Grimoire
Use when the user says 'update context', 'update claude', 'save library', or after significant project changes.
Install
$ agentstack add skill-cwinvestments-memstack-grimoire ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/skill-cwinvestments-memstack-grimoire) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
📖 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)
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: cwinvestments
- Source: cwinvestments/memstack
- License: MIT
- Homepage: https://memstack.pro
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.