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agent4.io

Official registry AI and agents

Build and run grounded business agents over MCP: agents, knowledge bases, skills, Storylines.

Website

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 agent4-io 'https://api.agent4.io/v1/mcp' --header 'X-API-Key: <Your agent4.io tenant API key (console → Settings → Security; shown once at creation).>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "agent4-io": {
            "type": "http",
            "url": "https://api.agent4.io/v1/mcp",
            "headers": {
                "X-API-Key": "<Your agent4.io tenant API key (console → Settings → Security; shown once at creation).>"
            }
        }
    }
}

Frequently asked questions

What is agent4.io?

Build and run grounded business agents over MCP: agents, knowledge bases, skills, Storylines.

How do I install agent4.io?

It runs as a remote server. In Claude Code: claude mcp add --transport http agent4-io 'https://api.agent4.io/v1/mcp' --header 'X-API-Key: <Your agent4.io tenant API key (console → Settings → Security; shown once at creation).>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does agent4.io need an API key?

Yes. It expects X-API-Key, which you set in its configuration.

Who maintains agent4.io?

It is published by io.agent4. 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.