The real catalog of tools for AI agents

One-line x402 + Stripe payment middleware for MCP servers. The Stripe for the agent economy.

Governance middleware for AI agents: permission gates, approvals, compliance scanning, audit ledger.

MCP auth middleware: gate tool calls so only authorized agents can act.

AI safety middleware — detects self-harm and criminal intent in LLM prompts.

Optimization middleware for AI agents: JSON problem in, verified and ranked solutions out.

Credential enforcement middleware for MCP servers — verifies scoped tokens on every tool call

Deterministic B2B Data Middleware. Waterfall parsing for CSV, EDI, SEC & Finance. No hallucinations.

Security middleware for MCP. Blocks prompt injection, PII leakage, and resource exhaustion.

Verify signed x402 payments; treasury-scoped settlement is irreversible.

Free tools: x402 endpoint directory + probe, on-chain x402 demand signal, sudoku, API pricing.

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

Discover x402 APIs by capability, price & trust. Powered by x402Scout.

Preflight x402 payment compatibility with structured risk evidence and remediation guidance.

Measured x402 ecosystem data, facilitator reliability, and live endpoint checks.

Discover and quote x402-paid Base intelligence products.

Paid x402 MCP tool for stress-testing launch and marketing copy before publication.

Calibrated intelligence via x402 (USDC Base). ERC-8004 #84581: 272 payments, 49 wallets.

DeFi yields, staking routing, semantic research & security intel via x402 micro-payments on Base

Discover and call 2,000+ x402 machine-payable services through one graded API key + gateway.

~17 tools; HT packs $50/$100/$150. tools/list free; tools/call USDC Base x402. Not financial advice.