"3d print" matching MCP connectors:

ECZ-ID Trust MCPA

com.ecocitizenz

Read-only ECZ-ID Business Passport state lookup via the public ECZ-ID Resolver. Reports state only.

Bech32 id hrp shape, value discarded

dRPC Agent Skills

org.drpc.lb

Blockchain RPC via DRPC. Exposes eth_call, eth_getBalance, gas estimation, and other JSON-RPC methods as MCP tools across 100+ blockchains

Signal SprintA

space.manus.signalsprint-mqysbksh

Paid x402 MCP utilities for Base-USDC balances, blocks, gas, HTTPS headers, and agent profile bios.