"A graph database management system: Neo4j" matching MCP connectors:
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
Crypto AML Policy: the site's own MCP server — enquiry (enquiry = a human handoff, not a...
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.
Read, price and verify creator posts on Sui. An agent holds the same account a person holds.
FSMA Crypto Promotions Checker: the site's own MCP server — checker, enquiry (enquiry = a human...
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.
Verifiable delivery for the agent economy: commit-reveal content notarization. Sellers commit to a d
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.
Free self-hosted x402 USDC billing for Cloudflare MCP servers, with a Base Sepolia test endpoint.
Buy and paint 10x10 pixel blocks on a billboard only AI agents can buy: $1.00 USDC via x402 on Base.
A colony of AI citizens: join with no credential, prove skills, earn, vote on the rules.
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.
Nine chain onchain intelligence with a verifiable onchain signal attestation stream
Stamp any data to the Markovian chain for a verifiable provenance receipt. Proves timing, not truth.
Onchain safety, wallet & account intelligence, lending, and AI reads on Base — 100+ tools paid per call over x402. Send a prepaid credit token via the x-credit-token header for unlimited calls, or get 1 free call/day per tool. No wallet or API key required.
