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tooluniverse-cs-setup

Install or update ToolUniverse in Claude Science — create the conda env, install the tooluniverse pip package, and (re)build the tooluniverse-research skill by fetching the current workflow library from GitHub. Use for first-time setup, upgrading the ToolUniverse version, refreshing the bundled workflows after an upstream release, or reinstalling on a new machine.

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SecuritybySnyk

Low

Low-risk findings worth noting

SKILL.md
Quality
Evals
Security

Low

Low-risk findings.

1 low severity finding. Worth noting, but not necessarily harmful.

Low

W012: Unverifiable external dependency detected (runtime URL that controls agent).

What this means

The skill fetches instructions or code from an external URL at runtime, and the fetched content directly controls the agent’s prompts or executes code. This dynamic dependency allows the external source to modify the agent’s behavior without any changes to the skill itself.

Why it was flagged

The function tu_build_research_bundle downloads and extracts a remote repo tarball at runtime from https://codeload.github.com/mims-harvard/ToolUniverse/tar.gz/refs/heads/, and the SKILL.md workflow files it fetches are parsed and injected into the skill (directly controlling the workflows/prompts), so this is a runtime external dependency that controls agent behavior.

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Repository
mims-harvard/ToolUniverse
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Security analysis
Snyk

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