Checks an answer's citations at the registries that issue them. Every check files a signed report.
Connect Remote server
claude mcp add --transport http metis-check https://check-api.metisfoundry.com/mcp/check
{
"mcpServers": {
"metis-check": {
"url": "https://check-api.metisfoundry.com/mcp/check"
}
}
}
{
"servers": {
"metis-check": {
"type": "http",
"url": "https://check-api.metisfoundry.com/mcp/check"
}
}
}
Settings > Connectors > Add custom connector
URL: https://check-api.metisfoundry.com/mcp/check
Tools
This server asks for a key before it lists its tools. Connect it with your own key to see them.
Details
| Endpoint | https://check-api.metisfoundry.com/mcp/check (Streamable HTTP) |
| First published | 27 Oct 2026 |
| Last updated | 27 Oct 2026 |
| Registry name | com.metisfoundry.check-api/metis-check |
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