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Resource Owners

Category: Engineering  ·  Sub-category: backend  ·  Last updated:
PostgreSQL's ResourceOwner infrastructure — `src/backend/utils/resowner/resowner.c` — the tree of resource-tracking objects that release buffer pins, catcache refs, tuple descriptors, snapshots, plancache refs, DSM segments etc. automatically on transaction/subtransaction/portal boundaries. Loads when the user asks about `CurrentResourceOwner`, `ResourceOwnerCreate`/`ResourceOwnerRelease`, why a subtransaction cleanup didn't free a resource, the callback-based extension API (PG 17+), adding a new resource kind, or debugging "resource owner leak" WARNINGs. Skip when the ask is about MemoryContexts (parallel infrastructure but different lifecycle — see `memory-contexts`) or about locks (separate — `locking`).
Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

Every backend has a tree of ResourceOwner objects. When a scope exits (subtransaction ends, transaction commits, portal closes), its ResourceOwner releases all resources it holds. This is how PG can safely leak buffers, syscache refs, snapshots, plans across many code paths — the cleanup is centralized.

What this skill does

Resource Owners is a community-contributed Claude Code skill in the backend sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/resource-owners/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Resource Owners Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 158,000+ 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/resource-owners
curl -L https://claudskills.com/skills/resource-owners/SKILL.md \
  -o ~/.claude/skills/resource-owners/SKILL.md

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

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

Telegram

📱 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 Resource Owners Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/resource-owners/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Resource Owners skill do?
PostgreSQL's ResourceOwner infrastructure — `src/backend/utils/resowner/resowner.c` — the tree of resource-tracking objects that release buffer pins, catcache refs, tuple descriptors, snapshots, plancache refs, DSM segments etc. automatically on transaction/subtransaction/portal boundaries. Loads when the user asks about `CurrentResourceOwner`, `ResourceOwnerCreate`/`ResourceOwnerRelease`, why a subtransaction cleanup didn't free a resource, the callback-based extension API (PG 17+), adding a new resource kind, or debugging "resource owner leak" WARNINGs. Skip when the ask is about MemoryContexts (parallel infrastructure but different lifecycle — see `memory-contexts`) or about locks (separate — `locking`).
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 Resource Owners skill?
Use Resource Owners when your Claude Code task falls under the Engineering category — specifically in the backend 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 Resource Owners" or describe the task and let Claude pick). Browse related skills at /category/engineering/.
What is a Claude Code skill and how does the Resource Owners 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. Resource Owners is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

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

APA
matejformanek. (2026). Resource Owners [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/resource-owners/
BibTeX
@misc{resource-owners-2026,
  author    = {matejformanek},
  title     = {Resource Owners [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/resource-owners/}
}

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Security scan

Grade A · scanned 2026-07-23 — 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 ›

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Browse all Engineering skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Engineering skills → Top 100 skills
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