Apollo IO MCP vs PumpGTM MCP server

In-depth architectural comparison of the Apollo IO MCP and PumpGTM MCP server 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.

Which MCP Server Should You Choose?

Choose Apollo IO MCP when:

• You need dedicated capabilities in the Marketing domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
• You have access to required keys: APOLLO_API_KEY.
• Primary tools included: People search with filters for titles, locations, and organizations, People enrichment returning detailed contact and job information, Organization search by keywords, location, and employee ranges.

Explore Apollo IO MCP Details

Choose PumpGTM MCP server when:

• You need dedicated capabilities in the Marketing domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: OAuth 2.0 (Paid Service).

Explore PumpGTM MCP server Details

Feature & Specification Comparison

Specification	Apollo IO MCP louis030195 Marketing	PumpGTM MCP server Marketing
Summary	B2B sales intelligence and prospecting with Apollo.io. Search for prospects, enrich contacts with emails and phone numbers, discover companies by industry and size, and access Apollo's database of 275M+ contacts.	PumpGTM is a hosted MCP server that lets Claude, ChatGPT, Cursor, Codex or any AI agent find buyers showing intent, run LinkedIn, email and X outreach from your own accounts inside each platform's limits, and hand every reply back to a human. Sign in with OAuth; no API key is needed for AI clients. Key tools: get_workspace, find_people, review_people, save_sequence_draft, set_sequence_status, add_leads, list_leads, get_cold_message_examples, reach_post_engagers. Remote URL: https://mcp.pumpgtm.com/mcp (Streamable HTTP, OAuth 2.1 with dynamic client registration). Claude Code: claude mcp add --transport http pumpgtm https://mcp.pumpgtm.com/mcp then claude mcp login pumpgtm. Paid SaaS, plans from $75/month. Docs: https://pumpgtm.com/docs/mcp

Tools & Capabilities Breakdown

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).

{
  "mcpServers": {
    "louis030195-apollo-io-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@louis030195/apollo-io-mcp"
      ],
      "env": {
        "APOLLO_API_KEY": "YOUR_APOLLO_API_KEY_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "pumpgtm-mcp-server": {
      "url": "https://mcp.pumpgtm.com/mcp"
    }
  }
}

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