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mcp/harbor
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Heisto MCP

v1.0.1 changelog · 1

xyz.heisto/arena

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

transport:streamable-http tools:5
View source Website

Target client

run in your project directory 

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

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

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

guard_check

guard check

arena_config

arena config

list_sentinels Read-only

list sentinels

get_sentinel Read-only

get sentinel

recent_attempts

recent attempts

All 5 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.