Sales Lettergrowth

Q: What is a Claude Code skill and how does the Sales Lettergrowth 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. Sales Lettergrowth 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: sales-misc · Last updated: 2026-06-20

Lettergrowth platform help — free newsletter cross-promotion directory with 1,300+ newsletters searchable by category, subscriber count, and recency for finding swap partners. Use when you can't find newsletters to cross-promote with, looking for newsletters in your niche that are open to swaps, cross-promotion outreach messages aren't getting replies, unsure how to evaluate a cross-promotion partner's audience fit, or trying to decide between Lettergrowth and alternatives like Collab Match or Beehiiv Boosts for finding swap partners. Do NOT use for general audience growth strategy (use /sales-audience-growth), newsletter monetization (use /sales-newsletter), or paid recommendation networks like SparkLoop (use /sales-sparkloop).

Security AStatic scan found no risk patternsHow grading works ›

About this skill (catalog notes)

Sales Lettergrowth includes worked examples. The SKILL.md runs to about 896 words, in the catalog's typical mid-range.

Original author: sales-skills
Indexed lastmod: 2026-06-20
Catalog position: Sales · sales-misc
Indexed related skills: 10

How Sales Lettergrowth fits the catalog

Sales Lettergrowth sits in the Sales category under the sales-misc sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

What this skill does

Sales Lettergrowth is a community-contributed Claude Code skill in the sales-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/sales-lettergrowth/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when you can't find newsletters to cross-promote with, looking for newsletters in your niche that are open to swaps, cross-promotion outreach messages aren't getting replies, unsure how to evaluate a cross-promotion partner's audience fit, or trying to decide between Lettergrowth and alternatives like Collab Match or Beehiiv Boosts for finding swap partners. Do NOT use for general audience growth strategy (use /sales-audience-growth), newsletter monetization (use /sales-newsletter), or paid recommendation networks like SparkLoop (use /sales-sparkloop).

Who uses this skill

The Sales Lettergrowth 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 146,000+ 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/sales-lettergrowth
curl -L https://claudskills.com/skills/sales-lettergrowth/SKILL.md \
  -o ~/.claude/skills/sales-lettergrowth/SKILL.md

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

Skills live at ~/.claude/skills/sales-lettergrowth/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\sales-lettergrowth\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 Sales Lettergrowth Claude Code skill?

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

What does the Sales Lettergrowth 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 Sales Lettergrowth skill?

Use Sales Lettergrowth when your Claude Code task falls under the Sales category — specifically in the sales misc 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 Sales Lettergrowth" or describe the task and let Claude pick). Browse related skills at /category/sales/.

What is a Claude Code skill and how does the Sales Lettergrowth 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. Sales Lettergrowth 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/sales-skills/sales/blob/HEAD/skills/sales-lettergrowth/SKILL.md
Author: sales-skills

Cite this skill

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

APA

sales-skills. (2026). Sales Lettergrowth [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/sales-lettergrowth/

BibTeX

@misc{sales-lettergrowth-2026,
  author    = {sales-skills},
  title     = {Sales Lettergrowth [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/sales-lettergrowth/}
}

Embed this skill

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Badge

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Security scan

Grade A · scanned 2026-07-06 — free static scan against the OWASP Agentic Skills Top 10.

No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›

✓ Prompt injection
✓ Data exfiltration
✓ Supply chain
✓ Reverse shell
✓ Credentials
✓ Execution
✓ Filesystem
✓ Persistence
✓ Obfuscation
✓ Network

Show this grade on your repo (click to copy):

[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/sales-lettergrowth/#security)

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Browse all Sales skills → Top 100 skills

Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills. · What's New · Install guide · About · llms.txt

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