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Silvanexum

Official registry AI and agents

Spend control for AI agents - cost attribution, budget caps, and signed runs as MCP tools.

Source code

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).

NPM package @silvanexum/mcp
Claude Code 
claude mcp add silvanexum -e 'SILVANEXUM_API_KEY=<your silvanexum_api_key>' -e 'SILVANEXUM_BASE_URL=<SILVANEXUM_BASE_URL>' -- npx -y @silvanexum/mcp@0.4.0
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "silvanexum": {
            "command": "npx",
            "args": [
                "-y",
                "@silvanexum/mcp@0.4.0"
            ],
            "env": {
                "SILVANEXUM_API_KEY": "<your silvanexum_api_key>",
                "SILVANEXUM_BASE_URL": "<SILVANEXUM_BASE_URL>"
            }
        }
    }
}

Environment variables

  • SILVANEXUM_API_KEY required secret A scoped Silvanexum API key (read+run recommended).
  • SILVANEXUM_BASE_URL API base URL (default https://api.silvanexum.com).
PYPI package silvanexum-mcp
Claude Code 
claude mcp add silvanexum -e 'SILVANEXUM_API_KEY=<your silvanexum_api_key>' -- uvx silvanexum-mcp==0.2.0
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "silvanexum": {
            "command": "uvx",
            "args": [
                "silvanexum-mcp==0.2.0"
            ],
            "env": {
                "SILVANEXUM_API_KEY": "<your silvanexum_api_key>"
            }
        }
    }
}

Environment variables

  • SILVANEXUM_API_KEY required secret A scoped Silvanexum API key (read+run recommended).

Frequently asked questions

What is Silvanexum?

Spend control for AI agents - cost attribution, budget caps, and signed runs as MCP tools.

How do I install Silvanexum?

It runs on your machine. In Claude Code: claude mcp add silvanexum -e 'SILVANEXUM_API_KEY=<your silvanexum_api_key>' -e 'SILVANEXUM_BASE_URL=<SILVANEXUM_BASE_URL>' -- npx -y @silvanexum/mcp@0.4.0. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Silvanexum need an API key?

Yes. It expects SILVANEXUM_API_KEY, which you set in its configuration.

Is Silvanexum open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains Silvanexum?

It is published by silvanexum. 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.