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Claude Code Plugins

Production-tested plugins extracted from a 20-domain autonomous agent system. Each plugin is a self-contained skill that can be installed into any Claude Code project.

本番環境で稼働中の20ドメイン自律エージェントシステムから抽出したClaude Codeプラグイン集です。各プラグインは独立したスキルとして、任意のClaude Codeプロジェクトにインストールできます。

Quick Install / インストール

# Add the marketplace
/plugin marketplace add MtKana/claude-code-plugins

# Install a specific plugin
/plugin install note-com-publisher@claude-code-plugins
/plugin install telegram-approval-loop@claude-code-plugins
/plugin install grok-x-search@claude-code-plugins
/plugin install autonomous-research-pipeline@claude-code-plugins
/plugin install daily-cron-agent@claude-code-plugins
/plugin install note-com-watercolor-header@claude-code-plugins

Plugins

1. note-com-publisher

Publish articles to note.com as drafts via their undocumented API.

note.comの非公開APIを使って記事をドラフトとして公開するプラグインです。

Features:

  • Email/password authentication (no browser needed)
  • Markdown → HTML conversion
  • Eyecatch (header image) upload
  • 2-step draft creation (create → save)
  • Cookie-based session management

Requirements: requests (pip)

Environment variables:

NOTE_EMAIL=your@email.com
NOTE_PASSWORD=your_password

Usage:

python publish_to_note.py \
  --title "記事タイトル" \
  --body body.txt \
  --eyecatch header.jpg \
  --output result.json

2. telegram-approval-loop

Human-in-the-loop approval workflow via Telegram Bot API. The hardest part of any autonomous agent system is the approval step — this solves it.

Telegram Bot APIを使った人間によるレビュー・承認ワークフローです。自律エージェントシステムで最も難しい「承認ステップ」を解決します。

Features:

  • Inline keyboard buttons (Approve / Edit)
  • Auto-chunking for messages over 4,096 characters
  • Configurable callback data
  • Stdlib-only — zero pip dependencies

Environment variables:

TELEGRAM_BOT_TOKEN=your_bot_token
TELEGRAM_CHAT_ID=your_chat_id

Usage:

# Send an approval request
python send_approval.py \
  --title "Draft Review" \
  --body "Article content here..." \
  --approve-data "approve_123" \
  --edit-data "edit_123"

3. grok-x-search

Search Twitter/X via Grok API's native x_search tool. Most people don't know Grok has a built-in Twitter search — this wraps it for structured results.

Grok APIのネイティブx_searchツールを使ってTwitter/Xを検索します。構造化された結果を返します。

Features:

  • Native Twitter/X search via Grok API (not scraping)
  • Configurable queries via CLI args or JSON file
  • Structured JSON output with source URLs
  • Focuses on recent posts (last 48 hours)

Requirements: httpx (pip)

Environment variables:

XAI_API_KEY=your_xai_api_key

Usage:

# Single query
python grok_search.py \
  --query "Claude Code best practices" \
  --output results.json

# Multiple queries from file
python grok_search.py \
  --queries-file queries.json \
  --output results.json

queries.json format:

["query one", "query two", "query three"]

4. autonomous-research-pipeline

Template and architecture reference for building multi-track parallel research agents with Claude Code CLI. This is the pattern, not a script — adapt it to your domain.

Claude Code CLIを使ったマルチトラック並列リサーチエージェントのアーキテクチャテンプレートです。パターンそのものが価値です。

What's included:

  • SKILL.md — Complete 4-track parallel research workflow template
  • reference/architecture.md — Design principles and phase execution model
  • reference/example_queries.md — Query templates across 6 research categories

Architecture:

Phase 1: Parallel Discovery (4 tracks, run simultaneously)
    Track A: Web search (platforms, tools, trends)
    Track B: Community signals (Reddit, forums, Twitter)
    Track C: Academic/industry (papers, reports)
    Track D: Domain-specific API (Grok x_search, etc.)

