Memory

Memory is a skill for Claude Code, Codex from llaa33219/casabot. It costs 14 tokens per session (1,455 once invoked), scanned A, original, Apache-2.0.

A manual for agents that explains how to save and retrieve important notes separately from automatically preserved conversation logs.

In plain words
What is it for?
Writing, updating, and querying agent memory, while leaving the original conversation history unchanged.
Why use it?
It prevents agents from treating raw session history as editable notes and provides a place to keep useful information for later work.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions subagents.

Good fit Writing, updating, and querying agent memory, while leaving the original conversation history unchanged.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/llaa33219/casabot/memory
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add llaa33219/casabot --skill memory
Clone the repo
git clone --depth 1 https://github.com/llaa33219/casabot

Made for: Claude Code, Codex.

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 Memory

README.md
[![agentmods](https://agentmods.dev/badge/skills/llaa33219/casabot/memory/github.svg)](https://agentmods.dev/skills/llaa33219/casabot/memory)
Your own site
<a href="https://agentmods.dev/skills/llaa33219/casabot/memory"><img src="https://agentmods.dev/badge/skills/llaa33219/casabot/memory/github.svg" alt="Measured on agentmods" height="20"></a>

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 Memory

Your own site · 80×15
<a href="https://agentmods.dev/skills/llaa33219/casabot/memory"><img src="https://agentmods.dev/badge/skills/llaa33219/casabot/memory.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 14 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,455 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 $0.00014 $0.01455
Opus 5.5 $0.00006 $0.00582
Sonnet 5.5 $0.00003 $0.00291
Haiku 4.5 $0.00001 $0.00145

Measured 1mo ago against content hash ca89f6ab6d59, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

Memory 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 1mo 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.

skills/memory/SKILL.md · 246 lines

How it starts

The opening of the file, as written. The whole thing — 246 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Memory

This manual explains the difference between History and Memory, and guides agents on how to write and query memos.


1. Difference between History and Memory

CasAbot has two storage systems. Make sure to use them correctly.

History — Conversation Logs

Item Description
Path ~/casabot/history/
Format JSON
Author System (auto-saved)
Editable ❌ Read-only
Purpose Raw logs of entire conversations
Contents User input, agent responses, tool call results, etc.

Memory — Agent Memos

Item Description
Path ~/casabot/memory/
Format Markdown (.md)
Author Agents (written directly)
Editable ✅ Freely editable
Purpose Record important information, learning outcomes, analysis results, etc.
Contents Things agents need to remember

Core Principles

  • Never modify History. It is preserved as the original conversation log.
  • Memory is freely written, modified, and deleted by agents. It is a space for organizing important information.
  • When important information comes up in conversation, record it in Memory.

2. Memory File Location

~/casabot/memory/
├── 2024-01-15-project-analysis.md
├── 2024-01-16-server-setup.md
├── user-preferences.md
├── frequently-used-commands.md
└── ...

3. Writing Rules

Filename Rules

  • With date (recommended): YYYY-MM-DD-topic.md — Record at a specific point in time
  • Without date: topic.md — Continuously updated record
  • Use alphanumeric characters and hyphens (-)
  • Use hyphens instead of spaces

File Format

All memory files are written in Markdown (.md) format.

Recommended Content Structure

# Title

- **Author**: agent name
- **Date**: YYYY-MM-DD
- **Tags**: #keyword1 #keyword2

## Summary
One or two line summary of key content

## Details
Detailed content...

## Related Items
- Related memory filenames
- Related conversation IDs

Read the full file on GitHub · 246 lines

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. 1mo ago First seen · 246 lines · 14 tokens per session scan A ca89f6ab6d59

Subscribe to this mod's changes

Memory is a skill published in the GitHub repository llaa33219/casabot (4 stars, last pushed 8mo ago), licensed Apache-2.0. It adds 14 tokens to every session and 1,455 once invoked, about $0.0001 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 2026-08-31.

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