"Free tools or resources that do not require an API" matching MCP connectors:

Live exit costs by venue, depth concentration, and a sealed calls record that keeps its misses.

See what actually settles on x402: wash-adjusted volume, payTo checks. Free, no key, no signup.

Underwrite real-estate deals: 0-100 scores, cash flow, DSCR, stress tests, max offer. Free, no key.

Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.

Reviewed competitor pricing, offer comparisons, and market-change evidence with x402 payments.

Bank and lender failure early warning, with the validated record served beside every claim.

The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.

Savvly MCP: query fund data, model projections, and compare against alternative retirement products.

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

AgentFeed: 47 tools — our own liquidation tape + tokenized-equity peg data, paid in USDC.

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

530 MCP tools across 561 fintech tools: ChainGraph AP2 decisions, execution_hash. Zero PII.

Taiwan stock market data (TWMD): official-source, point-in-time-safe datasets via read-only tools.

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).

SEC/XBRL issuer intelligence for crypto public companies via MCP, OpenAPI, x402, and MPP.

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.

Deduplicated, entity-resolved funding rounds, acquisitions, and exec moves as MCP tools.

Cross-venue Polymarket+Kalshi arbitrage: resolution mismatch, void risk & settlement divergence.

Tesouro em Foco is a free remote MCP server that brings Brazilian government bond (Tesouro Direto) pricing into AI assistants such as Claude, Cursor, and any MCP-compatible client. The engine implements the Brazilian National Treasury's official pricing methodology — validated against 269,000+ real trades — and covers all retail bond types: fixed-rate (LTN, NTN-F), inflation-linked (NTN-B Principal, NTN-B), and retirement/education bonds (Renda+ and Educa+, NTN-B1).

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).