Train and deploy neural networks in distributed E2B sandboxes with Flow Nexus
57
37%
Does it follow best practices?
Impact
96%
7.38xAverage score across 3 eval scenarios
Advisory
Suggest reviewing before use
Optimize this skill with Tessl
npx tessl skill review --optimize ./skills/ai-ml/flow-nexus-neural/SKILL.mdSecurity
2 findings — 2 medium severity. This skill can be installed but you should review these findings before use.
The skill exposes the agent to untrusted, user-generated content from public third-party sources, creating a risk of indirect prompt injection. This includes browsing arbitrary URLs, reading social media posts or forum comments, and analyzing content from unknown websites.
Third-party content exposure detected (high risk: 0.80). The skill explicitly lists, browses, and deploys marketplace templates (mcp__flow-nexus__neural_list_templates, mcp__flow-nexus__neural_deploy_template) and points to the public Template Marketplace at https://flow-nexus.ruv.io/templates, which is a third‑party user-contributed source whose descriptions/reviews could be read and used to decide actions.
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.
Potentially malicious external URL detected (high risk: 0.80). The skill's prerequisites run remote package code at runtime via the npx command (e.g., "npx flow-nexus@latest mcp start" / "npx flow-nexus@latest register"), which fetches and executes code from the npm registry and is presented as a required setup step, so it constitutes a runtime external dependency that can execute remote code.
632759f
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