"How to work with a vector database" matching MCP servers:

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

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

Enables AI agents to interact with the Vector blockchain (Apex Fusion's UTXO-based L2) for wallet management, transactions, smart contracts, and on-chain AI agent identity management.

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

Generates MCP servers from smart contract ABIs, enabling Claude to interact with any Ethereum contract via natural language commands.

A curriculum that teaches AI agents how to spend their own money. Sixteen lessons from "what is a wallet" to your first x402 purchase. Teacher, not butler — never signs, pays, or holds keys.

Enables AI agents to query entities from Arkiv database chains using a SQL-like filter expression, with pagination and configurable fields.

A comprehensive Model Context Protocol server that enables AI agents to interact with Starknet blockchain, query data, manage wallets, and work with smart contracts.

MCP server enabling AI agents to browse, claim, track, and submit work on the Taskmarket decentralized task marketplace with USDC rewards.

Enables driving a BitRobot-compatible ground robot (e.g., Earth Rover Mini+ or Waveshare UGV) through high-level verbs like move, turn, look, and capture work, with optional on-chain recording of verifiable robotic work.

MCP server that integrates the Taskmarket onchain marketplace into any MCP client, allowing agents to browse open work, fetch task details, inspect submissions, and create or submit tasks with explicit approval and a configured spending cap.

MCP server for Hive Origin that stamps work hashes with dual-signed post-quantum receipt envelopes (ML-DSA-65 + Ed25519) for copyright creation proof, plus queries for proven creators and paginated work history.

mcp server that allows to do actual actions related to solana first version adds knowledge about RPC methods and how to call them

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.

Provides read-only tools to query live Polymarket prediction-market data via the public Gamma API, enabling search, browsing, and detailed market and event information.

Enables AI agents to make pay-as-you-go AI inference requests through x402 with automatic Solana USDC payments, no API keys or registration, while enforcing configurable spending limits.

Enables agents to search and inspect live service offerings, generate x402 payment snippets, and understand blockchain-only balance policies.

MCP server for RugGuard, enabling AI agents to perform pre-trade rug checks on tokens, with paid tools for token scanning and pre-trade verification, and a free metrics resource.

Non-custodial on-chain escrow + AI arbitration for agent-to-agent USDC payments on Base. Seven tools wrap a verified EscrowV1 contract — create, deliver, confirm, dispute, resolve — with read-only introspection if no wallet key is provided.

Let any MCP client issue and verify EU AI Act Article 50 transparency receipts for AI-generated content, anchored to Bitcoin.