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LeadSpark MCP

LeadSpark MCP

by CodeSerg21
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TypeScript
Remote

LeadSpark MCP

Research any company or person from your AI IDE. Get company info, tech stack, contacts, and emails - all without leaving Cursor, Claude Code, or Windsurf.

What it does

LeadSpark is an MCP server that gives your AI agent the ability to research companies and find contacts. Type "research stripe.com" and get back structured company data from 6+ free data sources.

Tools

Tool

Description

Data returned

research_company

Full company enrichment

Name, description, industry, HQ, founded year, employees, tech stack, social links, email provider, hosting

find_contacts

Find people at a company

Names, titles, LinkedIn URLs, probable email addresses

lookup_tech_stack

Detect website technologies

CMS, frameworks, analytics, CDN, hosting, chat tools, payments (60+ fingerprints)

Data sources (all free)

  • Website scraping (meta tags, Schema.org JSON-LD, about pages)

  • DNS/MX records (email provider, hosting detection)

  • SSL certificates (organization name, location)

  • Built-in tech fingerprints (60+ technologies)

  • GitHub API (org data, team members, languages)

  • DuckDuckGo Instant Answers (Wikipedia summaries, company facts)

  • Email pattern detection (first.last@, flast@, etc.)

Related MCP server: BizIntel MCP

Setup

Claude Code

Add to your MCP config (~/.claude.json or project settings):

{
  "mcpServers": {
    "leadspark": {
      "command": "npx",
      "args": ["-y", "leadspark-mcp"]
    }
  }
}

Cursor

Add to .cursor/mcp.json:

{
  "mcpServers": {
    "leadspark": {
      "command": "npx",
      "args": ["-y", "leadspark-mcp"]
    }
  }
}

Windsurf

Add to MCP settings:

{
  "mcpServers": {
    "leadspark": {
      "command": "npx",
      "args": ["-y", "leadspark-mcp"]
    }
  }
}

Optional: Set environment variables for better results

# Higher GitHub API rate limits (5K -> 15K requests/hour)
export GITHUB_TOKEN=your_github_token

# Hunter.io for email verification (50 free lookups/month)
export HUNTER_API_KEY=your_hunter_key

Example output

> research stripe.com

# Stripe, Inc
**Description:** Stripe is a financial services platform...

## Company Info
- Industry: Financial Services
- Headquarters: South San Francisco, California, US
- Founded: 2011
- Employees: 3029+ GitHub followers
- Email Provider: Google Workspace
- Hosting: AWS

## Social Links
- GitHub: https://github.com/stripe

## Tech Stack
- Framework: React, Next.js
- Analytics: Google Analytics
- Payments: Stripe

Development

git clone https://github.com/yourusername/leadspark-mcp
cd leadspark-mcp
npm install
npm run dev

License

MIT

Available Tools

3 tools
find_contactsA

Find key people at a company. Scrapes team/about pages for names, titles, and LinkedIn URLs. Generates probable email addresses using common patterns.

Inputs: query (required).

lookup_tech_stackA

Detect technologies used on a website. Identifies CMS, frameworks, analytics, CDN, hosting, chat tools, payment processors, and more from HTML, headers, and meta tags.

Inputs: query (required).

research_companyA

Research a company by domain or name. Returns company info, tech stack, social links, hosting, email provider, and more. Aggregates data from website scraping, DNS, SSL certificates, GitHub, and DuckDuckGo.

Inputs: query (required).

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

Loading tool schema changelog…

    Deploy Server
    One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

    TDQS

    A3.8/5.0

    Scored across 3 tools

    Disambiguation3/5

    research_company and lookup_tech_stack overlap significantly because research_company already returns tech stack, hosting, and email provider information. find_contacts is clearly distinct, but an agent could easily hesitate between the two company-research tools.

    Naming Consistency5/5

    All tool names follow a consistent verb_noun pattern using lowercase snake_case: research_company, find_contacts, lookup_tech_stack. There is no mixing of conventions or vague verbs.

    Tool Count4/5

    Three tools is a reasonable size for a focused lead-generation server. However, lookup_tech_stack feels somewhat redundant with research_company, so the count is appropriate but not perfectly scoped.

    Completeness3/5

    The core lead-generation workflow is covered: research a company, find contacts, and identify technologies. Obvious gaps remain, such as email verification, lead list management, or exporting results, and the tech-stack lookup is already partially included in research_company.

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