Crawl4ai2vectordb
FreeNot checkedMCP server for crawling web documentation and storing it in a Supabase vector database.
About
MCP server for crawling web documentation and storing it in a Supabase vector database.
README
MCP server for crawling web documentation and storing it in a Supabase vector database. Credits: craw4ai and Cole Medin's mcp server.
Responsibility: ingestion only — crawl, chunk, embed, store. No search, no reranking, no Neo4j.
Tools
| Tool | Description |
|---|---|
crawl_single_page |
Crawl one URL and store its content |
smart_crawl_url |
Auto-detect URL type (sitemap / txt / webpage) and crawl accordingly |
get_available_sources |
List all sources stored in the database |
delete_source |
Delete a source and all its content from the database |
Setup
cp .env.example .env
# fill in OPENAI_API_KEY, MODEL_CHOICE, SUPABASE_URL, SUPABASE_SERVICE_KEY
uv sync
Running
stdio (recommended — Claude Code manages the process):
Add to your MCP config:
{
"mcpServers": {
"crawl4ai2vectordb": {
"type": "stdio",
"command": "uv",
"args": ["run", "python", "-u", "src/server.py"],
"cwd": "/path/to/mcp_crawl4ai2vectordb"
}
}
}
or
{
"mcpServers": {
"crawl4ai2vectordb": {
"type": "sse",
"url": "http://localhost:8051/sse"
}
}
}
SSE (manual startup, for multi-client use):
TRANSPORT=sse uv run python -u src/server.py
Optional features
| Env var | Default | Effect |
|---|---|---|
USE_CONTEXTUAL_EMBEDDINGS |
false |
Prepend LLM-generated context to each chunk before embedding (improves retrieval accuracy, costs more) |
USE_AGENTIC_RAG |
false |
Extract code blocks and store them separately in code_examples table |
Installing Crawl4ai2vectordb
This server has no published package — it is built from source. Open the repository and follow its README.
▸ github.com/utaschulz1/mcp_crawl4ai2vectordbFAQ
Is Crawl4ai2vectordb MCP free?
Yes, Crawl4ai2vectordb MCP is free — one-click install via Unyly at no cost.
Does Crawl4ai2vectordb need an API key?
No, Crawl4ai2vectordb runs without API keys or environment variables.
Is Crawl4ai2vectordb hosted or self-hosted?
A hosted option is available: Unyly runs the server in the cloud, no local setup required.
How do I install Crawl4ai2vectordb in Claude Desktop, Claude Code or Cursor?
Open Crawl4ai2vectordb on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.
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