Managed Package Development

Q: What is a Claude Code skill and how does the Managed Package Development 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. Managed Package Development is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: General · Sub-category: general-misc · Last updated: 2026-05-21

tool:salesforce

Use when building or maintaining Salesforce first-generation managed packages (1GP) for ISV distribution — covers namespace registration, packaging org structure, PostInstall/UninstallHandler Apex interface, push upgrades, Flow version management, and subscriber org considerations. NOT for second-generation managed packages (2GP), unlocked packages, or AppExchange listing setup.

Security AStatic scan found no risk patternsHow grading works ›

About this skill (catalog notes)

Managed Package Development includes at least one code block. At roughly 1,575 words the SKILL.md is on the longer end of the catalog distribution.

Original author: Pranav Nagrecha
Indexed lastmod: 2026-05-21
Catalog position: General · general-misc
Indexed related skills: 10

How Managed Package Development fits the catalog

Managed Package Development sits in the General category under the general-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.

From the source SKILL.md

This skill activates when a practitioner needs to build or maintain a Salesforce first-generation managed package (1GP) for ISV AppExchange distribution. It covers the packaging org structure, namespace registration, the PostInstall Apex interface, the critical constraint that Flow versions in released packages cannot be deleted, and the differences between the packaging org and patch org model.

What this skill does

Managed Package Development is a community-contributed Claude Code skill in the general-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/managed-package-development/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when building or maintaining Salesforce first-generation managed packages (1GP) for ISV distribution — covers namespace registration, packaging org structure, PostInstall/UninstallHandler Apex interface, push upgrades, Flow version management, and subscriber org considerations. NOT for second-generation managed packages (2GP), unlocked packages, or AppExchange listing setup.

Who uses this skill

The Managed Package Development Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. 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/managed-package-development
curl -L https://claudskills.com/skills/managed-package-development/SKILL.md \
  -o ~/.claude/skills/managed-package-development/SKILL.md

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

Skills live at ~/.claude/skills/managed-package-development/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\managed-package-development\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 Managed Package Development Claude Code skill?

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

What does the Managed Package Development 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 Managed Package Development skill?

Use Managed Package Development when your Claude Code task falls under the General category — specifically in the general 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 Managed Package Development" or describe the task and let Claude pick). Browse related skills at /category/general/.

What is a Claude Code skill and how does the Managed Package Development 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. Managed Package Development is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Author: Pranav Nagrecha

Cite this skill

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

APA

Pranav Nagrecha. (2026). Managed Package Development [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/managed-package-development/

BibTeX

@misc{managed-package-development-2026,
  author    = {Pranav Nagrecha},
  title     = {Managed Package Development [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/managed-package-development/}
}

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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/managed-package-development/#security)

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