Lightblue Ai
Light Blue is an agentic agent framework for building AI applications
Install
$ agentstack add mcp-ai-zerolab-lightblue-ai ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ● Environment & secrets Used
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/mcp-ai-zerolab-lightblue-ai) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
lightblue-ai
[](https://img.shields.io/github/v/release/ai-zerolab/lightblue-ai) [](https://github.com/ai-zerolab/lightblue-ai/actions/workflows/main.yml?query=branch%3Amain) [](https://codecov.io/gh/ai-zerolab/lightblue-ai) [](https://img.shields.io/github/commit-activity/m/ai-zerolab/lightblue-ai) [](https://img.shields.io/github/license/ai-zerolab/lightblue-ai)
> Inspired by Deep Blue – Harnessing computational power to transcend human design. > > The Bitter Lesson > > The Bitter Lesson: Rethinking How We Build AI Systems
Light Blue is an agentic agent framework for building AI applications.
- Github repository:
Usage
CLI
Stream
Directly prompt:
uvx lightblue-ai stream Use prompt file:
uvx lightblue-ai stream prompt.md # Or just uvx lightblue-ai stream, prompt.md is the default prompt fileSubmit
Directly prompt:
uvx lightblue-ai submit Use prompt file:
uvx lightblue-ai submit prompt.md # Or just uvx lightblue-ai submit, prompt.md is the default prompt fileProgrammatic
See [agent.py](./lightblue_ai/agent.py) and [Examples](./examples/README.md)
Configuration
prompt.mduse this file as the user promptsystem_prompt.mdto Override [system prompt](./lightblueai/prompts/templates/systemprompt.md)mcp.jsonto configure [MCP](./mcp.example.json).envfor [setting environment variables](./.env.example)
Once you provided the api-key of the tools, tools will automatically be loaded.
Tools
PDF to Image
You need to install poppler for pdf to image conversion
Mac
Mac users will have to install poppler for pdf to image conversion
Installing using Brew:
brew install popplerLinux
Most distros ship with pdftoppm and pdftocairo. If they are not installed, refer to your package manager to install poppler-utils. e.g. apt-get install poppler-utils
HTML View as Image
you need to run playwright install or uv tool run playwright install to install chromium and dependencies.
Source & license
This open-source MCP server is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: ai-zerolab
- Source: ai-zerolab/lightblue-ai
- License: BSD-3-Clause
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.