Memori Long-Term Memory
MemoriLabs/Memori
Connects Claude Code to Memori Cloud for long-term memory, recalling stored context before substantive replies and saving new context afterward.
Generate structured session summaries optimized for future AI agent consumption.
Install Chat Compactor
$ npx skills add aiskillstore/marketplace --skill chat-compactor -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install aiskillstore/marketplace chat-compactor --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/zhanlincui/chat-compactor .claude/skills/chat-compactor && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "chat-compactor" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/zhanlincui/chat-compactor into .claude/skills/chat-compactor/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "chat-compactor", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/aiskillstore/marketplace/tree/main/skills/zhanlincui/chat-compactorType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add aiskillstore/marketplace --skill chat-compactor -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install aiskillstore/marketplace chat-compactor --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/zhanlincui/chat-compactor .agents/skills/chat-compactor && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "chat-compactor" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/zhanlincui/chat-compactor into .agents/skills/chat-compactor/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "chat-compactor", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add aiskillstore/marketplace --skill chat-compactor -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install aiskillstore/marketplace chat-compactor --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/zhanlincui/chat-compactor .cursor/skills/chat-compactor && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "chat-compactor" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/zhanlincui/chat-compactor into .cursor/skills/chat-compactor/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "chat-compactor", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/aiskillstore/marketplace.git --path skills/zhanlincui/chat-compactor--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add aiskillstore/marketplace --skill chat-compactor -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install aiskillstore/marketplace chat-compactor --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/zhanlincui/chat-compactor .gemini/skills/chat-compactor && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "chat-compactor" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/zhanlincui/chat-compactor into .gemini/skills/chat-compactor/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "chat-compactor", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install aiskillstore/marketplace chat-compactorInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add aiskillstore/marketplace --skill chat-compactor -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/zhanlincui/chat-compactor .github/skills/chat-compactor && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "chat-compactor" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/zhanlincui/chat-compactor into .github/skills/chat-compactor/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "chat-compactor", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add aiskillstore/marketplace --skill chat-compactor -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install aiskillstore/marketplace chat-compactor --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/zhanlincui/chat-compactor .opencode/skills/chat-compactor && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "chat-compactor" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/zhanlincui/chat-compactor into .opencode/skills/chat-compactor/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "chat-compactor", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
chat-compactor- GitHub stars
- 430
- Used in
- 1 other repo
- Token cost
- ~867 tokens
- SKILL.md length
- 262 words
- Files
- 2
- Skills in repo
- 1,085
- Repo updated
- First seen
- Licence
- None found
At a glance
Generate structured session summaries optimized for future AI agent consumption.
- Works in 4 steps: Scan conversation for: decisions,… → Identify the "handoff moment" — what… → Generate structured summary using format… → …
- Ending a coding/debugging session
- SKILL.md covers Why This Exists, Output Format, Workflow and Compaction Triggers, plus 3 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Chat Compactor is an agent skill from aiskillstore/marketplace. Generate structured session summaries optimized for future AI agent consumption. Use when (1) ending a coding/debugging session, (2) user says "compact", "summarize session", "save context", or "wrap up", (3) context window is getting long and continuity matters, (4) before switching tasks or taking a break. Produces machine-readable handoff documents that let the next session start fluently without re-explaining.
Its SKILL.md is about 870 tokens, which your agent loads only when the skill is triggered. The skill folder holds 1 other file (for example `skill-report.json`).
It sits in Agent Workflows, covering Session handoff and Context engineering. The repository describes itself as: Security-audited skills for Claude, Codex & Claude Code. One-click install, quality verified.
When your agent uses it
- Ending a coding/debugging session
- User says compact
- Summarize session
- Context window is getting long and continuity matters
Example prompts
- “compact”
- “summarize session”
- “save context”
- “/chat-compactor”
Workflow steps
4 steps, taken from the first numbered list in SKILL.md.
- Scan conversation for: decisions, outcomes, failures, file changes, blockers
- Identify the "handoff moment" — what would a fresh agent need to continue?
- Generate structured summary using format above
- Save to file: session-[topic]-[date].md in project root or /home/claude/sessions/
What it can do on your machine
Read from SKILL.md and the folder at commit 4ac52da. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md (its code samples are markdown).
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Chat Compactor loads about 867 tokens when it runs. Until then it costs about 108 tokens; SKILL.md has 262 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
Without a licence we can't republish the file, so here is its outline and opening line. It has 262 words (~867 tokens).
“Generate structured summaries optimized for AI agent continuity across sessions.”
- name
- chat-compactor
Files
SKILL.md and 1 other file in skills/zhanlincui/chat-compactor of aiskillstore/marketplace.
- SKILL.md
- skill-report.json
Open the folder on GitHubat commit 4ac52da
Used in 1 other repository
We found 1 copy of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in aiskillstore/marketplace, which our catalogue first saw on October 7, 2026.
Compare with similar skills
Chat Compactor next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Chat Compactor this skillaiskillstore/marketplace | 430 | 1 repos | ~867 | Automated safety check: Pass | None | |
| Memori Long-Term MemoryMemoriLabs/Memori | 17k | — | ~2k | Automated safety check: Notes | Custom licence | |
| Planning with FilesOthmanAdi/planning-with-files | 27k | — | ~2.9k | Automated safety check: Pass | MIT | |
| User Thoughts Memorysickn33/agentic-awesome-skills | 47k | 1 repos | ~2.5k | Automated safety check: Pass | MIT | |
| Session Handoff Documentthedotmack/claude-mem | 97k | — | ~1.4k | Automated safety check: Pass | Apache-2.0 | |
| Planning With FilesOthmanAdi/planning-with-files | 27k | — | ~3k | Automated safety check: Pass | MIT |
Similar skills
Planning with Files
OthmanAdi/planning-with-files
Keeps a task plan, findings and progress log in markdown files on disk so long agent tasks survive context resets, with Gemini hooks and helper scripts.
User Thoughts Memory
sickn33/agentic-awesome-skills
Saves a user's project decisions, rules and preferences into a project-local mdbase so later sessions and other agents can recover the intent.
Session Handoff Document
thedotmack/claude-mem
Writes a HANDOFF.md capturing goal, state, files, failed attempts and next steps so a fresh agent session can continue exactly where this one stopped.
Planning With Files
OthmanAdi/planning-with-files
Keeps a task plan, findings and progress log as Markdown files in the project so long multi-step agent work survives context resets.
Harness Engineering
10xChengTu/harness-engineering
Set up and improve harness engineering (AGENTS.md, docs/, lint rules, eval systems, project-level prompt engineering) for AI-agent-friendly codebases.
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Related
Categories
Questions about Chat Compactor
What does Chat Compactor do?
Generate structured session summaries optimized for future AI agent consumption. Chat Compactor is an agent skill from aiskillstore/marketplace. Generate structured session summaries optimized for future AI agent consumption.
When should I use Chat Compactor?
Chat Compactor fits situations like: ending a coding/debugging session; user says compact; summarize session; context window is getting long and continuity matters.
How do I install Chat Compactor in Claude Code?
Run `npx skills add aiskillstore/marketplace --skill chat-compactor -a claude-code`. Or copy the skill folder (skills/zhanlincui/chat-compactor in aiskillstore/marketplace) into .claude/skills/chat-compactor in your project. Claude Code loads it when a task matches its description.
How do I install Chat Compactor in Codex?
Run `npx skills add aiskillstore/marketplace --skill chat-compactor -a codex`. Or copy the skill folder (skills/zhanlincui/chat-compactor in aiskillstore/marketplace) into .agents/skills/chat-compactor in your project. Codex loads it when a task matches its description.
Can I use Chat Compactor in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add aiskillstore/marketplace --skill chat-compactor -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/chat-compactor, .gemini/skills/chat-compactor, .github/skills/chat-compactor and .opencode/skills/chat-compactor in your project.
What does Chat Compactor need to run?
SKILL.md names no scripts, command-line tools or credentials: Chat Compactor is instructions for the agent only.
Does Chat Compactor access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Chat Compactor safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Chat Compactor use?
No licence was found for Chat Compactor or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.
How many tokens does Chat Compactor use?
About 867 tokens (SKILL.md is roughly 3.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Chat Compactor?
Skills that share tags, products or a category with Chat Compactor: Memori Long-Term Memory (MemoriLabs/Memori, 17k stars), Planning with Files (OthmanAdi/planning-with-files, 27k stars), User Thoughts Memory (sickn33/agentic-awesome-skills, 47k stars) and Session Handoff Document (thedotmack/claude-mem, 97k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Chat Compactor?
aiskillstore (a GitHub organization) maintains it in aiskillstore/marketplace, which has 430 GitHub stars. The repository holds 1,085 skills in this directory. The repository was last updated on October 7, 2026.
Source: aiskillstore/marketplace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.