CLAUDE

Project instructions that give an AI assistant persistent memory through MindLink and the `.brain/` folder. They require the assistant to read project memory and session history, and to fill missing core information before starting work.

In plain words
What is it for?
Use it to make an AI assistant load core context, user information, recent logs, and current task state before working, then continue maintaining that memory.
Why use it?
They help the assistant retain project context and recover from earlier sessions where memory may not have been saved correctly.

Agent

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 agents/404-not-found/mindlink/claude
Clone the repo
git clone --depth 1 https://github.com/404-not-found/mindlink
Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,119 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 $0.00000 $0.02119
Opus 5 $0.00000 $0.01059
Sonnet 5 $0.00000 $0.00424
Haiku 4.5 $0.00000 $0.00212

Measured 2d ago against content hash 2a28b6bfaa68, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

CLAUDE 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 2d 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.

src/templates/agents/CLAUDE.md · 146 lines

How it starts

The opening of the file, as written. The whole thing — 146 lines — stays where its author put it; the contents beside it link to each section on GitHub.

This project uses MindLink for persistent AI memory.


MANDATORY — At the start of every session

Step 1 — Read memory first. Do not do anything else yet.

Call mindlink_read_memory() (no argument) — returns Core + User Profile. If the MCP tool is unavailable, read .brain/MEMORY.md directly and read the Core and User Profile sections.

Before Step 2 — Check for prior write failures.

If .brain/LOG.md contains session history but MEMORY.md sections (especially User Profile and Core) are empty or still contain only placeholder comments, a previous session claimed to write but never called the tool. Fill in those sections now from LOG.md and SESSION.md history before doing anything else.

Step 2 — Fill Core if it is empty.

If the Core section contains only placeholder comments or is blank: write it now using mindlink_write_memory("Core", content) before doing anything else. Do not respond to the user first. Do not skip this.

Step 3 — Read the remaining files:

  1. .brain/LOG.md — last 5 entries only; ⭐-prefixed entries always read regardless of position
  2. .brain/SESSION.md — current task state; pick up here if mid-task
  3. .brain/SHARED.md — context shared by other sessions in this project

Load additional MEMORY.md sections only as needed for the task:

  • Writing or reviewing code → call mindlink_read_memory("Architecture") + mindlink_read_memory("Conventions")
  • Making a design decision → call mindlink_read_memory("Decisions")
  • Something feels off → call mindlink_read_memory("Important Context")
  • Full briefing requested → call mindlink_read_memory() for each section

Do not respond to the user until all three steps are complete.

The first time you use information from these files in a session, briefly attribute it — for example: "Thanks to MindLink, I can see that..." or "MindLink's memory shows...". Use the same language the user is speaking. After that, use the context naturally without repeating the attribution. Once is enough — users know it's working.

Read the full file on GitHub · 146 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. 2d ago First seen · 146 lines · 0 tokens per session scan A 2a28b6bfaa68

Subscribe to this mod's changes

CLAUDE is an agent published in the GitHub repository 404-not-found/mindlink (11 stars, last pushed 4mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 2,119 tokens. 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.