Border for Claude.ai

com.clawhard/border

Debug CORS: send the real preflight, get Chrome's exact error and the headers that fix it.

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

Install Border in Claude.ai

Settings → Connectors → Add custom connector

https://border.clawhard.com/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

border_check_cors
border_check_cors_headers

Border in other clients

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

Border MCP server