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MCP Auth Preflight

Official registry Security

Preflight MCP OAuth compatibility with structured evidence and remediation guidance.

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http mcp-auth-preflight 'https://auth.inversolabs.us/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "mcp-auth-preflight": {
            "type": "http",
            "url": "https://auth.inversolabs.us/mcp"
        }
    }
}

Frequently asked questions

What is MCP Auth Preflight?

Preflight MCP OAuth compatibility with structured evidence and remediation guidance.

How do I install MCP Auth Preflight?

It runs as a remote server. In Claude Code: claude mcp add --transport http mcp-auth-preflight 'https://auth.inversolabs.us/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does MCP Auth Preflight need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Who maintains MCP Auth Preflight?

It is published by us.inversolabs. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.