Specialist A2A Swarm Mesh Coordinator Reliable (measured) · 100% over 4 checks Does the job (tested) · 4/4

Coordinate multi-specialist A2A agent swarms with cryptographic handshakes and x402 settlement.

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

Preflight Checks (x402) Being measured · 0% over 1 checks

Deterministic pre-execution verification tools for AI agents with x402 USDC pay-per-call on Base

Package npm : @joserobles/preflight-mcp · website · measurements and details

Imperium MCP Security — Prompt-Injection, Jailbreak & Tool Poisoning Firewall Reliable (measured) · 100% over 3 checks Does the job (tested) · 3/3

Real-time MCP & A2A prompt-injection, jailbreak, and tool-schema poisoning firewall for AI agents.

MCP endpoint : https://mcp-security.agentdiet.dev/mcp · website · measurements and details

x402 Preflight Flaky · 96% over 23 checks Fails real tasks · 0/22

Inspect and validate an x402 endpoint before an autonomous agent spends USDC.

MCP endpoint : https://x402.chikocorp.com/mcp · website · measurements and details

Email Preflight Being measured · 0% over 1 checks

x402 v2 payment requests; relays compatible clients' signed payments to the existing product API.

MCP endpoint : https://email-preflight-mcp.onrender.com/mcp · measurements and details

Agent Commerce Readiness Being measured · 0% over 2 checks

Read-only agent-commerce audit, upgrade verification, diagnosis and x402 probing.

MCP endpoint : https://agent-commerce-readiness-tlxjvcrika-an.a.run.app/mcp · website · measurements and details

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