# Border

> These figures are automated measurements with timestamps. They are not a review, rating, grade, or recommendation.

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

- Status: Up
- Checks passed: 12 of 22
- Uptime: Not measured
- Latency: 83 ms
- Tools: 2
- Last probe: 2026-11-12T19:13:02.838Z
- Publisher: clawhard.com (https://mcpheartbeat.com/p/com.clawhard)
- Endpoint: https://border.clawhard.com/mcp
- Transport: streamable-http

## Tools

Showing 2.

- **border_check_cors**: Use when the user hits a CORS error ("blocked by CORS policy", "No 'Access-Control-Allow-Origin' header", "preflight", "Failed to fetch" from a frontend) or is
- **border_check_cors_headers**: Use when a CORS problem involves a server Border cannot reach (localhost, a dev or staging server, a private network, a custom port) or a POST, PUT, PATCH or DE

## Recent probes

- 2026-11-12T19:13:02.838Z: Connected, 83 ms, 2 tools

## Links

- HTML: https://mcpheartbeat.com/s/com.clawhard/border/status
- Markdown: https://mcpheartbeat.com/s/com.clawhard/border/status.md
- MCP: https://mcpheartbeat.com/mcp
- API: https://mcpheartbeat.com/api/v1/servers
- Tools API: https://mcpheartbeat.com/api/v1/tools
- Server API: https://mcpheartbeat.com/api/v1/health?server=com.clawhard%2Fborder