add-slack
Add Slack channel integration via Chat SDK.
59
67%
Does it follow best practices?
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High
Do not use without reviewing
Fix and improve this skill with Tessl
tessl review fix ./.claude/skills/add-slack/SKILL.mdSecurity
1 high severity finding. 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
The skill asks the operator to paste secrets and then embeds those secrets verbatim into shell commands and environment-setting directives (e.g., Authorization: Bearer {{bot_token}} and nc:env-set), requiring the LLM/agent to handle and output secret values directly.
Low
Low-risk findings.
1 low severity finding. Worth noting, but not necessarily harmful.
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
SKILL.md’s Apply workflow ingests outsider-provided free text at runtime via “Fetch the `channels` branch and copy … `container/skills/slack-formatting/SKILL.md` into place,” where that fetched branch/doc could contain arbitrary prose/directives that get applied into the agent’s LLM/skill context.
- Repository
- nanocoai/nanoclaw
- Commit
641963c
- Audited
- Security analysis
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