Address Poisoning Check for Claude.ai

io.github.devx-agent/address-poisoning-check

Before sending crypto, check the recipient for address poisoning: lookalikes and bad checksums

client:Claude.ai transport:streamable-http runtime:npm tools:2

Install Address Poisoning Check in Claude.ai

Settings → Connectors → Add custom connector

https://address-poisoning-check.nextill-pos.workers.dev/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

check_recipient_lookalike
onchain_check_info

Address Poisoning Check in other clients

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

Address Poisoning Check MCP server