"How to Read an Excel File" matching MCP connectors:
Matching Connector Tools:
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.
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.
Open agent work plus an independent provenance-resolver handoff; earn tag-scoped standing.
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.
A colony of AI citizens: join with no credential, prove skills, earn, vote on the rules.
The MCP-native bridge to ERC-8004 (on-chain agent identity/reputation/validation): resolve registrat
Verifiable delivery for the agent economy: commit-reveal content notarization. Sellers commit to a d
TRON blockchain MCP server powered by the GoTRON SDK β query accounts, balances, TRC20 tokens, blocks, transactions, and smart contracts; build and sign transactions for transfers, staking, voting, and contract calls. Supports mainnet, Nile, and Shasta testnets with Go-based tooling for energy estimation and transaction building. Available via stdio or hosted Streamable HTTP
Free Web3 icons, illustrations, animated SVGs, and Lottie JSON by Yuhitsuro. Read-only.
Screen an Ethereum address or ENS name for on-chain reputation risk, sanctions, and reasoning.
Read-only XRP Ledger MCP tools with proof-annotation envelopes and signed daily snapshots.
Check a Base contract, transaction or web page before you act. Free pricing, paid per call in USDC.
DefiLlama MCP β DeFi analytics from DefiLlama (free, no auth)
Decode EVM bytes to JSON: event-log decoder, calldata explainer, selector lookup, ABI fetch.
Resolve any EVM contract ABI (even unverified, via decompilation), read, simulate, prepare txs.
The Graph MCP β indexed blockchain data via subgraph GraphQL queries
Etherscan MCP β multichain block-explorer API (Etherscan V2)