"Services or tools that don't require a separate API key" matching MCP connectors:

TX/RX/T-R chains, OTA link, radar, PCB filters, patch antennas, stackup, thermal, PDN, compliance.

AI electronics blueprint generator — BOM, wiring, firmware, renders for Arduino/ESP32/RPi.

Find why a UDS flash failed from a CAN trace; decode UDS, ISO-TP and DTCs. No hardware.

Plan and build a physical body for your AI agent: boards, parts list, assembly and pairing.

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-referenceA

so.falcon

Frontier-design reference: file formats, converters, definitions, sensors, companies, design jobs.

Octopart MCP — electronic component search via the Nexar Supply API (GraphQL)

spektralwerk-docs

com.silicann

Documentation for the Spektralwerk spectrometer SCPI API as a streamable HTTP MCP Server