Transforms complex documents like PDFs and Office docs into LLM-ready markdown/JSON for your Agentic workflows.
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Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.
Get your documents ready for gen AI
Convert PDF to markdown + JSON quickly with high accuracy
PDF Parser for AI-ready data. Automate PDF accessibility. Open-source.
The Generative UI framework
Structured Outputs
- generative-ai
- llms
- prompt-engineering
- symbolic-ai
Convert documents to structured data effortlessly. Unstructured is open-source ETL solution for transforming complex documents into clean, structured formats for language models. Visit our website to learn more about our enterprise grade Platform product for production grade workflows, partitioning, enrichments, chunking and embedding.
- deep-learning
- document-parsing
- machine-learning
- nlp
Oracle3: open-source trading engine and MCP server for prediction markets. Finds fee-adjusted no-arbitrage violations across related event contracts and trades them live on Kalshi, Polymarket and Solana, or on paper, under pre-trade risk limits. 13 MCP tools, JSON CLI, agent skills, 600+ tests.
- algorithmic-trading
- kalshi
- polymarket
- python
Convert Java to JSON/TOON and back. Supports complex object graphs, cyclic references, and TOON format for 40-50% LLM token savings. JDK 8+
Rust web scraper & crawler for AI agents: URLs, PDFs and Office files → clean Markdown/JSON. Firecrawl- and Jina Reader-compatible API, MCP server, Python/Node SDKs. Self-hosted single binary.
- ai-agents
- browser-automation
- data-extraction
- firecrawl
Ruby library for defining, generating and validating JSON Schema
- anthropic-api
- json-api
- json-schema
- openai-api
PDF extraction that audits its own output — and certifies any other extractor's, catching pages they silently dropped. Verify signed manifests offline: free, MIT, no account. 0.903 on opendataloader-bench, #2 of 8 engines. 7-tool MCP server.
Fast lossless JSON parse event streaming, in JavaScript.
Inline review tool for MDXG markdown — capture highlighted comments and export them as structured JSON for LLM agents.
- annotations
- feedback
- human-in-the-loop
- inline-comments
Conflict-free merge for DataFrames, JSON, ML models & distributed agents — powered by CRDTs. The first merge library where every operation is mathematically guaranteed to converge.
- collaborative-editing
- conflict-resolution
- crdt
- data-engineering
Lightweight PHP library for encoding/decoding TOON (Token-Oriented Object Notation). A human-readable, LLM-friendly alternative to JSON.
- decoder
- encoder
- json
- llm