"CAE Key for Electronic Invoicing in Argentina" matching MCP connectors:

Social media analytics, video analysis, and competitor intel for any MCP-compatible AI agent.

Win probabilities for 13 sports: NFL, NBA, soccer, tennis, golf, cricket. No API key, no signup.

Polymarket, Manifold, Metaculus compared: one fair probability per question. No API key needed.

Neutral freight reference + validation layer for AI agents: ADR, HS, UN/LOCODE, freight math

Measured share of answer for 24 crypto and Web3 brands. An open dataset, not an audit of your site.

Measured share of answer for 20 SaaS brands. An open dataset, not an audit of your site.

DXF and PDF/X-4 for AI agents: structured facts, PNG renders, an interactive in-chat viewer.

Read-only MCP server for the OrchestKit docs: full-text search + Markdown fetch. No auth.

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

Analytical memory for AI agents: a real Postgres queried in plain English over MCP. One command.

Independent pre-transaction audit for construction estimates. Free, and every verdict recomputes.

Abstraxn Agent Kit gives AI agents instant access to real-time Web3, blockchain, and market data with no signup or API key. Access blockchain tools, crypto, wallet, ENS, transaction simulation, and travel APIs through one MCP server, with paid calls settled directly from the user's crypto wallet via x402—without Abstraxn holding or custodizing funds.

IPStack MCP Adapter turns IPStack's REST APIs into Model Context Protocol tools so any MCP-compatible client can call them directly in conversation. The first release ships IPStack IP geolocation and security lookups (single IP, caller's IP, and bulk). Additional APILayer services are added by registering them in a single config file, so the catalog grows without client-side changes.

Fetch recent public X/Twitter posts by named handle for monitoring, comparison, OSINT, and research.

Fifteen paid x402 and MPP tools for web data, settlement proof, audits, DeFi, and agent work.

SEC dilution data, live market data, and news for U.S. equities, with point-in-time as-of queries

MCP server for live, sourced Brazilian public data from the official IBGE APIs.

SSRF-safe web intelligence: 4 outcomes, 43 paid x402 tools, 3 free tools and a URL preview.

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

Free real-estate underwriting, no key or account. 6 strategies, stress tests, max offer.