By xberg-io
Convert HTML to Markdown, Djot, or plain text with lossless fidelity, while extracting structured metadata (title, description, Open Graph, JSON-LD) and tabular data from HTML documents via CLI, SDKs, or MCP server.
Use when converting HTML to Markdown, Djot, or plain text. Covers output formats, heading and code-block styles, lists, escaping, wrapping, and HTML preprocessing.
Use when extracting metadata from HTML — title, description, language, Open Graph, JSON-LD / Microdata / RDFa, headers, links, and images. Covers the --json output shape and the --extract-metadata flag.
Use when extracting tabular data from HTML. Covers GFM Markdown tables, the structured tables array (grid cells plus pre-rendered markdown), and <br> handling in table cells.
Use when fetching a live URL and converting it to Markdown. Covers --url, custom user agents, preprocessing for noisy pages, and the --json ConversionResult shape.
Convert HTML to Markdown, Djot, or plain text with structured extraction. Use when writing code that calls html-to-markdown APIs in Rust, Python, TypeScript, Go, Ruby, PHP, Java, C#, Elixir, R, C, or WASM. Covers installation, conversion, configuration, metadata extraction, tables, document structure, inline images, URL fetching, and CLI usage.
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Document-intelligence plugins for coding agents. Install any of the six into Claude Code, Codex CLI, Cursor, Gemini CLI, Factory Droid, GitHub Copilot CLI, or opencode.
| Plugin | Value Proposition | Status |
|---|---|---|
| kreuzberg | Local document extraction from 91+ formats (PDF, Office, images with OCR, HTML, email, archives, academic) | Stable — v0.2.2 |
| kreuzcrawl | Web crawling and scraping with HTML→Markdown and headless-Chrome fallback | Stable — v0.2.2 |
| xberg-enterprise | Managed extraction via api.xberg.io | Skills-only — MCP server in a later release |
| html-to-markdown | Fast, lossless HTML→Markdown with structured metadata and tables | Stable — v0.2.2 |
| liter-llm | Universal LLM API client for 143 providers (chat, streaming, tools, embeddings) | Stable — v0.2.2 |
| tree-sitter-language-pack | Parse and extract code intelligence from 300+ languages | Stable — v0.2.2 |
Once approved by the marketplace:
/plugin install kreuzberg@claude-community
/plugin install kreuzcrawl@claude-community
/plugin install xberg-enterprise@claude-community
/plugin install html-to-markdown@claude-community
/plugin install liter-llm@claude-community
/plugin install tree-sitter-language-pack@claude-community
Self-host (works today):
/plugin marketplace add xberg-io/plugins
/plugin install kreuzberg@kreuzberg
/plugin install kreuzcrawl@kreuzberg
/plugin install xberg-enterprise@kreuzberg
/plugin install html-to-markdown@kreuzberg
/plugin install liter-llm@kreuzberg
/plugin install tree-sitter-language-pack@kreuzberg
Pending review for official Claude marketplace.
Codex CLI marketplace is not yet open for third-party submissions. Use self-hosted install:
/plugins add https://github.com/xberg-io/plugins
Then search for the plugin you want — e.g. kreuzberg, kreuzcrawl, html-to-markdown, liter-llm, tree-sitter-language-pack, or xberg-enterprise — and select "Install Plugin".
Self-host install only:
Settings → Plugins → Add from URL → https://github.com/xberg-io/plugins. Select the plugin(s) you want.
Self-host install:
gemini extensions install https://github.com/xberg-io/plugins
Self-host install:
droid plugin marketplace add https://github.com/xberg-io/plugins
droid plugin install kreuzberg@kreuzberg
droid plugin install kreuzcrawl@kreuzberg
droid plugin install xberg-enterprise@kreuzberg
droid plugin install html-to-markdown@kreuzberg
droid plugin install liter-llm@kreuzberg
droid plugin install tree-sitter-language-pack@kreuzberg
Pending review for official Factory Droid marketplace.
Self-host install:
copilot plugin marketplace add https://github.com/xberg-io/plugins
copilot plugin install kreuzberg@kreuzberg
copilot plugin install kreuzcrawl@kreuzberg
copilot plugin install xberg-enterprise@kreuzberg
copilot plugin install html-to-markdown@kreuzberg
copilot plugin install liter-llm@kreuzberg
copilot plugin install tree-sitter-language-pack@kreuzberg
Add the published packages to opencode.json:
{
"$schema": "https://opencode.ai/config.json",
"plugin": [
"@kreuzberg/opencode-kreuzberg",
"@kreuzberg/opencode-kreuzcrawl",
"@kreuzberg/opencode-html-to-markdown",
"@kreuzberg/opencode-tree-sitter-language-pack"
]
}
liter-llm and xberg-enterprise are not yet published as opencode packages.
Each plugin shells out to a real CLI. Install whichever you use:
Universal LLM API client for 143 providers — chat, streaming, tools, embeddings, search, OCR, plus an OpenAI-compatible proxy and an MCP server.
Parse and extract code intelligence from 300+ programming languages with tree-sitter — structure, imports, symbols, and syntax-aware chunking.
Managed Kreuzberg document intelligence on api.xberg.io — async extraction with OCR, URL crawling, presigned uploads, document versioning and diffing, signed webhooks, and usage tracking.
Local document extraction: text, tables, metadata, images from 91+ formats with optional OCR.
npx claudepluginhub xberg-io/plugins --plugin html-to-markdownPersistent file-based planning for AI coding agents. Crash-proof markdown plans (task_plan.md, findings.md, progress.md) that survive context loss and /clear, with an opt-in completion gate and multi-agent shared state. Manus-style. Works with Claude Code, Codex CLI, Cursor, Kiro, OpenCode and 60+ agents via the SKILL.md standard. Includes Arabic, German, Spanish, and Chinese (Simplified and Traditional).
Comprehensive skill pack with 66 specialized skills for full-stack developers: 12 language experts (Python, TypeScript, Go, Rust, C++, Swift, Kotlin, C#, PHP, Java, SQL, JavaScript), 10 backend frameworks, 6 frontend/mobile, plus infrastructure, DevOps, security, and testing. Features progressive disclosure architecture for 50% faster loading.
A growing collection of Claude-compatible academic workflow bundles. Covers scientific figures, manuscript writing and polishing, reviewer assessment, citation retrieval, data availability, paper reading, literature search, response letters, paper-to-PPTX conversion, and evidence-grounded Chinese invention patent drafting. Rules are organized as reusable skill folders with explicit workflows and quality checks.
Intelligent draw.io diagramming plugin with AI-powered diagram generation, multi-platform embedding (GitHub, Confluence, Azure DevOps, Notion, Teams, Harness), conditional formatting, live data binding, and MCP server integration for programmatic diagram creation and management.
Complete creative writing suite with 10 specialized agents covering the full writing process: research gathering, character development, story architecture, world-building, dialogue coaching, editing/review, outlining, content strategy, believability auditing, and prose style/voice analysis. Includes genre-specific guides, templates, and quality checklists.
Write SQL, explore datasets, and generate insights faster. Build visualizations and dashboards, and turn raw data into clear stories for stakeholders.