truestack-project-memory

truestack-project-memory is a skill for Claude Code from adtn0810/truestack. It costs 96 tokens per session (1,643 once invoked), scanned A, original, MIT.

A small set of project notes kept inside a code repository to record facts that the code itself cannot show, such as important decisions, conventions, and known pitfalls.

In plain words
What is it for?
Use it when starting substantial work in a repository, when the project has no memory notes, or when an important convention or lesson needs to be recorded. It helps other development, debugging, planning, and review add-ons work from the same context.
Why use it?
It prevents coding agents from repeatedly rediscovering project-specific context or making the same mistaken assumptions. The notes remain reviewable and travel with the project.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: mentions CLAUDE.md; mentions Claude Code.

Part of the truestack plugin — 23 skills, 8 commands, 2 hooks shipped together

Good fit Use it when starting substantial work in a repository, when the project has no memory notes, or when an important convention or lesson needs to be recorded. It helps other development, debugging, planning, and review add-ons work from the same context.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/adtn0810/truestack/truestack-project-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 adtn0810/truestack --skill truestack-project-memory
Clone the repo
git clone --depth 1 https://github.com/adtn0810/truestack

Made for: Claude Code.

Or install truestack, the plugin that ships this one along with the rest of its 23 skills, 8 commands, 2 hooks.

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 truestack-project-memory

README.md
[![agentmods](https://agentmods.dev/badge/skills/adtn0810/truestack/truestack-project-memory/github.svg)](https://agentmods.dev/skills/adtn0810/truestack/truestack-project-memory)
Your own site
<a href="https://agentmods.dev/skills/adtn0810/truestack/truestack-project-memory"><img src="https://agentmods.dev/badge/skills/adtn0810/truestack/truestack-project-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 truestack-project-memory

Your own site · 80×15
<a href="https://agentmods.dev/skills/adtn0810/truestack/truestack-project-memory"><img src="https://agentmods.dev/badge/skills/adtn0810/truestack/truestack-project-memory.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 96 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,643 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 $0.00096 $0.01643
Opus 5 $0.00048 $0.00822
Sonnet 5 $0.00019 $0.00329
Haiku 4.5 $0.00010 $0.00164

Measured 10d ago against content hash ae2b0c12bc7b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

truestack-project-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 10d 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/truestack-project-memory/SKILL.md · 109 lines

How it starts

The opening of the file, as written. The whole thing — 109 lines — stays where its author put it; the contents beside it link to each section on GitHub.

truestack-project-memory

Memory that lives in the repo, not in the model — committed, portable, and reviewable like code. Before guessing how a project works, read its memory; if it doesn't exist yet, study the repo and build it before doing substantial work. The other skills (truestack-architecture-planning, truestack-backend-development, truestack-root-cause-debugging, truestack-quality-control, truestack-react-frontend, truestack-mcp-integration) all read this first.

When to run

  • First substantial task in a repo, or no memory folder exists → study, then build it before the work.
  • A command, convention, or risk turns out to be wrong or missing.
  • The user asks to set up project memory, onboard the repo, or remember something about the project.

Golden rule: store only what the code can't tell you

Memory captures what isn't derivable from the codebase itself. Do not copy in code patterns, architecture visible in the code, git history, or routine bug fixes — reading the code or git log already gives those. Memory is for the non-obvious: why a decision was made, a convention you can't see, a gotcha that bit you. This keeps memory small and true.

How to build it (study pass)

Derive every fact from the repo — never invent. Inspect package/manifest files, config, scripts, existing tests, CI, and the directory layout. Record only what you can verify; mark genuine unknowns as TODO. Write it in plain, skimmable language (short lines, lists, small tables) so a human reads it as fast as the agent.

Structure

CLAUDE.md              # auto-loaded index. Keep UNDER ~120 lines — adherence drops past
                       # that. Holds: one-line project summary, key commands, the
                       # Principles and Boundaries blocks, the six seed contracts
                       # (references/seed-blocks.md), and pointers to the files below.
.ai/memory/
├── project-profile.md # stack, full commands, code map, conventions, verification strategy
├── architecture.md    # non-obvious decisions + why (ADR-lite)
└── lessons.md         # non-obvious FUNCTIONAL-bug gotchas (one line each), written by truestack-root-cause-debugging

Read the full file on GitHub · 109 lines

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 10d ago First seen · 109 lines · 96 tokens per session scan A ae2b0c12bc7b

Subscribe to this mod's changes

truestack-project-memory is a skill published in the GitHub repository adtn0810/truestack (2 stars, last pushed 2mo ago), licensed MIT. It adds 96 tokens to every session and 1,643 once invoked, about $0.0005 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 2026-08-31.

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