Automate Amcards tasks via Rube MCP (Composio). Always search tools first for current schemas.
67
53%
Does it follow best practices?
Impact
Pending
No eval scenarios have been run
Advisory
Suggest reviewing before use
Optimize this skill with Tessl
npx tessl skill review --optimize ./composio-skills/amcards-automation/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's SKILL.md requires calling RUBE_SEARCH_TOOLS against the external Rube MCP endpoint (https://rube.app/mcp) and explicitly instructs the agent to read returned tool schemas, execution plans, and arguments—content that is fetched from a third-party server and directly used to determine tool selection and actions, which could encode instructions affecting behavior.
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: 0.90). The skill requires adding and using the MCP endpoint https://rube.app/mcp at runtime (via RUBE_SEARCH_TOOLS / RUBE_MULTI_EXECUTE_TOOL), which returns tool schemas and recommended execution plans that directly influence agent instructions and execution flow.
2790447
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