Clay vs StackSwap: Compare APIs & MCP Support (2026) | Salestools Club
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Side-by-Side Comparison

Clay vs StackSwap

Clay logo

Clay

The universal data enrichment and outbound orchestration platform.

VS
StackSwap logo

StackSwap

Lead enrichment and buyer model training API with free MCP server (32 GTM intelligence tools).

Clay
StackSwap
API Type
REST, CLI
REST
MCP Ready
YES
YES
Free Tier
NO
YES
SDKs
Node.js
None
Webhooks
YES
NO
Capabilities
Waterfall Enrichment, AI-Powered Outbound, Universal Data Connector, B2B Data Enrichment, Workflow Automation, Functions Execution
Lead Enrichment, Tech Stack Detection, ICP Fit Scoring, Buyer Model Training, GTM Stack Intelligence, Vendor Comparison, Pipeline Analysis, Revenue Analysis, Win/Loss Analysis

API & MCP Analysis

For AI-native operators choosing between Clay and StackSwap, the decision comes down to API accessibility and how easily your agent can interface with each tool.

Both Clay and StackSwap support MCP (Model Context Protocol), meaning you can connect either directly to Claude, Cursor, or other AI agents without writing custom integration code.

Clay Starter Prompt

"Set up the Clay plugin by following the steps at github.com/clay-run/agent-plugins, then search my 'Q1 Prospects' table for companies with over $50M in funding and list their founders."

StackSwap Starter Prompt

"Claude, use StackSwap to enrich a batch of leads, score them against my ICP, and rank them by fit for my outbound sequence."

Support & Guidance

Clay vs StackSwap FAQ

01

Which has a better API for AI agents — Clay or StackSwap?

Clay offers an MCP server for direct AI agent integration. StackSwap also offers an MCP server. Check the comparison table above for a full breakdown of SDKs, webhooks, and capabilities.
02

Can I connect Clay or StackSwap to Claude or Cursor?

Yes, both tools have MCP servers that work with Claude, Cursor, and other AI coding agents.
03

Clay vs StackSwap — which is better for sales automation?

It depends on your stack. Clay is "The universal data enrichment and outbound orchestration platform." while StackSwap is "Lead enrichment and buyer model training API with free MCP server (32 GTM intelligence tools).". Compare their API capabilities, MCP support, and pricing above to find the right fit for your workflow.

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