LaunchKit · 2026
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cold-email

Generate hyper-personalized cold email sequences using AI.

4
3.8k downloads
by @bluecraft-ai

Setup & Installation

openclaw skills install @bluecraft-ai/cold-email

Or with the ClawHub CLI, for registry-managed skill folders outside a full OpenClaw workspace:

npx clawhub install cold-email

Version History

v1.0.5Feb 5, 2026 - Version note by skill developer:

Doc and API alignment: email required for leads; clearer errors, limits, and auth. Validation and recovery flow unchanged

What This Skill Does

MachFive generates personalized cold email sequences from lead data by researching each prospect with AI before writing. It supports single-lead sync generation and batch async processing for multiple leads at once. Each lead gets a unique multi-step sequence, not a filled-in template.

Unlike template-based tools, it researches each prospect before writing, so emails reference real company context rather than generic placeholders.

When to use it

  • Drafting personalized outreach for a VP discovered on LinkedIn
  • Processing a list of 50 leads into email sequences overnight
  • Building follow-up sequences for enterprise sales prospects
  • Writing outreach for a product launch targeting a specific job title
  • Generating a cold email for a single high-priority account in real time

Example Workflow

Here's how your AI assistant might use this skill in practice.

INPUT

User asks: Generate a 3-email sequence for John Smith, VP Marketing at Acme Corp, john@acme.com

AGENT
  1. 1Calls GET /api/v1/campaigns to list available campaigns
  2. 2Asks user which campaign to use
  3. 3Posts lead data to POST /api/v1/campaigns/{campaign_id}/generate with email_count set to 3
  4. 4Waits up to 10 minutes for the sync response
  5. 5Returns the 3-step email sequence with subject lines and body copy
OUTPUT

A 3-email outreach sequence personalized to John Smith's role and Acme Corp's context, ready to send

Requirements

Accounts, API keys, or tools you or your AI assistant may need to set up while using this skill.

MachFive account (sign up at machfive.io)MACHFIVE_API_KEY from app.machfive.io/settings under Integrations > API Keys