"General Information or Services Related to YAPI" matching MCP connectors:

Teardrop is the native economic layer for AI agents, providing a robust suite of tools for multi-chain portfolio tracking, DeFi yield analysis, and gas estimation. It enables autonomous agents to securely find Web3 data and manage micro-payments on-chain with zero human intervention.

Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.

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.

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.

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

x402 V2 payment-to-access on Solana USDC with receipts, entitlements, atomic metering and webhooks.

Provide AI agents and automation tools with contextual access to blockchain data including balance…

Trust scoring for x402 endpoints — "should my agent pay this?" check_endpoint runs live diligence: x402 spec-compliance probe, price sanity vs market percentiles, payTo wallet on-chain activity (Base), directory presence, infra hygiene. Returns 0-100 score with per-check evidence. compare_price positions any price vs category market data. Pay-per-call via x402: $0.02/call USDC on Base, no account or API key. tools/list free.

Find the cheapest EVM chain across up to 9 networks with savings %. Pay-per-call via x402 on Base.

OpenAI-compatible LLM MCP (7 tools); chat via balance key or x402 USDC on Base

Buy any of 24,000+ live x402 services with USDC on Base — the open marketplace for the agent economy.

77 pay-per-call x402 tools for AI trading & on-chain agents: prices, sniping, perps, RH Chain, MEV

MCP server connecting AI agents to non-custodial staking data across 130+ networks.

Stamp any data to the Markovian chain for a verifiable provenance receipt. Proves timing, not truth.

Post-quantum cryptography (PQC) vulnerability scanner. Detects ECDSA, RSA, AES-128 and other quantum-vulnerable algorithms in GitHub/GitLab/Bitbucket repos and Ethereum smart contracts. Returns risk score 0-100, CBOM (CycloneDX 1.6), and migration paths to NIST FIPS 203/204/205. Free tier: 10 scans/day, no key required.

Decode an SSTV audio recording and anchor its fingerprint and image hash to the Knox event chain.

cc0pedia CC0 database + cc0.company agent services as MCP tools, paid per call via x402 on Base.

Anchor a content-creation event to the Knox chain; returns a C2PA-aligned, FRE 902-shaped bundle.

Instant rug-check for any EVM or Solana token, distilled to one clear 0-10 risk verdict.

Self-authenticating booking-request receipt anchored to the Knox chain; never represents a person.