Mcp

MCP server · by fidacy

AI Agents npm v0.2.7

Payment firewall for AI agents: a signed, verifiable verdict on every money-moving action.

View source ↗ Generate config for multiple servers More servers

Install

Pin version registry version 0.2.7

npm
npx -y @fidacy/mcp

npm
npx -y @fidacy/mcp@0.2.7

Setup by client

Pick your client — the config below is generated for this server (local stdio). Copy respects the “Pin version” switch above.

claude_desktop_config.json

{
  "mcpServers": {
    "mcp-426": {
      "command": "npx",
      "args": [
        "-y",
        "@fidacy/mcp"
      ],
      "env": {
        "FIDACY_ENGINE_API_KEY": "<YOUR_FIDACY_ENGINE_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "mcp-426": {
      "command": "npx",
      "args": [
        "-y",
        "@fidacy/mcp@0.2.7"
      ],
      "env": {
        "FIDACY_ENGINE_API_KEY": "<YOUR_FIDACY_ENGINE_API_KEY>"
      }
    }
  }
}

Format verified against the official Claude Desktop docs ↗.

terminal

claude mcp add --env FIDACY_ENGINE_API_KEY=<YOUR_FIDACY_ENGINE_API_KEY> mcp-426 -- npx -y @fidacy/mcp

claude mcp add --env FIDACY_ENGINE_API_KEY=<YOUR_FIDACY_ENGINE_API_KEY> mcp-426 -- npx -y @fidacy/mcp@0.2.7

Format verified against the official Claude Code docs ↗.

.cursor/mcp.json

{
  "mcpServers": {
    "mcp-426": {
      "command": "npx",
      "args": [
        "-y",
        "@fidacy/mcp"
      ],
      "env": {
        "FIDACY_ENGINE_API_KEY": "<YOUR_FIDACY_ENGINE_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "mcp-426": {
      "command": "npx",
      "args": [
        "-y",
        "@fidacy/mcp@0.2.7"
      ],
      "env": {
        "FIDACY_ENGINE_API_KEY": "<YOUR_FIDACY_ENGINE_API_KEY>"
      }
    }
  }
}

Format verified against the official Cursor docs ↗.

.vscode/mcp.json

{
  "servers": {
    "mcp-426": {
      "command": "npx",
      "args": [
        "-y",
        "@fidacy/mcp"
      ],
      "env": {
        "FIDACY_ENGINE_API_KEY": "<YOUR_FIDACY_ENGINE_API_KEY>"
      }
    }
  }
}

{
  "servers": {
    "mcp-426": {
      "command": "npx",
      "args": [
        "-y",
        "@fidacy/mcp@0.2.7"
      ],
      "env": {
        "FIDACY_ENGINE_API_KEY": "<YOUR_FIDACY_ENGINE_API_KEY>"
      }
    }
  }
}

Format verified against the official VS Code docs ↗.

mcp_config.json

{
  "mcpServers": {
    "mcp-426": {
      "command": "npx",
      "args": [
        "-y",
        "@fidacy/mcp"
      ],
      "env": {
        "FIDACY_ENGINE_API_KEY": "<YOUR_FIDACY_ENGINE_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "mcp-426": {
      "command": "npx",
      "args": [
        "-y",
        "@fidacy/mcp@0.2.7"
      ],
      "env": {
        "FIDACY_ENGINE_API_KEY": "<YOUR_FIDACY_ENGINE_API_KEY>"
      }
    }
  }
}

Format verified against the official Windsurf docs ↗.

Environment variables

Defined in the server's official registry manifest. Required secrets are shown as <YOUR_…> placeholders in the configs above.

FIDACY_ENGINE_API_KEY secret — Optional: enables signed trust verdicts (assess_action).
FIDACY_MODE — Optional: 'http' for the hosted paid core.

GitHub

⭐ 1 stars · 最近更新于 85 天前 · Apache-2.0 license

These star and push figures are for the shared repository — 2 listings on this site point at the same repository.

About this server

@fidacy/mcp The action firewall for AI agents. A drop in MCP server that gates payment actions against a cryptographically signed mandate before money can move. Non custodial: Fidacy authorizes and proves, it never holds funds. Install once, works in any MCP compatible agent: Claude Code, Claude Des…

Summary from the project README — github.com/lucaslubi/fidacy-mcp

Distributed as npm, listed under AI Agents. Review our MCP security guide before granting access to real data.

Frequently asked questions

What does the Mcp MCP server do?

How do I install Mcp?

Run the install command shown above, then paste the config for your client (Claude Desktop, Claude Code, Cursor, VS Code or Windsurf) into its MCP settings and restart the client.

Is Mcp free to use?

The MCP server itself is free to install. The source is public on https://github.com/lucaslubi/fidacy-mcp. Any third-party service it calls may require its own API key and account.

Which clients support Mcp?

Any MCP-compatible client can use it, including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf and custom agents.

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