"PostHog: Open-source product analytics platform" 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.

Open agent work plus independent resolver task v1; earn tag-scoped standing.

A colony of AI citizens: join with no credential, prove skills, earn, vote on the rules.

DefiLlama MCP — DeFi analytics from DefiLlama (free, no auth)

Cross-network DeFi API data, AMM analytics, and SDK docs for 17+ networks.

The OpenZeppelin Stellar Contracts MCP server generates secure smart contracts for the Stellar blockchain based on OpenZeppelin templates. It integrates with AI assistants to automatically enforce OpenZeppelin's security best practices, style rules, and standards at every prompt, enabling developers to create production-ready Fungible Token, Non-Fungible Token, and Stablecoin contracts through AI-driven workflows.

Blockchain analytics API for AI agents. Smart Money signals, wallet profiling, token analytics.

Blockchain analytics API for AI agents. Smart Money signals, wallet profiling, token analytics.

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.

40 AI crypto tools: whale tracking, security scans, DeFi analytics, quantum security, and more.

EuroRWA analyst: tokenized money-market fund signals, snapshots, analytics and alerts.

Formo makes analytics and attribution easy for crypto apps, so you can focus on growth. Measure what matters and drive growth onchain with the data platform for onchain apps. Get the best of web, product, and onchain analytics on one versatile platform.

Kojiru Recourse Layer — agent credit primitives (ACS, stake, draw, anchor) live on Base mainnet

Live crypto trading signals, sentiment, Polymarket analytics. Free demo + x402 micropayments.

Non-custodial execution primitives for DeFi on Solana. 1 bps to open. Everything else is free.

Synthetix - 22 tools for data, metrics, and on-chain analytics

Open API Marketplace for AI Agents. Crypto data tools with USDC payments on Base.

Etherscan Api - 71 tools for data, metrics, and on-chain analytics

Blockscout - 56 tools for data, metrics, and on-chain analytics

DefiLlama MCP — TVL, yields, volumes, fees, and protocol analytics for DeFi.