cold-outbound-optimizer

Q: What is a Claude Code skill and how does the cold-outbound-optimizer skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. cold-outbound-optimizer is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Sales category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Sales · Sub-category: outreach · Last updated: 2026-05-21

type:audit

Design, analyze, and optimize cold outbound email campaigns for Instantly. Handles end-to-end ICP definition, expert panel scoring (recursive to 90+), sequence copywriting, infrastructure audit, capacity planning, and implementation docs. Use when asked to build cold outbound sequences, optimize cold email, analyze outbound campaigns, build sales sequences, build Instantly sequences, create cold outbound strategies, or design email campaigns. Supports both "start from scratch" and "optimize existing" modes.

What this skill does

cold-outbound-optimizer is a community-contributed Claude Code skill in the outreach sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/outbound-engine/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when asked to build cold outbound sequences, optimize cold email, analyze outbound campaigns, build sales sequences, build Instantly sequences, create cold outbound strategies, or design email campaigns. Supports both "start from scratch" and "optimize existing" modes.

Who uses this skill

The cold-outbound-optimizer Claude Code skill is built for sales development reps, account executives, revenue operations teams, and customer success managers. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 116,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/outbound-engine
curl -L https://claudskills.com/skills/outbound-engine/SKILL.md \
  -o ~/.claude/skills/outbound-engine/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/outbound-engine/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/outbound-engine/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\outbound-engine\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the cold-outbound-optimizer Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/outbound-engine/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the cold-outbound-optimizer skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the cold-outbound-optimizer skill?

Use cold-outbound-optimizer when your Claude Code task falls under the Sales category — specifically in the outreach area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use cold-outbound-optimizer" or describe the task and let Claude pick). Browse related skills at /category/sales/.

What is a Claude Code skill and how does the cold-outbound-optimizer skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. cold-outbound-optimizer is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Sales category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/LazyIsEfficient/agentic-os/blob/HEAD/.claude/skills/outbound-engine/SKILL.md
Author: LazyIsEfficient

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

LazyIsEfficient. (2026). cold-outbound-optimizer [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/outbound-engine/

BibTeX

@misc{outbound-engine-2026,
  author    = {LazyIsEfficient},
  title     = {cold-outbound-optimizer [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/outbound-engine/}
}

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