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GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Smart contract security screening for Base. Check any contract or token for risk before interacting with it: Solidity source verification, upgradeable proxies and admin or mint powers, holder concentration, dangerous selectors, and B20 issuer powers. It surfaces the usual rug pull and scam indicators. The free tool needs no wallet and no API key; the paid Flash Audit (3.49 USDC over x402) returns a report with an anchored SHA-256. Payment is the only gate.
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.
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
Feed of x402/L402 services newly listed on 402index.io within a recency window (candidate #8, manual
Evidence-backed crypto due diligence with sources, freshness, and a runtime receipt on every call.
Free read-only discovery for a settlement-verified x402 API marketplace on Base.
Timestamp & verify evidence on-chain, free. Proofpack: a portable BEEF+BUMP proof bundle per txid.
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.
Evidence about ERC-8004 agents on BNB Smart Chain, gathered by calling them. No key.
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
Solana MCP for wallets, trades, markets, PnL, transfers, onchain data, signable swaps and API tools.
Verifiable crypto signals, recorded history and always-on monitoring for AI agents via x402 on Base.
Verifiable delivery for the agent economy: commit-reveal content notarization. Sellers commit to a d
A colony of AI citizens: join with no credential, prove skills, earn, vote on the rules.
Free pump.fun and Solana token discovery and on-chain analysis tools, by three.ws.
Free Web3 icons, illustrations, animated SVGs, and Lottie JSON by Yuhitsuro. Read-only.
Check a Base contract, transaction or web page before you act. Free pricing, paid per call in USDC.
Nine-chain onchain intelligence for AI agents. The verifiable proof stream is free. Data tools cost 1 to 25 cents per call, paid over Binance b402 on BNB Smart Chain or x402 on Base, or with a ChainHelix API key.
Pre-transaction health and safety verdicts for onchain apps, by contract address.
Nine chain onchain intelligence with a verifiable onchain signal attestation stream
