"An overview or explanation of 思维链 (Chain of Thought)" matching MCP connectors:

Curated, probe-verified directory of paid x402 APIs. Agents check it before spending money.

Connect your AI assistant to Signed and ask about your angel investing in plain English: how the portfolio is doing, what distributions came in this year, what’s sitting in the pitch queue. It's a view into the startups that you've invested in (or are thinking of investing in!)

Funding stress early warning for US money markets from free public data, with an honest backtest.

Ready for a new way to bill pay? Pay any US bill in a snap, right from your AI assistant. Describe or snap a photo of your bill (electric, water, gas, internet, phone, medical, credit card, rent, parking tickets, traffic violations and more) and Papaya reads it, then hands you a secure link to pay by card. Fast, secure, and no juggling twelve logins, with full or partial payments and status updates. Available in the US only. Powered by Papaya (papayapay.com).

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.

An MCP server that audits the fairness of construction and renovation estimates in Japan. Provides fair-price ranges, overcharge detection, and verifiable unit-cost data based on JCCDB (65,729 items, DOI-backed).

Grade any bet against thousands of play-by-play game simulations: win probability, odds, edge.

On-chain stablecoin market cap and Bitcoin institutional holdings data.

Base 主网去中心化支付路由+金库：查 NAV、构造路由支付 calldata、金库存取、绑定引路人分账。存款安全·引路人激励·消费即升值，全部链上可核验。

Document a §1001 sale of dead startup stock, SAFEs, notes, or LLC interests — capital loss records

Read-only tokenized stock data: issuers, chains, contract addresses and corporate actions.

Machine-learning-backed insurance premium estimates from Mylo, comparing 100+ carriers.

Last day to make an offer and still fund inside a Canadian rate hold. Needs the expiry date.

Real-time DEX and on-chain data across 36 blockchains: liquidity pools, token prices, OHLCV, transactions, and cross-chain search. 17 keyless tools.

Keyless prediction-market data across 12 venues plus paper-trading of crypto spot, futures, and PM.

Verified conservation credits matched to agent compute emissions — the conservation flywheel of the

Pay-per-use weather, environment, finance, and on-chain intelligence tools for AI agents via x402.

Quant tools + an NFL fantasy draft assistant for AI agents — Kalshi & Polymarket EV, edge, ADP.

Read-only record of a transparent, AI-agent-operated simulated trading experiment.

Doc search, intent & cross-chain swaps, limit orders, portfolio, spot prices, gas & all APIs.