Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/rokpiy/auto-commenter/reddit-commenternpx skills add rokpiy/auto-commenter --skill reddit-commentergit clone --depth 1 https://github.com/rokpiy/auto-commenterWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/rokpiy/auto-commenter/reddit-commenter)<a href="https://agentmods.dev/skills/rokpiy/auto-commenter/reddit-commenter"><img src="https://agentmods.dev/badge/skills/rokpiy/auto-commenter/reddit-commenter.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00034 | $0.01951 |
| Opus 5 | $0.00017 | $0.00975 |
| Sonnet 5 | $0.00007 | $0.00390 |
| Haiku 4.5 | $0.00003 | $0.00195 |
Grade A, and why
reddit-commenter scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 6d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 246 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Reddit Commenter Skill
Reddit Comment Automation - From Exploration to Posting and Tracking
Required Tool: Playwright MCP
This skill uses Playwright MCP to interact with Reddit.
Main MCP Tools
| MCP Tool | Purpose |
|---|---|
browser_navigate |
Navigate to Reddit pages |
browser_snapshot |
Capture page structure (accessibility tree) |
browser_click |
Click elements (comment box, buttons, etc.) |
browser_type |
Input text (comment content) |
browser_wait_for |
Wait for page loading |
⚠️ Important Notes When Using Playwright MCP
- Minimize tokens: When calling MCP, don't pass entire conversation context—only concisely summarize the essential information needed for that action
- Direct navigation: Navigate directly to URLs with
browser_navigaterather than clicking elements (prevents click errors, saves tokens) - Concise instructions: Pass only minimal instructions like "Navigate to [URL]", "Click [element]", "Type: [text]"
- ⚠️ No screenshots: Do NOT use
browser_take_screenshot. Always use onlybrowser_snapshotfor page verification (accessibility tree is sufficient and doesn't save files)
Execution Workflow
Step 1: Check Activity Status and Select Subreddit
1. Check today's date file in tracking/reddit/ folder
→ File name: YYYY-MM-DD.md (e.g., 2026-01-12.md)
→ If file doesn't exist, create new one referencing template.md
2. Check activity status table by subreddit:
- How many comments posted in each subreddit today
- Check subreddits under daily limit (3)
- Check last comment time (minimum 5-10 minute intervals)
3. Select next subreddit for commenting:
- Prioritize subreddits with no activity today or under limit
- Prioritize subreddits with oldest last activity time
4. Check subreddit specifics in resources/subreddits.md:
- Core community rules
- Community nature
- Good topics to answer
→ Reflect this information when selecting posts
What ships with it
4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 6d ago First seen · 246 lines · 34 tokens per session scan A 9cdec5826808
reddit-commenter is a skill published in the GitHub repository rokpiy/auto-commenter (584 stars, last pushed 5mo ago), licensed MIT. It adds 34 tokens to every session and 1,951 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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