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cas: Skill for Claude Code

.claude/skills/cas-memory-management/SKILL.md

cas-memory-management is a skill for Claude Code from codingagentsystem/cas. It costs 50 tokens per session (218 once invoked), scanned A, original, MIT.

A guide for saving and retrieving persistent project memories, such as conventions, preferences, bug fixes, and architectural decisions.

In plain words
What is it for?
Use it to record important project facts, search stored memories, and mark especially useful memories for future retrieval.
Why use it?
It prevents useful knowledge from being lost between sessions and makes previously learned context available later.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is codingagentsystem/cas's own configuration. It tells Claude Code how to work on cas itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything cas configures →

not rated 177repo 7mo ago A scan 50 tokens original MIT
View source ↗ codingagentsystem/cas codingagentsystem.com
Reuse

Borrowing it

Nothing to install: this file belongs to codingagentsystem/cas. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/codingagentsystem/cas/main/.claude/skills/cas-memory-management/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/codingagentsystem/cas

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for cas-memory-management

README.md
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Your own site
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Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for cas-memory-management

Your own site · 80×15
<a href="https://agentmods.dev/skills/codingagentsystem/cas/cas-memory-management"><img src="https://agentmods.dev/badge/skills/codingagentsystem/cas/cas-memory-management.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 50 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 218 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00050 $0.00218
Opus 5.5 $0.00020 $0.00087
Sonnet 5.5 $0.00010 $0.00044
Haiku 4.5 $0.00005 $0.00022

Measured 2mo ago against content hash 5af3101c28cb, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

cas-memory-management scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.claude/skills/cas-memory-management/SKILL.md · 24 lines

What it actually says

CAS Memory Management

Store memories proactively — don't wait to be asked.

When to Remember

  • After discovering project-specific patterns or conventions
  • After fixing non-trivial bugs (capture root cause + solution)
  • After learning how unfamiliar code works
  • When finding important architectural decisions
  • After resolving configuration or setup issues

Actions

  • Store: mcp__cas__memory action=remember title="..." content="..." entry_type=learning (types: learning, preference, context, observation)
  • Find: mcp__cas__search action=search query="..." doc_type=entry
  • Promote: mcp__cas__memory action=helpful id=<id> — increases priority for future retrieval
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2mo ago First seen · 24 lines · 50 tokens per session scan A 5af3101c28cb

Subscribe to this mod's changes

cas-memory-management is a skill published in the GitHub repository codingagentsystem/cas (177 stars, last pushed 7mo ago), licensed MIT. It adds 50 tokens to every session and 218 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Memory and contextaiai-orchestrationclaudeclicoding-assistantmcp
Related

cas-memory-management compared with skills from other repositories

cas-memory-management next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
cas-memory-managementcodingagentsystem/casSkill1777mo agoMITA50Claude Code
continuous-learningJSK9999/ai-nexusSkill198mo agoApache-2.0B21Claude Code, Codex
byterovercampfirein/byterover-cliSkill4.9k4mo agononeA98Claude Code, Codex
ai-historyjiantao88/ai-historySkill34mo agoMITC52Claude Code
ai-historyjiantao88/ai-historySkill34mo agoMITC64Claude Code, Codex
strategic-compactJSK9999/ai-nexusSkill198mo agoApache-2.0B27Claude Code
mnemonmnemon-dev/mnemonSkill6936d agoApache-2.0A25Claude Code, Codex