English Français العربية

First-Call Witness

Official registry Other

Real MCP handshake witness graded per-client, signed expiring receipt.

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 first-call-witness 'https://textforagents.com/products/first-call-latency-witness/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "first-call-witness": {
            "type": "http",
            "url": "https://textforagents.com/products/first-call-latency-witness/mcp"
        }
    }
}

Frequently asked questions

What is First-Call Witness?

Real MCP handshake witness graded per-client, signed expiring receipt.

How do I install First-Call Witness?

It runs as a remote server. In Claude Code: claude mcp add --transport http first-call-witness 'https://textforagents.com/products/first-call-latency-witness/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does First-Call Witness 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 First-Call Witness?

It is published by com.textforagents. 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.