Opencrab may offer paid plans. Check the official website for the latest pricing.

How much does Opencrab cost?

Opencrab uses a freemium pricing model. Visit the official website for current pricing details.

19 juillet 2026

Opencrab

Q: What is Opencrab?

Opencrab is An ontology-centered Graph RAG platform that structures documents into reusable AI knowledge packs.

Q: What are the main features of Opencrab?

Opencrab includes features such as Ontology Pack Creation: Converts scattered documents and expertise into reusable, structured knowledge packs., Graph RAG & MCP Integration: Connects knowledge graphs seamlessly to LLMs and development workspaces via Model Context Protocol., Multi-format Data Ingestion: Supports ingestion of PDFs, HWP files, Notion, GitHub, images (via OCR/CLIP), and web research., 9-Space MetaOntology Structure: Automatically organizes extracted concepts into structured categories like Subject, Evidence, Claim, Policy, and Lever., Expert Marketplace: Provides a dedicated workflow for domain experts to publish, verify, and sell customized ontology packs..

An ontology-centered Graph RAG platform that structures documents into reusable AI knowledge packs.

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Vue d'ensemble Chronologie produit Tarifs Avantages et limites FAQ Avis MCP Server

Alternatives

Vue d'ensemble

Qu'est-ce que Opencrab ?

OpenCrab is an ontology-centered knowledge platform designed for the AI agent era. It enables experts, researchers, and AI builders to transform scattered documents, notes, workflows, and domain expertise into structured, evidence-backed 'ontology packs.' These packs can be searched, shared, and queried by AI agents using Graph RAG and Model Context Protocol (MCP), grounding AI workflows in verifiable, high-quality knowledge graphs.

An ontology-centered Graph RAG platform that structures documents into reusable AI knowledge packs.

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Fonctionnalites principales

Ontology Pack Creation: Converts scattered documents and expertise into reusable, structured knowledge packs.

Graph RAG & MCP Integration: Connects knowledge graphs seamlessly to LLMs and development workspaces via Model Context Protocol.

Multi-format Data Ingestion: Supports ingestion of PDFs, HWP files, Notion, GitHub, images (via OCR/CLIP), and web research.

9-Space MetaOntology Structure: Automatically organizes extracted concepts into structured categories like Subject, Evidence, Claim, Policy, and Lever.

Expert Marketplace: Provides a dedicated workflow for domain experts to publish, verify, and sell customized ontology packs.

Cas d'usage populaires

Creating personal, evidence-backed knowledge graphs from research papers and analyst reports for grounded QA.
Publishing and selling professional, domain-specific ontology packs on the OpenCrab Marketplace.
Grounding custom AI agents (e.g., Claude Code, GPT) with unified enterprise knowledge endpoints.
Synthesizing structured research notes for branding, product strategy, and customer sentiment analysis.

Comment l'utiliser

To use OpenCrab
first ingest unstructured data sources like PDFs
HWP files
URLs
Notion pages
or GitHub repositories. The platform extracts entities
concepts
claims
and relations
structuring them into a 9-space MetaOntology. Once structured
you can query this knowledge graph using Graph RAG
MCP clients

Tarifs

Opencrab utilise un modele tarifaire Freemium. Les prix et fonctionnalites peuvent evoluer avec le temps.

Free

Explore public ontology packs, run basic graph searches, and connect with external AI tools for query-only access. Private document ingestion is not supported.

Pro

$10 per month (15,000 KRW)

Allows ingestion of private documents, personal Graph RAG workspaces, and isolated ontology storage. Pack selling and reverse ingestion via MCP are not supported.

Expert

$30 per month (45,000 KRW)

Includes all Pro features, plus ontology pack publishing and marketplace verification workflows, reverse ingestion from connected MCP tools, and access to upcoming automated workflow agents.

Enterprise

Contact for Pricing

Minimum 5 seats. Offers dedicated company ontology office space, team-based ingestion permissions, private/team/company sharing controls, and specialized operation policies.

Offre / Coupon

Aucun coupon liste.

Pourquoi les utilisateurs l'aiment ?

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Que peut-on ameliorer ?

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