"Signal" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.
The adaptive health-messaging engine for apps and agents. Federally-sourced. Not medical advice.
Three independent sensors read pre-price Bitcoin flows every 30s and reject almost everything. When they converge, a call is emitted with evidence — and the public rejection funnel proves how often it stays silent. Auditable in one call. Free tier; Pro 50 USD/month or 0.01 USD/query via x402.
Real-time planetary signal engine and Model Context Protocol (MCP) server for autonomous AI agents.
Search and compare attributed recipe records through a public read-only remote MCP endpoint.
Real-time electricity prices for AI agents. 40+ countries, 100+ zones. No auth required.
Deduplicated, entity-resolved funding rounds, acquisitions, and exec moves as MCP tools.
Uphealth Signal turns federally-sourced (CDC/NIH/MedlinePlus) health facts, lists, and tips into agent-callable cued-stream tools. Every cue is provenance-backed, audience-safety-checked, and sequenced on the patient's last response, so your AI health agent never fabricates health content. Free sandbox (Display mode): no PHI, no BAA. Not medical advice.
Real-time electricity price signals for AI agents. Spot prices, cheapest hours, and contract recommendations. 31 countries across Europe and Oceania. No authentication required.
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
SigB (Signal Bureau): maintained, source-traced record of entities and events in your named domain.
AI-operated crypto signal scores for 20 Coinbase USDC pairs. $0.001/call via x402.
Real-time financial intelligence MCP server for crypto public companies. Provides covenant stress analysis, alpha signals, peer ranking, risk distribution, SEC XBRL fundamentals, and daily changes. x402 micropayments on Base USDC. First 5 calls free.
One-to-three-cent spend routing, lead research, token-risk, and agent-tool comparison preflights.
Evidence-backed opportunity intelligence for small businesses, built for authorised AI agents.
Inspect an approved ad account and first-party signal health, then propose policy-gated actions.
Ten machine-readable signals on one public page: the top miss if any, and a receipt we re-verify.
Leading non-price Bitcoin signals over MCP: sovereign, hiring, hashrate. Not financial advice.
Provenance-first DePIN telemetry: 331 live networks + 129 Bittensor subnets, 10,508 series.
Verifiable DePIN telemetry, 457 symbols. Self-onboard: /v1/data-dictionary. $5 free credits.
