Instantly.AI Vs OXYGEN Comparison (2026) | Salestools Club
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Side-by-Side Comparison
Instantly.ai logo

Instantly.ai

The gold standard for cold email infrastructure and automation.

VS
OXYGEN logo

OXYGEN

GTM CLI for Claude Code, Codex & MCP agents — run outbound orchestration from your terminal.

Instantly.ai
OXYGEN
API Type
REST
REST
MCP Ready
YES
YES
Free Tier
NO
YES
SDKs
None
TypeScript
Webhooks
YES
YES
Capabilities
Automate Cold Email, Inbox Warmup, Campaign Analytics, Cold Email Outreach
Waterfall Enrichment, Multichannel Sequences, CRM Sync, TAM Building, Signal Monitoring, Outbound Orchestration, Workflow Automation

API & MCP Analysis

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

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

Instantly.ai Starter Prompt

"Claude, check my 'SaaS Founders' campaign in Instantly and pause it if the bounce rate is over 3%."

OXYGEN Starter Prompt

"Claude, use Oxygen to build a TAM of 500 enterprise SaaS companies in the US, waterfall enrich their email contacts, and enroll them in a 6-step cold email sequence."

Support & Guidance

Instantly.ai vs OXYGEN FAQ

01

Which has a better API for AI agents — Instantly.ai or OXYGEN?

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

Can I connect Instantly.ai or OXYGEN to Claude or Cursor?

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

Instantly.ai vs OXYGEN — which is better for sales automation?

It depends on your stack. Instantly.ai is "The gold standard for cold email infrastructure and automation." while OXYGEN is "GTM CLI for Claude Code, Codex & MCP agents — run outbound orchestration from your terminal.". Compare their API capabilities, MCP support, and pricing above to find the right fit for your workflow.

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