append-memory

append-memory is a skill for Claude Code, Codex from lexlapax/allbert-assist. It costs 38 tokens per session (211 once invoked), scanned A, original, Apache-2.0.

A memory helper that saves user-approved facts, preferences, or local project notes as Markdown files. It is designed for durable notes rather than temporary conversation context.

In plain words
What is it for?
Use it when a user explicitly asks the assistant to remember a fact, preference, or low-risk personal or project detail.
Why use it?
It keeps approved information available for later work without storing secrets, financial identifiers, or sensitive personal data.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/lexlapax/allbert-assist/append-memory
Any agent
npx skills add lexlapax/allbert-assist --skill append-memory
Clone the repo
git clone --depth 1 https://github.com/lexlapax/allbert-assist

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 append-memory

README.md
[![agentmods](https://agentmods.dev/badge/skills/lexlapax/allbert-assist/append-memory.svg)](https://agentmods.dev/skills/lexlapax/allbert-assist/append-memory)
Your own site
<a href="https://agentmods.dev/skills/lexlapax/allbert-assist/append-memory"><img src="https://agentmods.dev/badge/skills/lexlapax/allbert-assist/append-memory.svg" alt="Measured on agentmods" height="20"></a>
Per session 38 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 211 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00038 $0.00211
Opus 5 $0.00019 $0.00105
Sonnet 5 $0.00008 $0.00042
Haiku 4.5 $0.00004 $0.00021

Measured 4d ago against content hash fa891d7d931a, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

append-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 4d 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.

apps/allbert_assist/priv/skills/append-memory/SKILL.md · 22 lines

What it actually says

Workflow

  1. Confirm the memory is explicit or a low-risk preference/identity heuristic.
  2. Use the append_memory Allbert action for the actual write.
  3. Report the saved markdown category and path.
  4. Do not store secrets, credentials, financial identifiers, or sensitive personal data.
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. 4d ago First seen · 22 lines · 38 tokens per session scan A fa891d7d931a

Subscribe to this mod's changes

append-memory is a skill published in the GitHub repository lexlapax/allbert-assist (11 stars, last pushed 19d ago), licensed Apache-2.0. It adds 38 tokens to every session and 211 once invoked, about $0.0002 per session on Opus 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.

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