Free
Explore public ontology packs and query shared knowledge graphs.
- Public ontology pack access
- Basic graph search
- External AI tool lookup
Ontology Graph RAG Platform
오픈크랩
OpenCrab
OpenCrab turns messy knowledge into reusable ontology packs.
MCP checked · OpenCrab system atlas
OPENCRAB은 지식을 실행 가능한 구조로 바꿉니다
실제 OpenCrab MCP 프로젝트와 이 워크스페이스 구조를 바탕으로 표현한 동적 설계도입니다.
DATA
PDF / HWP / GitHub / expert notes
DATA
LOCAL
PACK
MARKET
SKILL
AGENT
MCP
DESKTOP
ontology live
Pack to skill to agent
OpenCrab은 데이터를 온톨로지팩으로, 팩을 스킬로, 스킬을 반복 실행 가능한 전문 에이전트로 바꿉니다.
Project packs
40
Documents
35,467
Chunks
59,275
Nodes
76,481
Edges
209,167
Runtime panels
Webapp
Desktop
MCP
Enterprise Workspace
01 · Ingest
Turn documents into an evidence graph.
PDFOCRCLIPNotionGitHub
02 · Structure
Nine-space MetaOntology structure.
SubjectEvidenceClaimPolicyLever
03 · Query
Query through Graph RAG and MCP.
Graph RAGMCPClaudeGPT
Live workflow
ActiveDocument to Graph RAG
Ingest documents, URLs, notes, or structured research bundles.
Extract entities, concepts, evidence, relationships, and claims.
Store the ontology graph for retrieval, reasoning, and pack reuse.
Query the graph from OpenCrab, MCP clients, or connected AI workspaces.
Target
Who OpenCrab fits.
Researchers · Analysts
Build a private evidence graph from papers and reports.
Grounded answers with sources you can audit.
Domain experts
Package expertise into sellable ontology packs.
Publish and license through the marketplace.
AI builders
Ground agents with MCP-connected knowledge.
One endpoint for Claude, GPT, and custom agents.
Use cases
Built for ontology knowledge products and AI workspaces.
Marketing and content planning
YouTube channel strategy and scripts
Brand, product, and audience analysis
Research note synthesis
Domain ontology pack creation
Graph RAG over private knowledge
Pricing
Simple plans for ontology creation and graph RAG.
Pro
Create a private ontology workspace from your own documents and research data.
- Private document ingest
- Personal graph RAG workspace
- Isolated ontology storage
Expert
Build, manage, and commercialize expert ontology packs through OpenCrab review.
- Everything in Pro
- Ontology pack publishing workflow
- Reverse ingest from connected MCP tools
오픈크랩 검색 키워드
OpenCrab helps teams build ontology systems from real knowledge.
오픈크랩은 온톨로지, ontology, knowledge graph, graph RAG를 하나의 작업 흐름으로 연결합니다. 문서와 웹 자료에서 핵심 개념과 관계를 추출하고, 재사용 가능한 ontology pack으로 정리해 AI 검색과 업무 자동화에 활용할 수 있습니다.