presign-guard for Claude.ai

io.github.fizzl13/presign-guard

Safe to sign? EVM/Solana/XRPL/Algorand/Stellar txs, permits, tokens; OFAC screen: green/orange/red

client:Claude.ai transport:streamable-http tools:10

Install presign-guard in Claude.ai

Settings → Connectors → Add custom connector

https://presign-guard.fizzl.eu/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

presign_quick_check
token_quick_verdict
injection_quick_check
presign_check
presign_check_explain
token_verdict
wallet_approvals
screen_wallet
injection_check
feedback

presign-guard in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

presign-guard MCP server