Use when the user wants to run cognee with Docker or docker compose — trying it out from the prebuilt image, starting the API server in a container, or bringing up the full stack (UI, MCP, Postgres, Neo4j) with compose profiles.
Zvec
Zvec is an open-source backend skill for Claude Code and compatible agents, published by alibaba. Its author describes it as: “A lightweight, lightning-fast, in-process vector database”. The project has 15k stars on GitHub and is available under the Apache-2.0 license. Add it to your setup with `git clone https://github.com/alibaba/zvec ~/.claude/skills/zvec`.
Installation
Add Zvec to your agent with:
git clone https://github.com/alibaba/zvec ~/.claude/skills/zvecAlways review a skill's source before installing it. This command comes from the skill's public repository; the linked repo is the source of truth for exact setup steps.
When to use it
Reach for Zvec when you want backend help from your agent without writing the same instructions every session. Load the skill and the agent picks it up automatically for relevant tasks.
Strengths
- Clear Apache-2.0 license — safe to read and adapt
- Established project with 15,322 GitHub stars
- Actively maintained (recent commits)
Topics
Frequently asked questions
- What does Zvec do?
- A lightweight, lightning-fast, in-process vector database
- How do I install Zvec?
- Run git clone https://github.com/alibaba/zvec ~/.claude/skills/zvec in your agent, then reload your skills. Review the source at https://github.com/alibaba/zvec before installing.
- Is Zvec free to use?
- Yes. Zvec is free and open source under the Apache-2.0 license, so you can read, run, and adapt it within that license's terms.
Related skills
More Backend →Use when the user wants to connect cognee to external services — switching LLM or embedding providers (OpenAI, Azure, Gemini, Anthropic, Ollama, OpenRouter), changing databases (Postgres, PGVector, Neo4j, Neptune, Turso), S3 storage, or the MCP server for IDE integration.
Use when the user wants to run the cognee API server (and optional UI) on their own machine — starting it, checking it's healthy, connecting the SDK or other clients to it, and choosing the right auth posture.
Use when you need state across calls — building env vars, navigating with cd, driving REPLs (python -i, mysql, psql, node), or responding to interactive prompts (sudo password, ssh host-key confirmation, mysql connection). Teaches the prompt-sentinel exec pattern (default mode), raw I/O for REPLs (raw_send=True then read_only=True), the one-in-flight-per-session rule, and the close-or-leak-against-the-cap discipline. Bash on macOS — never zsh; explicit shell=/bin/zsh is rejected. Read before calling terminal_pty_open.
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