MCP Server Builder
anthropics/skills
Guides the design and implementation of Model Context Protocol servers in TypeScript or Python, from tool naming and error messages to evaluation.
Analyzes conversation transcripts to extract user corrections, patterns, and preferences, then proposes skill improvements.
No licenceAuto-check passed
Install Reflect
$ npx skills add haddock-development/claude-reflect-system --skill reflect -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install haddock-development/claude-reflect-system reflect --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/haddock-development/claude-reflect-system.git skills-src && mkdir -p .claude/skills && cp -r skills-src/reflect .claude/skills/reflect && 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 "reflect" agent skill from https://github.com/haddock-development/claude-reflect-system/tree/master/reflect into .claude/skills/reflect/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "reflect", 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/haddock-development/claude-reflect-system/tree/master/reflectType 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 haddock-development/claude-reflect-system --skill reflect -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install haddock-development/claude-reflect-system reflect --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/haddock-development/claude-reflect-system.git skills-src && mkdir -p .agents/skills && cp -r skills-src/reflect .agents/skills/reflect && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "reflect" agent skill from https://github.com/haddock-development/claude-reflect-system/tree/master/reflect into .agents/skills/reflect/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "reflect", 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 haddock-development/claude-reflect-system --skill reflect -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install haddock-development/claude-reflect-system reflect --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/haddock-development/claude-reflect-system.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/reflect .cursor/skills/reflect && 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 "reflect" agent skill from https://github.com/haddock-development/claude-reflect-system/tree/master/reflect into .cursor/skills/reflect/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "reflect", 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/haddock-development/claude-reflect-system.git --path reflect--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 haddock-development/claude-reflect-system --skill reflect -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install haddock-development/claude-reflect-system reflect --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/haddock-development/claude-reflect-system.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/reflect .gemini/skills/reflect && 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 "reflect" agent skill from https://github.com/haddock-development/claude-reflect-system/tree/master/reflect into .gemini/skills/reflect/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "reflect", 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 haddock-development/claude-reflect-system reflectInstalls 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 haddock-development/claude-reflect-system --skill reflect -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/haddock-development/claude-reflect-system.git skills-src && mkdir -p .github/skills && cp -r skills-src/reflect .github/skills/reflect && 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 "reflect" agent skill from https://github.com/haddock-development/claude-reflect-system/tree/master/reflect into .github/skills/reflect/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "reflect", 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 haddock-development/claude-reflect-system --skill reflect -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install haddock-development/claude-reflect-system reflect --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/haddock-development/claude-reflect-system.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/reflect .opencode/skills/reflect && 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 "reflect" agent skill from https://github.com/haddock-development/claude-reflect-system/tree/master/reflect into .opencode/skills/reflect/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "reflect", 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
reflect- GitHub stars
- 379
- Token cost
- ~725 tokens
- SKILL.md length
- 276 words
- Files
- 22 (incl. scripts, references)
- Skills in repo
- 2
- Repo updated
- First seen
- Licence
- None found
At a glance
Analyzes conversation transcripts to extract user corrections, patterns, and preferences, then proposes skill improvements.
- Works in 3 steps: Manual Reflection (/reflect) → Automatic Reflection → Toggle Commands
- Users provide corrections
- SKILL.md covers Overview, Usage Modes, Confidence Levels and Workflow, plus 3 more sections
- Runs Python and Shell scripts from its folder
What it does
Reflect is an agent skill from haddock-development/claude-reflect-system. Analyzes conversation transcripts to extract user corrections, patterns, and preferences, then proposes skill improvements. Use this skill when users provide corrections, express preferences about code style, or when patterns emerge from successful approaches. Can be triggered manually with /reflect or automatically at session end when enabled.
Its SKILL.md is about 730 tokens, which your agent loads only when the skill is triggered. The skill folder holds 25 other files, including scripts and reference files (for example `.state/auto-reflection.json`, `README.md` and `USER_GUIDE.md`).
It works with Python. The repository describes itself as: Continual Learning & Self-improving skills system for Claude Code - learn from corrections, never repeat mistakes.
When your agent uses it
- Users provide corrections
- Express preferences about code style
- Patterns emerge from successful approaches
Example prompts
- “Use the reflect skill to analyz conversation transcripts to extract user corrections, patterns, and preferences, then proposes skill improvements”
- “/reflect”
Requirements
- Python 3
- A Bash shell
Workflow steps
3 steps, taken from the step headings in SKILL.md.
- Manual Reflection (/reflect)
- Automatic Reflection
- Toggle Commands
What it can do on your machine
Read from SKILL.md and the folder at commit 41d03d0. 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
Ships 8 files in scripts/ (Python and Shell, from the files we listed), which the agent can run.
