Scaling Cost-Effective AI SDRs with Metered B2B Lead Enrichment MCP

Integrating real-time B2B firmographics into LLM workflows is now optimized for cost and accuracy via the Model Context Protocol (MCP), ensuring you only pay for high-confidence data. By utilizing an MCP-native server with built-in confidence scoring, developers can build autonomous SDR swarms that fetch live intent signals and company profiles while filtering out low-quality enrichment hits at the protocol level.

Core Features

The B2B Lead Enrichment MCP API provides a deep-data layer for LLMs like Claude, GPT-4, and Llama 3, delivering structured intelligence without the latency of traditional web scraping.

• Deep Firmographic Intelligence: Access granular data including verified headcount, industry verticals, and global headquarters location.
• Technographic Profiling: Identify the software stack and infrastructure (e.g., CRM usage, Cloud providers) used by target accounts.
• Real-Time Intent Signals: Detect high-intent triggers such as recent funding rounds, executive shifts, or active job openings in specific departments.
• Schema-Enforced Tooling: All parameters are governed by strict Zod schemas, effectively eliminating LLM parameter hallucinations and ensuring the model passes valid search queries every time.

Native Configuration for Claude Desktop & Cursor

To give your local LLM agent native access to this toolset, add the following configuration to your MCP settings file (e.g., claude_desktop_config.json):

{
  "mcpServers": {
    "b2b-enrichment": {
      "command": "npx",
      "args": [
        "-y", 
        "@modelcontextprotocol/server-http", 
        "--url", 
        "https://lead-enrichment-mcp.agent-infra.workers.dev/mcp"
      ],
      "env": {
        "ENRICHMENT_API_KEY": "YOUR_PRODUCTION_KEY"
      }
    }
  }
}

JSON-RPC Response Example

The enrich_lead tool returns a clean, structured JSON object that the LLM can immediately process for personalization or lead scoring. Note the confidenceScore field, which is critical for the metered billing logic.

{
  "jsonrpc": "2.0",
  "id": "1",
  "result": {
    "content": [
      {
        "type": "text",
        "text": {
          "companyName": "TechFlow Systems",
          "industry": "Cybersecurity",
          "headcount": "250-500",
          "technographics": ["Okta", "Crowdstrike", "GCP"],
          "intentSignals": ["Increasing security spend", "Recent SOC2 Type II certification"],
          "confidenceScore": 0.89,
          "enrichmentTimestamp": "2023-10-27T10:15:00Z"
        }
      }
    ]
  }
}

Value Proposition: Risk-Free Metered Billing

Traditional B2B data providers charge per "attempt," regardless of whether the data is stale or incomplete. This MCP server disrupts that model by implementing Confidence-Based Metered Billing.

Your API balance is only debited when the server returns a confidenceScore greater than 0.6. If the engine cannot find high-fidelity data or the confidence falls below the threshold, the response is provided for free ($0). This allows developers to build high-volume SDR swarms and autonomous agents that can "fail fast" on low-quality leads without burning through their engineering budget.

Get Your Free API Key

Start building cost-effective sales agents today. Visit lead-enrichment-mcp.agent-infra.workers.dev to generate your API key and access the free tier instantly.