Apollo.io vs Quackback

In-depth architectural comparison of the Apollo.io and Quackback 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 when:

• You need dedicated capabilities in the Customer Data Platforms domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: apollo_mixed_people_api_search, apollo_mixed_companies_search, apollo_people_match.

Explore Apollo.io Details

Choose Quackback when:

• You need dedicated capabilities in the Customer Data Platforms domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: other (Free / Open Source).
• Primary tools included: Search feedback, Triage and update posts, Create and comment on posts.

Explore Quackback Details

Feature & Specification Comparison

Specification	Apollo.io Customer Data Platforms	Quackback QuackbackIO Customer Data Platforms
Summary	Prospect, enrich leads, and manage outreach sequences with Apollo.io.	Open-source customer feedback platform with built-in MCP server. Agents can search feedback, triage posts, update statuses, create and comment on posts, vote, manage roadmaps, merge duplicates, and publish changelogs.
Category & Scope	Customer Data Platforms

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": {
    "apollo-io": {
      "url": "https://mcp.apollo.io/mcp"
    }
  }
}

{
  "mcpServers": {
    "quackbackio-quackback": {
      "url": "https://quackback.io/docs/mcp"
    }
  }
}

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