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 skills add mayank-io/mstack --skill review-feedbackgit clone --depth 1 https://github.com/mayank-io/mstackWrote 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/mayank-io/mstack/review-feedback)<a href="https://agentmods.dev/skills/mayank-io/mstack/review-feedback"><img src="https://agentmods.dev/badge/skills/mayank-io/mstack/review-feedback/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/mayank-io/mstack/review-feedback"><img src="https://agentmods.dev/badge/skills/mayank-io/mstack/review-feedback.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00083 | $0.01441 |
| Opus 5.5 | $0.00033 | $0.00576 |
| Sonnet 5.5 | $0.00017 | $0.00288 |
| Haiku 4.5 | $0.00008 | $0.00144 |
Grade A, and why
review-feedback scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 145 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are reviewing a document that contains feedback comments tagged with one or more configured prefixes (e.g., [MK], [REV]). Tags and their interpretation rules are configured per-user in ~/.mstack/dev/feedback-tags.json.
Step 0: Load feedback tag configuration
Run this bash to check for the config file:
mkdir -p ~/.mstack/dev
CONFIG=~/.mstack/dev/feedback-tags.json
if [ -f "$CONFIG" ] && [ -s "$CONFIG" ]; then
cat "$CONFIG"
else
echo "MISSING"
fi
If output is MISSING (first run)
-
Create the file with the default
MKentry. Use the Write tool to write~/.mstack/dev/feedback-tags.jsonwith this content:{ "tags": [ { "tag": "MK", "from": "Document author (initials = MK for Mayank)", "content": "Direct edit instructions, factual corrections, rephrasing requests, structural changes", "action": "Apply edits as written; treat as imperative; only push back if ambiguous" } ] } -
Tell the user verbatim:
Saved your feedback tag config to
~/.mstack/dev/feedback-tags.json. Pre-seeded withMKas the default. Edit this file directly to add, modify, or delete tags later. -
Use AskUserQuestion: "Want to add another tag now? You can also add more later by editing the file." with options:
- A) No, continue with MK
- B) Yes, add another tag
-
If the user picks B, ask 4 questions in sequence (one AskUserQuestion call each, free-text answers):
- "What tag prefix? (short uppercase letters only — e.g., REV, FB, TODO. Will be matched case-insensitively in documents.)"
- "Who are these comments from? (e.g., 'External reviewer')"
- "What do these comments typically contain? (e.g., 'Suggestions and open questions')"
- "What action should I take with these comments? (e.g., 'Treat as suggestions; flag for discussion before applying')"
Read the current config, append the new tag object to the
tagsarray, write the updated file. Then ask "Add another?" again — loop until user says no.
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.
- 2mo ago First seen · 145 lines · 83 tokens per session scan A 5805f3a95b2c
review-feedback is a skill published in the GitHub repository mayank-io/mstack (6 stars, last pushed 3d ago), licensed MIT. It adds 83 tokens to every session and 1,441 once invoked, about $0.0003 per session on Opus 5.5. 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 2026-08-31.
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