"Web search without requiring an API key" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Japanese catalog of physical devices AI agents can control: connectivity ratings, APIs, sources.
OPC UA companion spec types, namespace dependencies, and engineering units for AI agents
The hardware truth contract engine for AI engineering agents. Turns raw datasheet PDFs into verified engineering contracts across 16 extraction modules, featuring deterministic spatial document mapping, IPC-compliant PCB footprints, alternate-function matrices, and zero-hallucination mathematical audits.
Frontier-design reference: file formats, converters, definitions, sensors, companies, design jobs.
IC datasheet search: parametric part finding, spec lookup, price comparison — grounded in real PDFs.
Search and review real KiCad and Altium PCB designs: schematics, BOMs, netlists, DRC/ERC.
Octopart MCP — electronic component search via the Nexar Supply API (GraphQL)
Documentation for the Spektralwerk spectrometer SCPI API as a streamable HTTP MCP Server