Grimoire

Community

cwinvestments

grimoire

Use when the user says 'update context', 'update claude', 'save library', or after significant project changes.

Overview

Publisher	cwinvestments
Repository	`memstack`
Skill name	`grimoire`
Stars	425
Forks	45
Bundled files	Instructions only
License	MIT
Links	Skill source Repository Homepage

Markdown instructions
A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.
Works with any LLM
AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.
Self-contained
Everything the model needs lives in the instructions — no extra files to sync.
Open source
Published by cwinvestments on GitHub. Read the source before you install it.

Installation

Install the Grimoire AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

Open the app and go to Plugins → Skills.
Choose "Install from GitHub".
Paste the skill folder URL below and confirm.
https://github.com/cwinvestments/memstack/tree/master/skills/grimoire
Enable the skill in any chat where you want it available.

Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills

git clone --depth 1 https://github.com/cwinvestments/memstack.git /tmp/memstack
mkdir -p .claude/skills
cp -r /tmp/memstack/skills/grimoire .claude/skills/grimoire

Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Grimoire in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Grimoire on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Grimoire is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

Loaded only when it is needed
The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.
Switch models mid-chat
Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

📖 Grimoire: Updating the Knowledge Library

Manage and update CLAUDE.md files across all projects.

Activation

When this skill activates, output:

📖 Grimoire: Updating the knowledge library.

Then execute the protocol below.

Protocol

Identify the target project: use config.json to find the CLAUDE.md path
Read the current CLAUDE.md if it exists
Determine what to update based on the session's work:
- New API endpoints built
- New database tables/migrations
- New pages or components added
- Architecture decisions made
- Environment variables added
- Dependencies installed
Update the CLAUDE.md:
- Keep existing content intact
- Add new entries under the right headings
- Don't duplicate existing entries
- Use consistent formatting
If no CLAUDE.md exists: create one with standard sections:
- Project Overview, Tech Stack, Directory Structure, Key Files
- API Endpoints, Database Schema, Environment Variables, Dev Commands

Inputs

Project name (maps to config.json entry)
What was built/changed this session

Outputs

Updated CLAUDE.md file
Summary of what was added

Example Usage

User: "update claude.md with the CC Monitor stuff"


📖 Grimoire: Updating the knowledge library.

Reading: C:\Projects\AdminStack\CLAUDE.md

Adding to API Endpoints:
  - POST/GET/PATCH/DELETE /api/cc-sessions
  - POST /api/cc-sessions/report

Adding to Database Schema:
  - cc_sessions (020_cc_sessions.sql)

Adding to Environment Variables:
  - CC_MONITOR_API_KEY

CLAUDE.md updated ✓

Level History

Lv.1: Base: CLAUDE.md read/write with section management. (Origin: MemStack v1.0, Feb 2026)
Lv.2: Enhanced: Added YAML frontmatter, activation message, auto-detect what changed. (Origin: MemStack v2.0 MemoryCore merge, Feb 2026)

Frequently asked questions

What does the Grimoire AI skill do?

Use when the user says 'update context', 'update claude', 'save library', or after significant project changes.

Why use Grimoire on TypingMind?

Because you install it once and use it with any model. Grimoire is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Grimoire in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/cwinvestments/memstack/tree/master/skills/grimoire. TypingMind reads its SKILL.md and installs it as a skill you can enable per chat.

Which AI models can use Grimoire?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Grimoire?

As many as you like. As long as a model supports skills, you can use Grimoire with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Grimoire AI skill free?

Yes. It is published on GitHub by cwinvestments under the MIT license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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Overview

Installation

Install in TypingMind

Install in another agent

Use it in TypingMind

Works with any AI model

Skill instructions

📖 Grimoire: Updating the Knowledge Library

Activation

Protocol

Inputs

Outputs

Example Usage

Level History

Frequently asked questions

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