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llama.cpp Adds Support for Sandbox Tool Execution

·2026.08.14 21:51

Key point

The llama.cpp server now supports executing tools within sandbox containers using Podman or Docker.

Details

A new experimental option for tool execution, --tools-runtime, has been added to the llama.cpp server (build 10423).

With this feature, when the --tools option is enabled, shell commands generated by the LLM can be safely executed within a rootless sandbox container instead of on the host system.

Key Features:

  • Supported Environments: Podman or Docker must be installed on the host.
  • Usage: Specify a container image for the --tools-runtime argument, such as podman:alpine or docker:alpine.
  • How It Works: The server automatically downloads the specified image and creates an instance to provide an isolated environment.

This update aims to provide an isolated runtime to prevent security threats that may arise when LLM agents use external tools.

tool-callingdockerllama-cppsandboxingllm-agentspodman
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