"RAG MCP servers with quality validation" matching MCP servers:

Provides secure, audited MCP servers for Kadena blockchain interactions, including Pact smart contract operations, Chainweb API, module deployment, and security scanning.

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

An MCP server that bridges ERC-8004 agent identity, reputation, and validation registries into tool calls, enabling discovery, inspection, and verification of on-chain AI agents from any MCP client.

Enables MCP hosts to access verifiable, decision-grade signals across five domains (hydrology, air quality, agriculture, power grid, shipping, regulatory filing) with pay-per-call in USDC via x402.

Keyless domain planner that connects external agents to ChainWhisper OTC trading on COTI Mainnet, allowing order preparation and validation without private keys.

Provides read-only, real-time access to TON blockchain data including wallet balances, token holdings, transactions, prices, NFTs, DNS resolution, and address validation, without requiring private keys.

MCP server for Stellar: accounts, payments, XDR, Horizon/Soroban RPC, AMM liquidity, SEP anchors, and Soroban operations. Intended for agents and IDE integrations with strict validation and normalized errors.

Facilitates interaction with the Bitcoin network via the Model Context Protocol, enabling key generation, address validation, transaction decoding, and blockchain data retrieval.

MCP server for querying historical and real-time crypto market data across Hyperliquid, Hyperliquid HIP-3, and Lighter.xyz - orderbooks, trades, candles, funding, open interest, liquidations, and data quality metrics.

Enables existing MCP clients to access paid MCP servers by signing x402 payments locally and proxying tool calls, with automatic line management, retries, and spend limits.

A monorepo of MCP servers for Manifest Network and Cosmos SDK chains, enabling natural language interaction with on-chain queries, transactions, lease operations, and provider management.

A TypeScript library that lets you build MCP servers whose tools charge stablecoins per call and AI agents that pay for those tools automatically via the Machine Payments Protocol on Tempo.

HTTP 402 paywall middleware for MCP servers. XRPL/RLUSD native settlement, Phase 3 compliance receipts, zero API keys required.

Enables remote MCP servers to request wallet approvals, signatures, and transactions through an approval URL while keeping private keys in the user's browser wallet.

A local MCP proxy that connects to remote MCP servers and automatically handles x402 payments, signing USDC on-chain when a tool returns HTTP 402.

Auto-generates MCP servers for Celo smart contracts, converting contract ABIs into AI-callable tools.

Drop-in middleware for MCP servers that lets AI agents autonomously pay for tool access on XRPL/Xahau using the x402 protocol.

Provides comprehensive access to Binance Futures API endpoints for account management, real-time market data retrieval, and order execution. It supports 17 essential trading tools including position tracking, smart ticker caching, and risk management functionality.

MCP servers that give AI agents safe, auditable access to Pact 5 development on Kadena Chainweb, including REPL testing, gas estimation, and Chainweb node interactions.

A set of MCP servers that provide AI agents with safe, composable access to web3 market data and trading, featuring read-only intelligence and execution modes with SIM/PAPER/LIVE safeguards.