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Agent skill

Auto Memory

by tractorjuice in tractorjuice/arc-kit

This skill should be used when the user asks to 'set up memory', 'create memory files', 'create MEMORY.md', 'set up topic files', 'improve memory organization', 'what should I remember', 'how to…

Custom licenceAuto-check passedKnowledge Management

Install Auto Memory

skills CLI
$ npx skills add tractorjuice/arc-kit --skill auto-memory -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install tractorjuice/arc-kit auto-memory --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/tractorjuice/arc-kit.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/auto-memory .claude/skills/auto-memory && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
auto-memory
GitHub stars
2.3k
Token cost
~1.7k tokens
SKILL.md length
666 words
Files
4 (incl. references)
Skills in repo
9
Repo updated
First seen
Licence
Custom licence

At a glance

This skill should be used when the user asks to 'set up memory', 'create memory files', 'create MEMORY.md', 'set up topic files', 'improve memory organization', 'what should I remember', 'how to…

  • Works in 3 steps: Create the Memory Directory → Create MEMORY.md → Create Topic Files as Needed
  • Asks to set up memory
  • SKILL.md covers Core Architecture, What to Save, Setting Up Auto Memory and Organization Principles, plus 2 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Auto Memory is an agent skill from tractorjuice/arc-kit. This skill should be used when the user asks to 'set up memory', 'create memory files', 'create MEMORY.md', 'set up topic files', 'improve memory organization', 'what should I remember', 'how to structure memory files', 'MEMORY.md is too long', 'what goes in memory vs topic files', 'memory best practices', or wants to establish a persistent knowledge base across Claude Code sessions. Triggers on: memory setup, MEMORY.md, topic files, cross-session knowledge, persistent notes, memory maintenance, memory pruning.

Its SKILL.md is about 1.7k tokens, which your agent loads only when the skill is triggered. The skill folder holds 5 other files, including reference files (for example `examples/MEMORY.md`, `examples/topic-file.md` and `references/patterns.md`).

It sits in Knowledge Management, covering Session handoff and Knowledge bases. It works with Model Context Protocol. The repository describes itself as: The Enterprise Architecture Governance Harness — strategy, architecture, delivery, and assurance using AI coding assistants.

When your agent uses it

  • Asks to set up memory
  • Create memory files
  • Create MEMORY.md
  • Set up topic files

Example prompts

  • “set up memory”
  • “create memory files”
  • “create MEMORY.md”
  • “/auto-memory”

Workflow steps

3 steps, taken from the step headings in SKILL.md.

  1. Create the Memory Directory
  2. Create MEMORY.md
  3. Create Topic Files as Needed

What it can do on your machine

Read from SKILL.md and the folder at commit 9c9a803. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are bash and markdown).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Auto Memory loads about 1.7k tokens when it runs, and up to ~3.3k if it reads all its reference files. Until then it costs about 132 tokens; SKILL.md has 666 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~132
When it runs · the whole SKILL.md, loaded when a task matches
~1.7k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~3.3k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 666 words (~1,653 tokens).

“Use persistent auto memory to retain project knowledge across Claude Code sessions. The memory directory (~/.claude/projects//memory/) stores a concise index file (MEMORY.md) and detailed topic files, creating a structured knowledge base that grows with the project.”

— opening of SKILL.md by tractorjuice, Custom licence
name
auto-memory

Read the full SKILL.md on GitHub

Files

SKILL.md and 3 other files (references) in .claude/skills/auto-memory of tractorjuice/arc-kit.

  • SKILL.md
  • examples/MEMORY.md
  • examples/topic-file.md
  • references/patterns.md

Open the folder on GitHubat commit 9c9a803

Compare with similar skills

Auto Memory next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Auto Memory compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Auto Memory this skilltractorjuice/arc-kit2.3k—~1.7kAutomated safety check: PassCustom licence
Context Mode Indexermksglu/context-mode26k—~328Automated safety check: PassCustom licence
OutlineVortiago/mcp-outline156—~818Automated safety check: PassMIT
Kb Workflowwillynikes2/knowledge-base-server182—~1.1kAutomated safety check: PassMIT
Open Knowledgeinkeep/open-knowledge4.4k—~4.7kAutomated safety check: PassGPL-3.0
Forgetful File StorageScottRBK/forgetful301—~618Automated safety check: PassMIT

Similar skills

  • Context Mode Indexer

    mksglu/context-mode

    Indexes a local file or project directory into context-mode's FTS5 knowledge base so later searches return focused snippets instead of rereading whole files.

    26k GitHub stars~328 tokensUpdated today
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  • Outline

    Vortiago/mcp-outline

    Conventions and efficient workflows for Outline knowledge bases via mcp-outline tools.

