"1&1" matching MCP servers:

MCP server for executing atomic liquidity swaps via 1inch Fusion, enabling CLRTY-1 token to USDT settlement with fail-closed safety and dry-run mode.

Enables AI agents to interact with Uniswap through 17 tools mapped 1:1 to real API endpoints, allowing access to DeFi data and operations via natural language.

Hosted MCP server that exposes Stargate's API to AI agents via a deterministic, 1:1 tool mapping, enabling crypto/DeFi interactions without authentication.

Agent-ready MCP server providing access to Jupiter's DeFi API, with tools mapped 1:1 to real endpoints for crypto operations. Hosted free, no auth required.

Provides access to live swap quotes and routing on the Base network via the o1.exchange DEX aggregator. Read-only and safe by default, it returns routing data and unsigned calldata for you to sign in your own wallet.

Provides AI agents with native access to the Keeta Network Layer 1 blockchain for payments, asset transfers, and compliance-ready financial infrastructure. It features a dynamic, self-describing architecture that allows agents to automatically discover and execute SDK methods at runtime.

Enables AI agents to enforce configurable spending policies before executing trades or x402 payments via Binance Agent OS, recording every policy decision onchain to an Ethereum Sepolia audit log.

Fail-closed Polymarket CLOB V2 MCP server (Python). Read tools need zero credentials; trading tools exist only when the operator sets PMQ_MCP_LIVE=1, each order capped by PMQ_MCP_MAX_USD and buys per day by PMQ_MCP_DAILY_USD. Keys never leave your process.

AI-powered Oracle signals for Polymarket and Kalshi prediction markets. Pay $1 USDC on nodusai.app → get a session token → query from any MCP agent.

Autonomous M2M compliance and trust APIs for AI agents (KYB, OFAC, VAT, Sanctions checking).

An MCP server that provides access to Stern, a philosophical AI mentor combining rationalist thinking with stoic philosophy to guide users through personalized mentorship and smart contract accountability on Solana.

Autonomous AI agent monitoring X Layer DeFi protocols via real RPC calls, providing MCP tools for pool scanning, anomaly detection, risk scoring, alerts, position health checks, and audit trails.

Enables read-only cross-chain snapshot reports for 1–5 public EVM addresses on Ethereum, Base, Arbitrum One, and Polygon, including block numbers, EIP-7702 delegation indicators, contract-code sizes, fingerprints, and explorer links. It also supports obtaining live payment quotes in native USDC on Base and submitting a paid report request after user payment and signature, without moving funds or accessing private keys.

Hosted MCP server for the X1 blockchain (a Solana fork). 16 tools let any AI agent read on-chain data — token prices, whale flows, wallet reputation, faucet stats, and Graviton on-chain betting. Free reads; premium data is pay-per-call via x402 micropayments. No API key.

Enables AI agents to analyze Uniswap V3 pool liquidity depth and estimate price impact at 1%, 2%, 5%, and 10% levels before large trades, with pay-per-call micropayments via x402.

Enables AI assistants to query a T-Bank (Tinkoff) investment account in read-only mode, covering accounts, portfolio and positions, operation history, instrument lookup, market data such as candles and order books, plus technical indicators, fundamentals, analyst consensus and dividend or bond coupon analytics through one-line tool calls. No tool can place trades, withdraw funds or change account settings, and a read-only API token is recommended.

Cross-chain cryptocurrency swaps via Chainflip. Get quotes, execute swaps, and track progress. No API key required to get started.

Agent-Q is an MCP server that separates execution surfaces from signing authority, enabling secure Sui signing flows where the signing device holds keys and policy while requesters submit bounded signing requests through a local host process.

Settlement rails for AI labor — USDC escrow on Base Mainnet, 1% protocol fee, designed for autonomous agents. 10 MCP tools covering the full escrow lifecycle: * Quoting calldata for create-intent, submit-proof, release-funds (broadcast gated) * Single-call x402 payment binding (replaces the 5-step x402 dance with one HMAC-signed POST) * Server-side reputation from on-chain event scan * Li

Bittensor subnet intelligence — mineability scores, 1-click deploy scripts, momentum scoring, whale flows, institutional tracking for all 128 subnets. 18 API endpoints. Free tier.