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faf-cli

Open Source
Command-line Updated Mar 21, 2026
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Compared with 18 other Command-line agents Open source Self-hostable Updated Mar 2026
💰 Open Source 🔄 Updated Mar 2026 🖥️ Self-hostable

💰 Pricing

Open Source

Pricing not publicly listed.

🎯 Use Cases

Onboarding AI tools to a new codebase Maintaining consistent project context across team members Switching between different AI coding assistants without losing context Documenting project structure for future reference Sharing project metadata in a machine-readable format

⚖️ Pros & Cons

✅ Pros

  • Standardized format (IANA-registered MIME type)
  • Multi-platform AI compatibility
  • Lightweight command-line interface
  • Persistent, reusable project context

❌ Cons

  • Requires manual setup for each project
  • Limited to structured metadata (not full code understanding)
  • Dependent on AI tools supporting the .faf format

Overview

faf-cli is a command-line tool that generates structured project context files (.faf) in a standardized YAML format, enabling AI agents to quickly understand and interact with projects. It supports integration with multiple AI platforms like Claude, Gemini, and Grok. The tool is designed to create persistent, reusable project metadata that enhances AI-assisted workflows.

Problem It Solves

It eliminates the need for repetitive context explanations when switching between AI tools by providing a standardized, shareable project summary format.

Target Audience: Developers and teams working with command-line automation.

Inputs

  • • User configuration
  • • API credentials (if required)
  • • Task parameters

Outputs

  • • Automated task results
  • • Status reports
  • • Generated content or actions

Example Workflow

  1. 1 User configures the agent with required parameters
  2. 2 Agent receives input data or trigger
  3. 3 Agent processes the request using its core logic
  4. 4 Agent interacts with external services if needed
  5. 5 Results are returned to the user

Sample System Prompt 


              You are faf-cli, an AI assistant. Help the user accomplish their task efficiently.

Tools & Technologies

LLM APIs Python

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FAQs

Is this agent open-source?
Yes
Can this agent be self-hosted?
Yes
What skill level is required?
Intermediate

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