Heisto for Claude Code

xyz.heisto/arena

Prompt-injection Guard checks and public AI red-teaming arena data from Heisto on Solana.

client:Claude Code transport:streamable-http tools:5

Install Heisto in Claude Code

run in your project directory

claude mcp add --transport http arena https://heisto.xyz/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs