ChatCrystal

Name: ChatCrystal Review
Item: ChatCrystal
Rating: 3.1
Author: Aaron Matthews

Skill Development Usable

Works inClaude Code

Usable Scanned — metadata only

Converts scattered AI-assisted coding sessions into searchable, reusable knowledge artifacts.

Crystallize knowledge from AI conversations. Import from Claude Code / Cursor / Codex CLI, summarize with LLM, search by semantics.

Search past Claude conversations for similar bug fixes by semantic meaning
Extract and summarize architecture decisions from coding session transcripts
Build internal knowledge base from AI pair-programming sessions

51 starsApache-2.0 (commercial OK)FreeQuick setup

Usable rating — This tool is functional but has notable gaps. Review the evaluation notes below before deploying.

Why it matters

Converts scattered AI-assisted coding sessions into searchable, reusable knowledge artifacts. Reduces time spent re-explaining context or re-solving similar problems across projects.

Best for

Development teams using Claude/Cursor who need to retain and retrieve solutions from past conversations without manual documentation.

Works in

Claude Code Claude Cowork Claude Chat

Source

https://github.com/ZengLiangYi/ChatCrystal

By ZengLiangYi

How to Get It

Option 1: Claude Desktop App (Code Mode)Click the + button next to the prompt box → Plugins → Add plugin. Search and click Install. Skills work in Claude Code only.

Option 2: Paste into Claude CodeCopy the command below and paste it into your conversation. Claude will install it.

Command

claude plugins install ZengLiangYi/ChatCrystal

Tip: Paste this into a Claude Code conversation. Verify command matches your Claude Code version.

Auto-generated from the tool's public listing — not hands-on verified. Cross-check against the source repo's README before running.

First thing to try

After installing, paste this into Claude:

Help me search past Claude conversations for similar bug fixes by semantic meaning

CostFree

Trust Signals Auto-scanned

Stars51Contributors1Last updated2026-06-27LicenseApache-2.0 (OK for commercial use)Known CVEsNone foundSources: GitHub Advisory Database + OSV.dev · Scanned 2026-07-25 · scanner v1

Reviewer notes

Auto-scanned review. These are observations, not a security certification.

Scored from trust signals (evidence-eval-v1): 51 GitHub stars; 1 contributors; last commit 28d ago; license Apache-2.0.

Things to check

Scanned, not hands-on tested — this entry was auto-scanned from public metadata (GitHub metrics, license, security flags). No reviewer has run it, and no tool-specific limitations have been documented yet.
Single maintainer. Consider the risk if this person stops maintaining the project.

How to evaluate tools before deploying →

Data shown here comes from public APIs and automated scanning. Reviewer notes reflect one person's experience. This is not a security certification or legal recommendation. Always evaluate tools according to your own organization's policies.

Evaluation Scores

Evaluation

Ease of Use

3/5

Versatility

3/5

Reliability

3/5

Security

4/5

Overall score3.15 / 5.00 UsableEvaluatedJul 2026

Scored from trust signals (evidence-eval-v1): 51 GitHub stars; 1 contributors; last commit 28d ago; license Apache-2.0.

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