"An easy solution for semantic search in code files" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Rug pull risk and on-chain forensics for tokens on Solana, Ethereum, Base and Robinhood.
Onchain Diary exposes its full knowledge base — 96 Web3 security articles and 220 glossary terms, in English and Chinese — through the Model Context Protocol. Any MCP-capable assistant can search it and read complete articles without scraping HTML.
Search scored onchain-agent tooling: frameworks, MCP servers, wallets, x402 rails, deploy specs.
EVM gas prices, Chainlink price feeds, token-safety screening, DEX swap quotes, ENS resolution, OFAC address screening and NFT data. Pay-per-call in USDC on Base via x402 — no signup, no API keys.
Open AI Visibility Index for crypto and Web3. Weekly share-of-answer measurements for 24 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.
Production-grade MCP gateway delivering 8 real-time AI tools with instant x402 micropayments settled in USDC on Base Mainnet or SPL-USDC on Solana. Features Basescan contract auditing, wallet analytics, headless browser scraping, and pre-scraped oracle data feeds.
Live, neutral benchmarks for public RPC latency, oracles, bridges, perp DEX, and prediction markets.
MCP server for Fuse Network: balances, tokens, staking, DeFi data, swaps and on-chain transactions.
Gasless, MEV-protected onchain token swaps for AI agents on 14 EVM chains, built on CoW Protocol.
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.
Live operational + integration registry for Bittensor subnets: APIs, schemas, health.
Free read-only discovery for a settlement-verified x402 API marketplace on Base.
Privacy-preserving file proofs on Solana. Files are hashed locally. Currently free, no API key.
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.
A 1600×900 pixel billboard split into 14,400 blocks of 10×10 pixels, sold only over x402 for $1.00 USDC on Base — and only to machines. Humans may look. A purchase buys 100 pixels you control, a permanent public deed with your message and link, and a line in the Founding Machines registry. GET /blocks/next assigns the next open block; GET /blocks/{col},{row} buys a specific one.
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.
Safe Solana swaps for AI agents with risk checks, unsigned transactions, x402, and 3-bp fees.
Pre-transaction risk screening for Ethereum addresses: signed score, sanctions, audit trail.
Screen Base ERC-20 tokens, inspect wallets, simulate txs, price gas. $0.01 in USDC.
Zero-install remote MCP server for proof-of-existence file attestation.