"Using Claude to Check the Current Weather Without an API Key" matching MCP connectors:

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

Host-owned vacation-rental direct booking via VRP. Signed offers, 0% commission. Not an OTA.

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

Read-only ESPN, Sleeper, and Fantrax fantasy leagues for Claude, ChatGPT, and other AI tools.

Global stock research, ML forecasts, valuation signals, screeners & portfolio tracking in Claude

Crypto compliance MCP: stablecoin-freeze, token security, wallet screening, KYT & oracle verdicts.

Generate PDF/DOCX/XLSX/PPTX from templates+JSON. Convert Office/HTML/MD to PDF. Universal templating

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

Read-only access to your what2post LinkedIn data: posts, profile stats, follower growth and goals.

AI Visibility and Content Intelligence tools for Claude and MCP-compatible agents.

Neutral freight reference layer for AI agents: ADR, HS, airlines, UN/LOCODE, ULDs, freight math

290+ quality-scored API capabilities for AI agents across 27 countries via MCP.

Check if a task runs locally vs cloud. Save money on calls that don't need cloud inference.

MCP-native open-source Notion alternative: read & write pages, databases and kanban boards.

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

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

Verified US local service providers across 10 home-services trades. Ratings, hours, no API key.

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

The adaptive health-messaging engine for apps and agents. Federally-sourced. Not medical advice.

AI-readable directory of local businesses across 8 Southeast Asian cities.