prose
OpenProse VM skill pack. Activate on any `prose` command, .prose files, or OpenProse mentions; orchestrates multi-agent workflows.
65
51%
Does it follow best practices?
Impact
92%
2.09xAverage score across 3 eval scenarios
Risky
Do not use without reviewing
Optimize this skill with Tessl
npx tessl skill review --optimize ./extensions/open-prose/skills/prose/SKILL.mdSecurity
3 findings — 1 high severity, 2 medium severity. You should review these findings carefully before considering using this skill.
W007: Insecure credential handling detected in skill instructions
What this means
The skill handles credentials insecurely by requiring the agent to include secret values verbatim in its generated output. This exposes credentials in the agent’s context and conversation history, creating a risk of data exfiltration.
Why it was flagged
Insecure credential handling detected (high risk: 1.00). The skill explicitly instructs checking and echoing .prose/.env and $OPENPROSE_POSTGRES_URL and running psql with that connection string (and gives examples with plaintext user:pass), which requires reading and potentially outputting secrets verbatim.
W011: Third-party content exposure detected (indirect prompt injection risk)
What this means
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.
Why it was flagged
Third-party content exposure detected (high risk: 1.00). The SKILL.md explicitly instructs the VM to fetch and execute .prose programs from arbitrary http(s) URLs and registry paths (see "Remote Programs" and "Use statements" which resolve to https://p.prose.md/{path}), so untrusted third‑party content is ingested and can directly influence execution and tool use.
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
Potentially malicious external URL detected (high risk: 1.00). The skill explicitly fetches and executes remote .prose programs at runtime (e.g. https://raw.githubusercontent.com/openprose/prose/main/skills/open-prose/examples/48-habit-miner.prose and registry-resolved URLs like https://p.prose.md/@handle/slug), and those fetched files become prompts/instructions for the VM, so they directly control agent behavior.
- Repository
- attilaczudor/Test
- Commit
b3cef5f
- Audited
- Security analysis
Is this your skill?
If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.