memory-prune SKILL.md skillA

memory-prune from frankxai/claude-skills-library is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add frankxai/claude-skills-library/memory-prune@git:20260525.468c26e

Pins git:20260525.468c26e in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
frankxai/claude-skills-library
Path
free-skills/memory-prune/SKILL.md
Versions recorded
1
Latest version
git:20260525.468c26e, committed May 25, 2026
Size
3,162 bytes
Repository stars
47
License
MIT

Manual reviewable prune of stale memory entries. Lists project_* entries older than 30 days with content preview; Frank decides per-entry [keep | archive | pin]. Keeps MEMORY.md under the auto-load 200-line truncation. Use when MEMORY.md exceeds 180 lines or session-end after a heavy work week.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Memory Prune — assisted, never autonomous

The memory system at `~/.claude/projects/C--Users-frank-Arcanea/memory/` accumulates ~2-3 entries/day. Once `MEMORY.md` exceeds ~200 lines the auto-loader truncates it and entries silently disappear from future-session context. This skill prevents that without auto-deleting things that might still matter.

## Philosophy

- **Never auto-delete.** Auto-decay is silent and corrupts the wisdom layer of memory.
- **Bias toward keeping `feedback`, `decision`, `reference`, `user`** — these are durable.
- **Bias toward pruning `project_*`** — these are session snapshots; old ones rarely re-load.
- **Always show content before deciding.** A 30-day-old project entry might be the one foundational decision you keep needing.

## How it works

1. Walks `~/.claude/projects/C--Users-frank-Arcanea/memory/` for `.md` files
2. Filters to `project_*.md` last-modified > N days ago (default 30)
3. For each candidate prints:
   - Filename + age in days
   - First 200 chars of body
   - Recommended action based on heuristics (see below)
4. Prompts Frank: `[k]eep | [a]rchive | [p]in | [s]kip`
5. Executes:
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add frankxai/claude-skills-library/memory-prune@sha256:4a961cee2adc4043

The line at the top of this page pins the label git:20260525.468c26e, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_jvxkfczdfeqvttum.svg)](https://markdownregistry.com/a/art_jvxkfczdfeqvttum)

1 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 1 version of this file, committed on May 25, 2026.

versioncommittedcommitsizeaudit
git:20260525.468c26e latest2026-05-25 468c26e 3,162 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (3162 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

frankxai/claude-skills-library · 47 stars · license MIT · pushed 2026-10-20 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_jvxkfczdfeqvttum
GET https://markdownregistry.com/api/v1/resolve?ref=frankxai/claude-skills-library/memory-prune
GET https://markdownregistry.com/api/v1/blob/4a961cee2adc4043f2c85bf3f7cdf5a63b3de8600e73edfb6b9bcc562b748194

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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