Cloud-based AI swarm deployment and event-driven workflow automation with Flow Nexus platform
55
36%
Does it follow best practices?
Impact
87%
2.07xAverage score across 3 eval scenarios
Advisory
Suggest reviewing before use
Optimize this skill with Tessl
npx tessl skill review --optimize ./.claude/skills/flow-nexus-swarm/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: 0.90). The skill's SKILL.md explicitly defines "researcher" agents with a "web_search" capability and includes a "Research & Analysis Pattern" task to "Research machine learning trends..." which clearly requires fetching and interpreting open/public web content (e.g., arbitrary web pages/search results) that could influence agent decisions.
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 instructs running "npx flow-nexus@latest mcp start" which fetches and executes remote code from the flow-nexus package (see https://github.com/ruvnet/flow-nexus / https://flow-nexus.ruv.io), so an external dependency is fetched at runtime and can execute code the agent relies on.
8db2712
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