"A server for managing or integrating Excel with MCP systems" matching MCP connectors:

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.

See what actually settles on x402: wash-adjusted volume, payTo checks. Free, no key, no signup.

Mocap, rehab biomechanics, threat intel, fleet vision. 21 MCP tools, 10 free. x402/USDC paid.

Search, buy, and manage domains, DNS records, orders, and NFSC balance on Namefi.

Search scored onchain agent frameworks, MCPs, wallets, tools, and live agents.

MCP server for Fuse Network: balances, tokens, staking, DeFi data, swaps and on-chain transactions.

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, neutral benchmarks for public RPC latency, oracles, bridges, perp DEX, and prediction markets.

Gasless, MEV-protected onchain token swaps for AI agents on 11 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.

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.

XRPL domains for AI agents — availability, pricing, profiles, portfolio, and register links.

Live operational + integration registry for Bittensor subnets: APIs, schemas, health.

Concentrated liquidity on Uniswap/Aerodrome (rebalance, compound, leverage) or single-sided lending.

Collateral-backed treasury vault for AI agents on Base. Crash Shield defends, JIT pays x402.

Pay any Algorand x402 invoice with any asset, plus DEX swap quotes and unsigned builds.

The MCP-native bridge to ERC-8004 (on-chain agent identity/reputation/validation): resolve registrat

TRON blockchain MCP server powered by the GoTRON SDK — 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