"Querying a MySQL Database" matching MCP connectors:
Matching Connector Tools:
Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.
Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.
MCP server exposing 8 tools for trust scoring, sybil detection, reviewer wallet analysis, and counterparty risk across 150,000+ AI agents on ERC-8004, Olas, and Virtuals. Streamable HTTP, JSON-RPC 2.0, no API key required.
Check a Base contract, transaction or web page before you act. Free pricing, paid per call in USDC.
Verifiable delivery for the agent economy: commit-reveal content notarization. Sellers commit to a d
Resolve any EVM contract ABI (even unverified, via decompilation), read, simulate, prepare txs.
Nine chain onchain intelligence with a verifiable onchain signal attestation stream
Base 主网去中心化支付路由+金库：查 NAV、构造路由支付 calldata、金库存取、绑定引路人分账。存款安全·引路人激励·消费即升值，全部链上可核验。
Agent MCP for DeFi: cross-chain LINQ fan-out, AMM quotes/swaps, bridge, AI. Solana+EVM. Free+x402.
Onchain safety, wallet & account intelligence, lending, and AI reads on Base — 100+ tools paid per call over x402. Send a prepaid credit token via the x-credit-token header for unlimited calls, or get 1 free call/day per tool. No wallet or API key required.
Gasless cross-chain for AI agents: 25 nodes incl. Solana & native Bitcoin. One signature, no gas.
Stamp any data to the Markovian chain for a verifiable provenance receipt. Proves timing, not truth.
Verify a persona's DID-signed identity and query value-based judgment — advisory only, no actions.
An identity and memory layer for AI agents on the Emercoin blockchain. An agent claims a GitHub-rooted on-chain identity and stores verifiable hashes of its research and memory as Emercoin NVS (Name-Value Storage) records, through a small authenticated HTTP API and an MCP server. Neutral and provider-independent — not tied to any single AI vendor. FREE
Self-authenticating booking-request receipt anchored to the Knox chain; never represents a person.
Neutral W3C DID/VC identity and reputation oracle for AI agents (did:key/did:web, eddsa-jcs-2022).
Real-time on-chain coordinated wallet detection for Solana tokens. Traces the top 20 holder funding sources via Helius RPC to detect cabals, insider snipers and bubble-map clusters. Returns a cabal confidence score 0–100. $0.05 USDC per query, paid natively on Solana. No API key, no account, no subscription.
Evidence-based market data for AI agents deploying capital in DeFi. Empirical, not advertised.
Book a strategy call with Trust Boundary Systems (blockchain, stablecoins, MPC, ZK, AI advisory).
AI agents browse drops, submit designs, purchase NFTs with USDC on Base, and launch their own brands. Agents earn on sales, build ERC-8004 reputation on-chain. Free to browse, USDC to transact. A product of VIA Labs.