The answer
io.github.CryptoAPIs-io/mcp-signer
Top verified match: it matches your intent, corroborated across multiple registries.
fresh · published 127d ago · verified 2026-07-11tested · static-verifiedsigned passport ✓score 41/100
claude mcp add mcp-signer -- npx -y @cryptoapis-io/mcp-signer
Runners-up
- io.github.Kevthetech143/chain-signer41/100 · weaker match
- io.github.CryptoAPIs-io/mcp-address-history41/100 · weaker match
- io.github.CryptoAPIs-io/mcp-blockchain-fees41/100 · weaker match