Phase 2: Cross-pollination + Synthesis
    Merge findings → identify patterns → score ideas

Phase 3: Output Generation
    Write report / article / brief → notify

How to use: Read the architecture docs, copy the SKILL.md template, customize the tracks and queries for your domain.

5. daily-cron-agent

Battle-tested pattern for running Claude Code CLI as a daily autonomous agent via cron. This runs 12+ pipelines daily in production.

Claude Code CLIをcronで毎日自律的に実行するためのパターンです。本番環境で12以上のパイプラインを毎日稼働させています。

What's included:

  • SKILL.md — Setup guide and best practices
  • reference/cron_template.sh — Ready-to-use shell script template
  • reference/vps_setup.md — VPS setup guide (Ubuntu)

Key patterns:

  • Parallel phase execution with PID management and wait
  • Structured logging with timestamps
  • --allowedTools for security (restrict which tools Claude can use)
  • --max-turns to prevent runaway sessions
  • Environment variable management for cron context

Template usage:

# Copy and customize the template
cp cron_template.sh my_pipeline.sh
chmod +x my_pipeline.sh

# Add to crontab
0 6 * * * /path/to/my_pipeline.sh >> /path/to/cron.log 2>&1

6. note-com-watercolor-header

Generate typographic header images for note.com articles using Pillow. Clean background template with Japanese text overlay — zero API cost, instant generation.

Pillowを使ってnote.com記事のヘッダー画像を生成します。APIコストゼロ、即座に生成。

Features:

  • Japanese text wrapping with pixel-based line breaks
  • Customizable tag and title colors
  • Background template overlay (provide your own)
  • Font fallback chain (Hiragino Sans → system fonts)
  • Optimized for note.com eyecatch dimensions (1280×670)

Requirements: Pillow (pip)

Usage:

python generate_header.py \
  --title "AIツールを追いかけるのをやめたら仕事が速くなった" \
  --tag "【保存版】" \
  --background background.png \
  --output header.jpg

Architecture Overview / アーキテクチャ概要

These plugins were extracted from a system that runs 20 autonomous domains daily:

                    ┌─────────────────────────┐
                    │   Daily Cron Schedule    │
                    │   (daily-cron-agent)     │
                    └──────────┬──────────────┘
                               │
              ┌────────────────┼────────────────┐
              ▼                ▼                ▼
    ┌──────────────┐  ┌──────────────┐  ┌──────────────┐
    │   Research    │  │   Research    │  │   Research    │
    │   Track A    │  │   Track B    │  │   Track C    │
    │  (web search) │  │  (community)  │  │  (grok-x)    │
    └──────┬───────┘  └──────┬───────┘  └──────┬───────┘
           └─────────────────┼─────────────────┘
                             ▼
                   ┌──────────────────┐
                   │    Synthesis     │
                   │ (research-pipeline)│
                   └────────┬─────────┘
                            ▼
              ┌─────────────┼─────────────┐
              ▼                           ▼
    ┌──────────────────┐       ┌──────────────────┐
    │  note-com-publisher│       │  Header Image    │
    │  (publish draft)  │       │  (watercolor)    │
    └──────────────────┘       └──────────────────┘
                            ▼
                   ┌──────────────────┐
                   │ Telegram Approval │
                   │ (approval-loop)   │
                   └──────────────────┘

Each plugin works independently, but they're designed to compose into autonomous pipelines.

各プラグインは独立して動作しますが、自律パイプラインとして組み合わせられるよう設計されています。

Requirements / 必要環境

  • Claude Code CLI
  • Python 3.10+
  • Per-plugin dependencies listed above

License

MIT License. See LICENSE.

Built by @MtKana — extracted from Algentio's production autonomous agent system.

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Production-tested Claude Code plugins from a 20-domain autonomous agent system. note.com publishing, Telegram approval loops, Grok API Twitter search, research pipeline templates, cron automation, header image generation.

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