Payments agents · Wellknown

Smart contract security screening for Base: check any contract or token for risk before interacting with it. Free on-chain check, paid Flash Audit over x402.

Payments~100%Reporting & Dashboards Contracts & Legal~94%E-commerce Operations~51%

https://colony.automatoncolony.xyz/a2aok 5 min ago

assayMCP serverMCPverified owner

by robertoyanguas-ops

Live

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

Payments~51%

https://assay-207908449630.us-central1.run.app/mcpok 5 min ago

atlas.geosensor.techAgentA2AMCPverified owner

by Geosensor

Live

Dated, signed index of machine-readable capabilities AI agents look for on the open web and do not find. Read-only. Free except one export at $0.02 or €0.02 over x402, with a sample at /free/sample. TESTNET only (Base Sepolia): settlement is on-chain but moves test tokens with no monetary value.

API Access Payments~66%E-commerce Operations~54%

https://atlas.geosensor.techok 5 min ago

ID MANDAT – Registry for AI AgentsMCP serverMCPverified owner

by idmandat

Live

Open registry for AI agents: check who stands behind an agent and what it may do.

Markets & Trading~100%Payments~51%

https://idmandat.com/mcpok 5 min ago

A.U.G.U.R SynapseMCP serverMCPverified owner

by art.maddegen.agent

Live

Solana + pump.fun intel for agents: launch verdicts, token risk, dev/wallet records, smart money.

Payments~89%Contracts & Legal~53%Writing & Editing~51%Markets & Trading~51%

https://agent.maddegen.art/hub/mcpok 5 min ago

DDG Agent ServicesMCP serverMCPverified owner

by daedalusdevelopmentgroup

Live

Pay-per-call x402 gateway for AI agents: 60+ live services. Payment smoke tests, receipts and .tine provenance, agent identity/attestation, web and finance data from $0.001, on-chain Ethereum, robotics authority audits, security scans. USDC on Base.

API Access Payments~100%Pricing & Quotes~100%Markets & Trading~100%Agent Orchestration~100%

https://mcp.daedalusdevelopmentgroup.com/mcppublished 23 d agook 5 min ago

call402 — x402 Agent ServicesMCP serverMCPverified owner

by lgs1520

Live

x402 pay-per-call APIs for agents: web search, wallet/token checks, text structuring.

Payments~100%Markets & Trading~100%Data Extraction~55%Writing & Editing~54%Documentation Lookup~54%

https://call402.com/mcpok 5 min ago

Straelo RelayMCP serverMCPverified owner

by com.straelo

Live

Pay-per-use MCP tools for AI agents: web intelligence, extraction, email validation, DNS/domain intelligence, blockchain analysis, smart-contract calls, payment decisions and DeFi execution intelligence.

Email Payments Markets & Trading Web Search Web Scraping

https://relay.straelo.com/mcpok 5 min ago

Agent Utilities HostedMCP serverMCPverified owner

by dev.workers.agent-utilities.agent-utilities

Live

Free agent toolkit: technical SEO snapshots, sitemap discovery/refresh and reusable Wikipedia collections. Separate local saved-page MCP provides offline section retrieval with source revisions, dates and omissions. No account/key/wallet. Live Reddit unconfigured.

Academic Research Data Extraction~100%Documentation Lookup~100%Payments~100%Identity & Access~100%

https://agent-utilities.agent-utilities.workers.dev/mcp/remoteok 5 min ago

P0 Agent Economy Index MCP serverMCP serverMCPverified owner

by x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev

Live

Remote MCP server (streamable HTTP) of P0 Agent Economy Index. Calling the 44 MCP tools is free. The search and market tools return the top 5; every data tool returns the exact paid request (x402 or MPP) for your input, and the data itself is paid per call on the same host. One tool lists the paid …

News & Feeds~100%Payments~100%E-commerce Operations~100%Markets & Trading~100%Agent Discovery~58%

https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/mcpok 5 min ago

APEX on ArcMCP serverMCPverified owner

by xyz.apexfaucet

Live

Arc for agents: token prices, rug checks (holders, dev pulls), launch exits, free USDC, paid APIs.

Payments~100%Identity & Access~100%Agent Discovery~58%Invoice Processing~53%Contracts & Legal~53%

https://apexfaucet.xyz/api/mcp/arcok 5 min ago

Echo SentimentAgentA2AMCPverified owner

by Echo Sentiment

Live

Real-time XLM (Stellar) + crypto market intelligence for autonomous agents: sentiment, quotes, arbitrage, on-chain pulse, gas, prediction markets and wallet intel. Pay-per-call via x402 in USDC (Base/Solana) or native XLM; free tier, no accounts, no API keys. From $0.01/call.

Payments Pricing & Quotes~100%Markets & Trading Reporting & Dashboards~89%Contracts & Legal~53%

https://api.6766587364.lol/mcpok 5 min ago

Agent Kiosk — 23-in-1 B2A Intelligence, Action & x402 APIMCP serverMCPverified owner

by ralf9090

Live

23-in-1 attested MCP & x402 API: EVM tx simulator, perp funding arbitrage, macro radar, Kalshi/Polymarket arb, DeFi swap calldata & AML.

Security Review~100%Version Control~100%Packages & Dependencies~100%CRM & Sales~100%Payments~100%

https://agent-kiosk.vercel.app/mcpok 5 min ago

Sato Hub — build your onchain agentMCP serverMCPverified owner

by satohub.ai

Live

Everything to build an onchain agent: a daily-refreshed, independently scored library of frameworks, MCP servers, wallets, x402 payment rails, trading venues and deploy specs, plus ready-to-run agent templates, install and key checks, and live agent-economy data. Every record carries a citable URL.…

CI/CD & Deploy~100%Payments~100%Markets & Trading~100%Agent Discovery~100%Packages & Dependencies~96%

https://satohub.ai/api/mcpok 5 min ago

Agent NexusMCP serverMCPverified owner

by app.agentnexus

Live

Agent-native registry to discover APIs, MCP servers and CLIs, with live health checks.

Payments~100%

https://agentnexus.app/api/public/mcpok 5 min ago