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    Use before starting any non-trivial task to search the knowledge base for context, and after completing work to capture findings.

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  • Open Knowledge

    inkeep/open-knowledge

    Authoritative agent-runtime contract for working inside an OpenKnowledge project — a markdown-CRDT knowledge base exposed over MCP.

    4.4k GitHub stars~4.7k tokensUpdated today
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  • Forgetful File Storage

    ScottRBK/forgetful

    Stores screenshots, PDFs, diagrams, fonts and other binary files in the Forgetful knowledge base, with a retrieval-friendly description and an attachment route.

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More from tractorjuice/arc-kit

All 9 skills in this repo

  • Architecture Workflow

    tractorjuice/arc-kit

    Recommends which /arckit: commands to run, and in what order, for a new or in-flight architecture project, from a short triage of sector, project type, current stage and timeline.

    2.3k GitHub stars~2k tokensUpdated today
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  • New Command Docs

    tractorjuice/arc-kit

    This skill should be used when a new ArcKit command has been added and documentation needs updating across the repository.

    2.3k GitHub stars~2.3k tokensUpdated today
    Auto-check passed

  • PR Review Community Overlay

    tractorjuice/arc-kit

    A skill your agent uses when reviewing a PR to tractorjuice/arc-kit that adds or extends a community jurisdictional overlay (e.g.

    2.3k GitHub stars~3.9k tokensUpdated today
    Auto-check passed

  • Release

    tractorjuice/arc-kit

    Cut a new ArcKit release — bump versions in lockstep, regenerate non-Claude formats, validate plugin/marketplace agreement, tag, and push to standalone repos.

    2.3k GitHub stars~3k tokensUpdated today
    Auto-check passed

  • Wardley Mapping

    tractorjuice/arc-kit

    Wardley Mapping reference for a map, a positioning question or a strategic read: value-chain decomposition, evolution stages, OnlineWardleyMaps syntax, gameplay, doctrine and climatic patterns…

    2.3k GitHub stars~5.1k tokensUpdated today
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  • Mermaid Syntax

    tractorjuice/arc-kit

    Mermaid syntax reference for writing or fixing a diagram in an artefact: flowchart, sequence, class, state, ER, Gantt, C4, mindmap, timeline and the other diagram types, node shapes, styling…

    2.3k GitHub stars~1.5k tokensUpdated today
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Works with

Categories

Questions about Auto Memory

What does Auto Memory do?

This skill should be used when the user asks to 'set up memory', 'create memory files', 'create MEMORY.md', 'set up topic files', 'improve memory organization', 'what should I remember', 'how to…. Auto Memory is an agent skill from tractorjuice/arc-kit.md is too long', 'what goes in memory vs topic files', 'memory best practices', or wants to establish a persistent knowledge base across Claude Code sessions.

When should I use Auto Memory?

Auto Memory fits situations like: asks to set up memory; create memory files; create MEMORY.md; set up topic files.

How do I install Auto Memory in Claude Code?

Run `npx skills add tractorjuice/arc-kit --skill auto-memory -a claude-code`. Or copy the skill folder (.claude/skills/auto-memory in tractorjuice/arc-kit) into .claude/skills/auto-memory in your project. Claude Code loads it when a task matches its description.

How do I install Auto Memory in Codex?

Run `npx skills add tractorjuice/arc-kit --skill auto-memory -a codex`. Or copy the skill folder (.claude/skills/auto-memory in tractorjuice/arc-kit) into .agents/skills/auto-memory in your project. Codex loads it when a task matches its description.

Can I use Auto Memory in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add tractorjuice/arc-kit --skill auto-memory -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/auto-memory, .gemini/skills/auto-memory, .github/skills/auto-memory and .opencode/skills/auto-memory in your project.

What does Auto Memory need to run?

SKILL.md names no scripts, command-line tools or credentials: Auto Memory is instructions for the agent only.

Does Auto Memory access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Auto Memory safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Auto Memory use?

Auto Memory has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Auto Memory use?

About 1.7k tokens (SKILL.md is roughly 6.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 1.6k tokens, read only when the agent opens those files.

What are the alternatives to Auto Memory?

Skills that share tags, products or a category with Auto Memory: Context Mode Indexer (mksglu/context-mode, 26k stars), Outline (Vortiago/mcp-outline, 156 stars), Kb Workflow (willynikes2/knowledge-base-server, 182 stars) and Open Knowledge (inkeep/open-knowledge, 4.4k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Auto Memory?

tractorjuice (a GitHub user) maintains it in tractorjuice/arc-kit, which has 2,252 GitHub stars. The repository holds 9 skills in this directory. The repository was last updated on October 7, 2026.

Source: tractorjuice/arc-kit on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.