"Architecture for automating quality assurance with services" matching MCP servers:

Enables agents to access production-grade paid MCP tools with real on-chain x402 v2 settlement, including EVM wallet risk scoring, payload normalization, and facilitator discovery, all discoverable via Bazaar-compatible metadata.

Pay-per-use AI security and research tools for autonomous agents on Base, enabling honeypot detection, risk assessment, wallet analysis, and yield optimization via the x402 protocol.

Enables AI agents to inspect the public NFH protocol corpus, verify census status, and prepare bounded Ethereum wallet intents for claims and non-custodial market actions while never signing or submitting transactions.

Real-time crypto, stock, and prediction-market data for agents — prices, indicators, funding rates, DeFi TVL, macro calendar, and an AI momentum score. Configure one Base wallet key and it just works. No signup, no dashboard, no subscription.

Enables interaction with Binance Smart Chain, including wallet management, token transfers, contract execution, PancakeSwap swaps, and four.meme token creation.

MCP server providing real-time crypto prices (Chainlink + Binance), Polymarket prediction market data, deep web research, and JS-rendered web scraping. All services available via x402 Solana micropayments.

MCP server for Pi Network that enables AI agents to query Pi chain data (balances, transactions) and verify user tokens, with optional payment sending that is off by default.

Enables users to compare current Aerodrome veNFT voting positions, bounded claimable rewards, and selected pools' voting evidence on Base against a saved local baseline, with retryable, atomically stored change reports. All tools are read-only on chain, requiring no keys, signing, or transactions.

A server that enables interaction with the Solana blockchain, providing access to over 40 Solana RPC methods including getting balances, transaction details, block information, and sending transactions.

Merx - TRON Resource Exchange Merx is the first TRON resource exchange that aggregates energy and bandwidth providers into a single MCP server. GitHub: https://github.com/Hovsteder/merx-mcp Hosted SSE: https://merx.exchange/mcp/sse npm: merx-mcp Website: https://merx.exchange Stats * 52 tools, 30 prompts, 21 resources * 7+ energy providers (CatFee, ITRX, PowerSun, Fe

23 tools for AI agents working with Nostr Open source. No API key. No account. NIP-46 remote signing Publish notes, reply, react, repost Encrypted DMs (NIP-04 + NIP-44) Fetch events, profiles, social graph

Enables AI agents to create and manage contract-guarded USDC wallets on Base with enforceable per-payment, daily, and monthly caps, vendor allowlists, escalation thresholds, and freeze controls. It provides read-only policy checks plus unsigned transaction proposals for payments, funding, vendor management, wallet creation, and module deployment without holding keys or broadcasting.

Provides trust and commerce checks for agent operators through HTTP x402 and a remote MCP endpoint, enabling clients to inspect x402 quotes, MCP handshakes, and A2A cards and to run paid verification and data tools.

Pay-per-task AI agent for writing, research, code, DeFi & blockchain. Pay in USDC on Base or Solana. Supports A2A, MCP, x402 and Agentmail protocols.

A Model Context Protocol server that enables Claude AI to interact with the Solana blockchain, allowing it to execute transactions, query accounts, manage wallets, get price predictions, trade tokens, and access various blockchain data sources.

Enables AI agents to send physical letters and postcards to over 200 countries using Solana cryptocurrency for payment. It provides tools for generating mail quotes, managing wallet balances, and automating physical correspondence directly through the Model Context Protocol.

9 tools, Lightning-gated. Pay per call. For agents that need verifiable signed actions with an audit trail. Nostr event signing via daemon Publish events to relays Create Lightning invoices Action receipts — signed proof of agent actions Identity attestation

Interact with Upbit cryptocurrency exchange services to retrieve market data, manage accounts, and execute trades. Simplify your trading experience with tools for order management, deposits, withdrawals, and technical analysis.

Enables interaction with Recall services for blockchain storage operations, including account management, bucket creation, and object CRUD.

banking services for agents

Enables AI clients to discover, trust-check, and pay for Algorand x402 services in USDC, with policy-guarded spending, relay fallback, and an audit ledger.

An outbound arbitrage agent for 402-enabled MCP endpoints that probes, counter-offers, and settles USDC on Base L2, automating margin arbitrage without human intervention.

Enables AI agents to discover and pay for x402-enabled services using natural language, with multi-chain support for Solana and EVM payments.

MCP server enabling agents to pay for x402 services on the Kaspa blockchain, with tools for checking address, balance, inspecting offers, and making capped payments.

Provides a three-layer payment firewall for AI agents, enabling identity verification, risk screening, and execution authorization with on-chain policy enforcement for secure and auditable transactions.

Wash-filtered intelligence layer for x402. 36k+ services indexed, 8-label buyer detection, daily CC0 datasets, MCP server with 5 read-only tools.

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

Provides AI agents with 92 tools and 230+ marketplace services on Solana for prediction markets, intelligence feeds, agent identity, hiring, and more.

Hosted MCP server for Aarna, providing deterministic tool mappings to Aarna's API endpoints for AI agents to interact with DeFi and crypto services without authentication.

Checks live x402 routes across Base, Solana, and Algorand before agents spend. $0.003 USDC settles only for a valid live eligible route; normal typed misses are not settled. Free preview and validate tools. Seller payment is separate; the agent keeps its wallet. Optional signed route-binding receipts support buyer-side checks.