iselabvn/Kali-Terminus-v2

TEXT GENERATIONConcurrent Unit Cost:1Model Size:0.35BQuant:BF16Context Size:32kPublished:Jul 31, 2026License:apache-2.0Architecture:Transformer0.0K Open Weights Featherless Exclusive Cold

Kali-Terminus-v2 by iselabvn is a 0.35 billion parameter LFM2.5-350M model fine-tuned for Kali Linux terminal command execution, converting natural language instructions into precise shell commands. It utilizes native LFM2.5 / JSON tool calls, acting as an Executor Agent in multi-agent penetration testing systems. The model achieves a 92.31% strict pass rate in generating accurate terminal commands across various reconnaissance scenarios.

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Kali-Terminus-v2: Specialized for Kali Linux Terminal Execution

Kali-Terminus-v2 is a 350 million parameter model developed by iselabvn, built upon the LFM2.5-350M-Base architecture. It is specifically fine-tuned to translate natural language instructions into precise Kali Linux shell commands, leveraging native LFM2.5 tool calls for structured JSON output.

Key Capabilities & Performance

  • Command Generation: Converts user prompts into executable shell commands for Kali Linux environments.
  • Tool Call Format: Generates commands within <|tool_call_start|> and <|tool_call_end|> tokens as JSON, using an exec function with a command argument.
  • High Accuracy: Achieves a 92.31% Strict Pass Rate in generating semantically accurate commands across 26 turns covering network, system, and web reconnaissance scenarios.
  • Significant Improvement: Demonstrates a +42.3 percentage point improvement over its v1 LFM2.5 counterpart.
  • Specialized Training: Fine-tuned on the iselabvn/Kali-terminal-executor-v2 dataset, comprising 2,418 samples, with a focus on tools like nmap, dig, gobuster, and curl.

Intended Use Cases

  • Executor Agent: Designed to function as an executor agent within multi-agent penetration testing systems.
  • Single-Turn Kali Terminal Assistant: Ideal for single-turn conversions of natural language requests into Kali shell commands.

Limitations

  • Primarily for single-turn command generation; multi-turn interactions require external state management.
  • Commands are intended for authorized lab environments and require human review for production systems.
  • Best performance is observed with the 15 core Kali/Linux tools present in its training data.