Checks the most important factual claims in AI output against live web sources by default.
Connect Remote server
claude mcp add --transport http faultline https://faultline-api.fly.dev/mcp --header "X-API-Key: <X_API_KEY>"
{
"mcpServers": {
"faultline": {
"url": "https://faultline-api.fly.dev/mcp",
"headers": {
"X-API-Key": "<X_API_KEY>"
}
}
}
}
{
"servers": {
"faultline": {
"type": "http",
"url": "https://faultline-api.fly.dev/mcp",
"headers": {
"X-API-Key": "<X_API_KEY>"
}
}
}
}
Settings > Connectors > Add custom connector
URL: https://faultline-api.fly.dev/mcp
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server asks for a key before it lists its tools. Connect it with your own key to see them.
Headers
| Name | Description |
|---|---|
X-API-KeyRequired, secret | Your Faultline API key |
Details
| Endpoint | https://faultline-api.fly.dev/mcp (Streamable HTTP) |
| First published | 5 Nov 2026 |
| Last updated | 5 Nov 2026 |
| Registry name | io.github.nxtg-ai/faultline |
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