"OpenAI API Documentation" matching MCP connectors:

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

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

Read-only MVR preflight for trust, permission, evidence gaps, and African market-entry readiness.

Bank and lender failure early warning, and whether that stress is reaching firms and households.

Open scientific and engineering knowledge for AI agents: search, evidence, document publishing.

Pay-per-call agent superpowers: media/video gen, product demos, research, GTM, scraping, compute.

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

Free AI-industry intelligence for agents: briefings, regulation tracker & regional lenses

Biorhythm cycles, forecasts, critical days and compatibility for AI agents, one API key.

Real-time electricity prices for AI agents. 40+ countries, 100+ zones. No auth required.

An MCP server that gives any LLM or agent clean YouTube transcripts on demand: a single video, a whole channel, or a playlist, plus AI cleanup of auto-generated captions. API-key auth, credit-based, same backend as the public v1 API. Get a free API key with 25 free credits at youtubetranscriptdownload.com/account.

Search the AI Tool Directory catalog: tool details, status checks (alive/acquired/deceased + cause and date), alternatives, and side-by-side comparisons. Read-only.

Connect Claude, Cursor or any MCP client to AppSigma and let your AI research apps, read reviews and track rankings on its own – no glue code.

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

Docs: https://docs.keenable.ai/mcp-server Keenable is a free, remote MCP server that gives agents access to the web index. Search the web with ranked results and date/site filters, then fetch any indexed page as clean markdown. Works out of the box with no account or API key.

US crime scores, incidents, neighborhood demographics, rent data, and offender search by address.

Validate startup ideas with behavioral evidence — not opinion. Demand Discovery AI™ is a sales-agent MCP that answers founders' questions about the validation framework, the four data-signal categories (Search & attention, Conversation & pain, Adoption & spend, Capital & hiring), the Demand Score™, and the Build/Pivot/Kill verdict™. Includes 7 tools: ask a free-form question, get the validation framework, get product details, explain demand signals, compare validation approaches, get data-source

Real-time electricity prices, carbon intensity, and energy analytics for 41+ zones across Europe, GB, US, and Australia. Query live prices, compare zones, check gas storage, get green scores, and access advanced analytics via MCP.

Pre-reasoned Bitcoin & macro financial briefings for AI agents. Trend signals, regimes, 17 contexts.

SupplyMaven supply chain risk management data including manufacturing, port and airport congestion, border, materials and macro indexes