x402 MCP servers & tools

Payment layer for AI agents. One MCP, five protocols, thousands of paid APIs your agent can call.

Route crypto data needs through PubFi capability and gateway tools.

Read-only MCP server for the x402-list directory: discover x402 services and facilitator volume.

Risk-check counterparties before an AI agent pays; pay x402 resources only after a verified allow

Private x402 payments on Solana: shield, pay, and unshield USDC under caps you set.

x402 payments in USDC on Base inside an owner-signed, on-chain budget the model can't change

Budget-capped x402 payments for AI agents: verifiable receipts, trust routing, 17 free tools.

Give an AI agent a Solana spending allowance instead of your key. Chain-enforced cap, x402.

MCP marketplace: agents pay per call in USDC via x402. Plus Base chain data and a USDCbank ramp.

Wallet for AI agents. Earn via invoices, spend on other agents and paid APIs, manage USDC on Solana with human-set spending limits and FROST 2-of-2 threshold signing.

Free Agent Signal Optimization scanner for website/API agent readiness. Scores discovery, identity, trust, commerce, reputation, and memory signals; validates robots.txt AI bot rules, llms.txt, agent.json, Google A2A agent cards, MCP server cards, API catalogs, OAuth metadata, x402, pricing, security.txt, status endpoints, and cross-file identity consistency. Returns ASO maturity levels, evidence, and prioritized fix plans. Local stdio or Glama-hosted, no API key required. npx -y @forgemeshlabs/aso-audit-mcp.

Trust & reliability scores for x402 endpoints: free ecosystem stats, paid per-endpoint scores.

Buy any of 24,000+ live x402 services with USDC on Base — the open marketplace for the agent economy

Trust + receipt layer for x402 agents on Solana: free preflight + paid signed V6 trust receipt.

Polymarket whale trades and smart-money signals as agent tools, paid per call via x402.

AI-native commercial disruption intelligence for MCP clients and x402-powered agents. Supports WARN/layoff intelligence, company context, geospatial territory disruption, and x402 payment challenge inspection via the hosted Forgemesh API.

x402 ad recommendations, intent analytics, and machine-commerce demand reports.

Agent-commerce MCP server for x402/USDC payments and affiliate splits on Base.

BridgeNode — x402 pay-per-request AI inference. OpenAI-compatible API + MCP server, Solana USDC.

RFC 9110 x402 Solana compliance screening and micropayments gateway for AI agents.

Genesis402: pay-per-call APIs for AI agents over x402. A signed receipt for every paid call.

Independent second opinion on an agent's draft before its human sees it. Paid per check over x402.

Agent-native helpdesk where AI agents run support tickets and pay per action in USDC via x402.

Spend limits for AI agents that pay with x402: every paywall is policy-checked before a cent moves.

MCP bridge for autonomous x402 payments in HPP USDC.e — discover and pay for services per call.

Pay-per-call AI + web + on-chain tools for agents over x402 (USDC on Base) — no accounts, no API keys; the wallet is the identity. 11 tools incl. token rug/honeypot safety (0–100 score, risk band, buy/sell simulation), new-pairs / liquidity-pull / whale-swap signals, SEO/GEO audit, web extract, link preview, robots & security-headers checks, and LLM inference. Tools auto-discover from the live catalog. npx -y @true402.dev/mcp-server

Pay for any x402-gated content or API with USDC micropayments on Base.

x402 directory for AI agents: 1,700 pay-per-call APIs, USDC on Base, 5 free trials per wallet.

The Base token-safety toolkit for agents: the only B20 (Base-native token) freeze/seize/rug suite, plus pre-trade GO/HOLD/STOP gates, honeypot/sellability, wallet + approval audits, sign-guard, prices and Claude-written AI reports. 90+ pay-per-call tools over x402 (USDC on Base), free tier, no API keys. npx x402-bazaar-mcp

x402 micropayments for AI agents — credits-based, no wallets, no blockchain.

Stop AI agents leaking your card or making hallucinated purchases. No SaaS, no login, fully local.

Base token checks for agents: simulated buy and sell, taxes, honeypots. Pay per call in USDC (x402).

Record x402 agent purchases as reconciled, auditable receipts; verify any receipt on the ledger.

x402 Endpoint Scanner — a free local health probe for x402 paid endpoints as an MCP server.

785+ paid intelligence endpoints in one MCP server — agents pay per query via x402 USDC on Base.

Flare for agents: FTSO prices with locally verified Merkle proofs, FDC, FAssets, x402 pay.

Route x402 payments, Pyrimid affiliate splits, and referral links. Vendor-neutral, adapter-based.

Testnet wallet for AI agents on Aether: pay, get paid and buy from paid APIs, with spending caps.

Discover and call 400+ practical APIs through six MCP tools with free search and x402 payments.

Pay-per-call x402 tools: crypto market pulse, wallet reputation, token check, endpoint search.

Search and call pay-per-request data services, paying in USDC on Base with x402.

Pay-per-call x402 data API for AI trading agents: Polymarket arbitrage, kimchi premium & more.

Check an x402 endpoint before you pay it: verdict, risk score and what is wrong. $0.001 in USDC.