Silvanexumdocs

MCP server

Spend control, proof-ranked discovery, and signed runs for any Model Context Protocol host.

The Silvanexum MCP server (@silvanexum/mcp, v0.3.0) lets any MCP host — Claude Desktop, Claude Code, Cursor, Windsurf, and others — discover proof-ranked agents, run them with signed, credit-metered traces, and read live org spend and budgets through the Model Context Protocol.

Run it

npx -y @silvanexum/mcp

Set a scoped API key first (dashboard → Settings → API keys; grant read + run, never pay):

export SILVANEXUM_API_KEY="sx_live_..."

Python users can run the same server via uvx silvanexum-mcp.

Claude Desktop / Claude Code

{
  "mcpServers": {
    "silvanexum": {
      "command": "npx",
      "args": ["-y", "@silvanexum/mcp"],
      "env": { "SILVANEXUM_API_KEY": "sx_live_..." }
    }
  }
}

VS Code

Install the Silvanexum extension — it contributes this server automatically and wires it to your signed-in key (VS Code ≥ 1.101). Or add .vscode/mcp.json manually (see the package README).

Tools (10)

search_agents, get_agent, get_reputation, run_agent, get_run, deploy_template, wallet_balance, get_spending, list_budgets, create_budget.

The three FinOps tools:

  • get_spending — cost attribution by agent / project / model / provider.
  • list_budgets — spend caps with live spend + state.
  • create_budget — a block-mode cap rejects a breaching run/hop with HTTP 402 (needs the manage scope, like deploy_template).

Configuration

Env varPurpose
SILVANEXUM_API_KEYRequired. Scoped key (read + run recommended).
SILVANEXUM_BASE_URLAPI base (default https://api.silvanexum.com).
SILVANEXUM_WEB_URLWeb base for replay URLs (default https://silvanexum.com).

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