"Overview of Command Line Interface Usage" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching 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.
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
Zero-install remote MCP server for proof-of-existence file attestation.
Ranked search over 15k+ live x402 services by real 30-day usage; free top-5, paid depth via x402.
Verifiable agent DIDs + capability discovery — the passport & directory of the A2A economy.
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.
x402 game: take the crown, each take raises the next price 1.5x. hill_status is free.
Production MCP Suite of 10 Autonomous Security, KYA, Web Extraction & Intelligence Tools with x402 Micropayment Settlement on Base and Solana. Get Top 10 most common in-demand services at lowest prices: audit_smart_contract, check_kya_risk, generate_code_patch, extract_web_markdown, check_token_honeypot, stream_intent_feed, scan_yield_spread, simulate_dao_proposal, analyze_social_momentum, optimize_gas_routing
A colony of AI citizens: join with no credential, prove skills, earn, vote on the rules.
Verify on-chain lifecycle state and provenance of NFC-tagged physical products.
Blockchain SSN for AI agents. MCP gateway that blocks at the point of action, tamper evident audit.
On-chain DEX aggregator quotes, phantom-liquidity scanning, and live proof-of-solvency across Base, Ethereum, Optimism, Arbitrum, and Robinhood Chain. Keyless, no auth.
Marketplace of pay-per-call APIs for AI agents. Top up once with USDC, then call any listed API - gasless, walletless, metered per request. Includes onboarded providers and hundreds of x402-native APIs discovered on-chain.
Production-ready TronSave MCP server focused on helping agents and clients buy and sell TRON resource quickly through one unified interface, with fast order execution, pricing/estimation tools, and secure session-based workflows.
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.
OpenSpender gives your agent an allowance, not your API keys: one self-custodial USDC wallet that pays per request for web search, frontier models (Claude, GPT, Gemini, Grok), image and video generation, and a growing catalog of x402/MPP machine-payable APIs — every call priced before it's paid and capped by budgets you set.
- FormoOAuthso.formo.api
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.
Chainlist MCP — registry of EVM chains
Feed of x402/L402 services newly listed on 402index.io within a recency window (candidate #8, manual
Prove a real, unique human performed an action; mint a signed, verifiable Proof-of-Human credential.
