lead-enrichment

B2B Lead Enrichment MCP API An MCP-native API engineered for AI agents to instantly enrich B2B company profiles with structured firmographic, technographic, and real-time intent data.

Unlike legacy REST APIs that require complex middleware to work with LLMs, this server speaks the Model Context Protocol natively. It allows agents like Claude Desktop, Cursor, and custom agent swarms to discover and call enrichment tools reliably, without hallucinating parameters.

Core Features Comprehensive Data Layers: Extract company size, verified industry, estimated revenue, complete software stack, and actionable buying intent signals.

Built for Agents: Every input parameter is strictly typed and documented with Zod annotations, giving LLMs the exact semantic context they need.

Risk-Free Metered Billing: You are only billed for successful, high-confidence enrichments (Confidence Score > 0.6). Failed queries or low-quality data cost $0.

The enrich_lead Tool The primary tool exposed by this server allows agents to qualify prospects, research companies before calls, or filter lists dynamically.

Inputs domain (string, Required): The target company domain (e.g., stripe.com).

attributes (string array, Optional): Specific data types to fetch (firmographic, technographic, intent, contacts).

requiredFields (string array, Optional): Enforces that specific fields must be present in the response.

Example Agent Response { "companyName": "Stripe, Inc.", "industry": "Fintech", "employeeCount": "5000+", "revenue": "$1B+", "technologies": ["React", "Ruby on Rails", "PostgreSQL", "Kubernetes", "AWS"], "intentSignals": [ "Recently hired 3 Sales VPs in Q2 2026", "Expanding EU operations with new Dublin office" ], "confidenceScore": 0.95, "enrichedAt": "2026-06-19T12:00:00.000Z", "insights": [ "High buying intent: Recently hired multiple sales VPs indicating expansion phase", "Enterprise-grade requirements suggest need for robust security and compliance features" ] }

Tier,Monthly Volume,Price,Overage Free,100 enrichments,$0,N/A Pro,"10,000 enrichments",$49/mo,$0.05 / enrichment Enterprise,Unlimited,Contact Us,Custom

💡 Get an API Key: Visit lead-enrichment-mcp.agent-infra.workers.dev to generate your token on the free tier instantly.

Installation & Configuration

1. Claude Desktop Add this snippet to your claude_desktop_config.json:

{ "mcpServers": { "lead-enrichment": { "command": "npx", "args": ["-y", "@anthropic-ai/mcp-server-lead-enrichment"], "env": { "API_KEY": "YOUR_API_KEY_HERE" } } } }

2. Cursor Navigate to Cursor Settings > Features > MCP and click Add New Server:

Name: lead-enrichment

Type: HTTP

URL: https://lead-enrichment-mcp.agent-infra.workers.dev/mcp

Headers: {"Authorization": "Bearer YOUR_API_KEY_HERE"}

3. VS Code Copilot Create or edit your .vscode/mcp.json:

{ "servers": { "lead-enrichment": { "transport": "streamable-http", "url": "https://lead-enrichment-mcp.agent-infra.workers.dev/mcp", "headers": { "Authorization": "Bearer YOUR_API_KEY_HERE" } } } }

API Reference Production URL: https://lead-enrichment-mcp.agent-infra.workers.dev

MCP Endpoint: POST /mcp (JSON-RPC)

OpenAPI 3.1 Spec: GET /openapi.json

Server Card: GET /.well-known/mcp-server.json

Errors: Fully compliant with RFC 9457 Problem Details.