Claude Code Skills·Claude Skills·The open SKILL.md registry for Claude
ClaudSkills / Engineering / backend

Memory And Causal Runtime

Category: Engineering  ·  Sub-category: backend  ·  Last updated:
lang:python
Builds the shared HTTP cross-encoder sidecar skill at .opencode/skills/system-rerank-sidecar/. FastAPI service backed by Qwen3-Reranker-0.6B with sigmoid normalization, asyncio.Lock serialization, three endpoints plus a passing pytest suite.

About this skill (catalog notes)

Memory And Causal Runtime is published as a SKILL.md file in this catalog. The SKILL.md is on the shorter side at about 580 words.

License
MIT
Original author
MichelKerkmeester
Indexed lastmod
Catalog position
Engineering · backend
Indexed related skills
10

How Memory And Causal Runtime fits the catalog

Memory And Causal Runtime sits in the Engineering category under the backend 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

<!-- SPECKIT_TEMPLATE_SOURCE: changelog/phase.md | v1.0 -->

What this skill does

Memory And Causal Runtime 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/memory-and-causal-runtime/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Memory And Causal Runtime 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 119,000+ 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/memory-and-causal-runtime
curl -L https://claudskills.com/skills/memory-and-causal-runtime/SKILL.md \
  -o ~/.claude/skills/memory-and-causal-runtime/SKILL.md

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

Skills live at ~/.claude/skills/memory-and-causal-runtime/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\memory-and-causal-runtime\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.

Frequently asked questions

How do I install the Memory And Causal Runtime Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/memory-and-causal-runtime/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Memory And Causal Runtime skill do?
Builds the shared HTTP cross-encoder sidecar skill at .opencode/skills/system-rerank-sidecar/. FastAPI service backed by Qwen3-Reranker-0.6B with sigmoid normalization, asyncio.Lock serialization, three endpoints plus a passing pytest suite.
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 Memory And Causal Runtime skill?
Use Memory And Causal Runtime 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 Memory And Causal Runtime" or describe the task and let Claude pick). Browse related skills at /category/engineering/.
What is a Claude Code skill and how does the Memory And Causal Runtime 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. Memory And Causal Runtime 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
MichelKerkmeester. (2026). Memory And Causal Runtime [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/memory-and-causal-runtime/
BibTeX
@misc{memory-and-causal-runtime-2026,
  author    = {MichelKerkmeester},
  title     = {Memory And Causal Runtime [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/memory-and-causal-runtime/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

Badge
[![ClaudSkills](https://claudskills.com/badge/memory-and-causal-runtime.svg)](https://claudskills.com/skills/memory-and-causal-runtime/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)
<script>
<script src="https://claudskills.com/embed/memory-and-causal-runtime.js" async></script>
<iframe>
<iframe src="https://claudskills.com/embed/memory-and-causal-runtime.html" width="100%" height="160" frameborder="0" loading="lazy" title="ClaudSkills: Memory And Causal Runtime"></iframe>

Free. No spam. Unsubscribe in one click.

More Engineering skills

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

Browse all Engineering skills → Top 100 skills
Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

Part of Acreator Store — Adam Lankamer's AI tools: PerfectStudio · Ucaption · UTagger · AutoXPoster · TestYourSkills · AutomationFlows · Au Naturel · Telegram @acreatorstore