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
Reflect loads about 725 tokens when it runs, and up to ~2.3k if it reads all its reference files. Until then it costs about 89 tokens; SKILL.md has 276 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); the scripts in this folder are not scanned.
SKILL.md
Without a licence we can't republish the file, so here is its outline and opening line. It has 276 words (~725 tokens).
“This skill enables Claude Code to learn from conversations by analyzing corrections, approvals, and patterns, then proposing updates to relevant skills. It implements a "correct once, never again" learning system.”
- name
- reflect
Files
SKILL.md and 21 other files (scripts, references) in reflect of haddock-development/claude-reflect-system.
- SKILL.md
- .state/auto-reflection.json
- .state/last-reflection.timestamp
- README.md
- USER_GUIDE.md
- commands/reflect-meta.md
- commands/reflect-promote.md
- commands/reflect-stats.md
- references/signal-patterns.md
- scripts/extract_signals.py
- scripts/hook-stop.sh
- scripts/learning_ledger.py
- scripts/meta_learning.py
- scripts/present_review.py
- scripts/promote_learning.py
- scripts/reflect.py
- scripts/scope_analyzer.py
- … and 5 more
Open the folder on GitHubat commit 41d03d0
Compare with similar skills
Reflect 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 |
|---|---|---|---|---|---|---|
| Reflect this skillhaddock-development/claude-reflect-system | 379 | — | ~725 | Automated safety check: Pass | None | |
| MCP Server Builderanthropics/skills | 180k | 64 repos | ~2.3k | Automated safety check: Pass | Apache-2.0 | |
| PDF Processinganthropics/skills | 180k | 48 repos | ~2k | Automated safety check: Pass | Proprietary | |
| NotebookLM Research AssistantPleasePrompto/notebooklm-skill | 7.8k | 14 repos | ~2.4k | Automated safety check: Notes | MIT | |
| Manim Video Productionbrowser-use/video-use | 28k | 6 repos | ~3k | Automated safety check: Pass | MIT | |
| Code Review ChecklistshareAI-lab/learn-claude-code | 78k | 5 repos | ~1.1k | Automated safety check: Pass | MIT |
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- Official
- Official
PDF Processing
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NotebookLM Research Assistant
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Manim Video Production
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Produces math and technical explainer videos with Manim Community Edition: concept animations, equation derivations, algorithm walkthroughs and data stories.
Code Review Checklist
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Reviews code against a five-part checklist covering security, correctness, performance, maintainability and testing, and reports findings in a fixed format.
PPT Master
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Generates editable PowerPoint decks, rebuilds slides from images, fills .pptx templates and polishes existing presentations through routed workflows.
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Questions about Reflect
What does Reflect do?
Analyzes conversation transcripts to extract user corrections, patterns, and preferences, then proposes skill improvements. Reflect is an agent skill from haddock-development/claude-reflect-system. Analyzes conversation transcripts to extract user corrections, patterns, and preferences, then proposes skill improvements.
When should I use Reflect?
Reflect fits situations like: users provide corrections; express preferences about code style; patterns emerge from successful approaches.
How do I install Reflect in Claude Code?
Run `npx skills add haddock-development/claude-reflect-system --skill reflect -a claude-code`. Or copy the skill folder (reflect in haddock-development/claude-reflect-system) into .claude/skills/reflect in your project. Claude Code loads it when a task matches its description.
How do I install Reflect in Codex?
Run `npx skills add haddock-development/claude-reflect-system --skill reflect -a codex`. Or copy the skill folder (reflect in haddock-development/claude-reflect-system) into .agents/skills/reflect in your project. Codex loads it when a task matches its description.
Can I use Reflect 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 haddock-development/claude-reflect-system --skill reflect -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/reflect, .gemini/skills/reflect, .github/skills/reflect and .opencode/skills/reflect in your project.
What does Reflect need to run?
Going by SKILL.md and its folder, Reflect needs Python and a shell for the scripts in its folder. Our summary lists: Python 3; A Bash shell.
Does Reflect 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 Reflect 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. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.
What licence does Reflect use?
No licence was found for Reflect or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.
How many tokens does Reflect use?
About 725 tokens (SKILL.md is roughly 2.9k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 1.5k tokens, read only when the agent opens those files.
What are the alternatives to Reflect?
Skills that share tags, products or a category with Reflect: MCP Server Builder (anthropics/skills, 180k stars), PDF Processing (anthropics/skills, 180k stars), NotebookLM Research Assistant (PleasePrompto/notebooklm-skill, 7.8k stars) and Manim Video Production (browser-use/video-use, 28k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Reflect?
haddock-development (a GitHub user) maintains it in haddock-development/claude-reflect-system, which has 379 GitHub stars. The repository holds 2 skills in this directory. The repository was last updated on January 17, 2026.
Source: haddock-development/claude-reflect-system on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.