What is the key difference between MCPSpend and Spanlens?

MCPSpend belongs to the Monitoring category with local stdio execution, while Spanlens belongs to the Monitoring category with local stdio execution.

How do I install MCPSpend or Spanlens in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are MCPSpend and Spanlens free or paid?

MCPSpend operates under a Freemium model (API Key required). Spanlens operates under a Freemium model (API Key required).

Which MCP server has more tools and community activity?

MCPSpend lists 6 tools with 3 views and 93 GitHub stars. Spanlens lists 6 tools with 2 views and 11 GitHub stars.

Can I use both MCPSpend and Spanlens together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

How do I install MCPSpend or Spanlens in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are MCPSpend and Spanlens free to use, or do they require API keys?

MCPSpend is listed under a Freemium model with API Key required . Spanlens operates under a Freemium model with API Key required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both MCPSpend and Spanlens at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both andreisirbu91-lab-mcpspend and spanlens-spanlens-2 as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, MCPSpend has a Quality Score of 55 /100 ( Good ) with 3 views, 0 installs, and 93 GitHub stars. Spanlens holds a Quality Score of 55 /100 ( Good ) with 2 views, 0 installs, and 11 GitHub stars.

Side-by-Side Model Context Protocol Comparison

MCPSpend vs Spanlens

In-depth architectural comparison of the MCPSpend and Spanlens MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

MCPSpend

Monitoring · Local stdio

Quality: 55/100 (Good) | Auth: API Key required

Spanlens

Monitoring · Local stdio

Quality: 55/100 (Good) | Auth: API Key required

Verdict Summary: Choose MCPSpend if you need specialized Monitoring tools running via a local process. Choose Spanlens if your workspace requires Monitoring integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose MCPSpend when:

You need dedicated capabilities in the Monitoring domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Freemium).
You have access to required keys: APP_ENCRYPTION_KEY.
Primary tools included: Auto-detects and proxies MCP clients including Claude Desktop, Cursor, Windsurf, VS Code, and Claud…, Streams usage data to a centralized dashboard at mcpspend.com, Provides usage querying via MCP client tools or HTTP API with bearer token.

Explore MCPSpend Details

Choose Spanlens when:

You need dedicated capabilities in the Monitoring domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Freemium).
You have access to required keys: SPANLENS_API_KEY.
Primary tools included: .

Feature & Specification Comparison

Specification	MCPSpend andreisirbu91-lab Monitoring	Spanlens spanlens Monitoring
Summary	Real-time cost observability for MCP tool calls. Transparent proxy auto-detects every MCP client (Claude Desktop, Cursor, Windsurf, VS Code, Claude Code, Zed, Continue.dev, Cline, Goose) and attributes spend per tool, per project, per end-customer. npx @mcpspend/proxy add install. Free tier 25K calls/month, no card. MIT proxy on npm. EU-hosted, GDPR-ready.	Query your Spanlens LLM observability from any MCP client. 7 read tools for request logs, agent traces, cost stats, anomalies, model-savings, and per-user analytics across OpenAI, Anthropic, and Gemini. Open source, self-hostable. npx -y @spanlens/mcp-server
Category & Scope

Tools & Capabilities Breakdown

MCPSpend Tools (6)

Auto-detects and proxies MCP clients including Claude Desktop, Cursor, Windsurf, VS Code, and Claud…

Streams usage data to a centralized dashboard at mcpspend.com

Provides usage querying via MCP client tools or HTTP API with bearer token

Privacy-focused: no tool arguments or response bodies sent externally

Supports usage export in CSV and Slack notifications

EU-hosted with GDPR compliance and security best practices

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

MCPSpend Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "andreisirbu91-lab-mcpspend": {
      "command": "npx",
      "args": [
        "-y",
        "--yes"
      ],
      "env": {
        "APP_ENCRYPTION_KEY": "YOUR_APP_ENCRYPTION_KEY_HERE"
      }
    }
  }
}

Spanlens Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "spanlens-spanlens-2": {
      "command": "npx",
      "args": [
        "-y",
        "@spanlens/cli"
      ],
      "env": {
        "SPANLENS_API_KEY": "YOUR_SPANLENS_API_KEY_HERE"
      }
    }
  }
}

Frequently Asked Questions

MCPSpend is categorized under Monitoring and uses a local stdio subprocess. In contrast, Spanlens belongs to Monitoring using local stdio subprocess. Select MCPSpend when you need capabilities focused on monitoring and Spanlens when you require tools for monitoring.

More alternatives to MCPSpend More alternatives to Spanlens Monitoring category hub