lfx-mcp: Skill for Claude Code

.github/skills/agentic-comment-format/SKILL.md

agentic-comment-format is a skill for Claude Code, Codex from linuxfoundation/lfx-mcp. It costs 77 tokens per session (1,919 once invoked), scanned A, original, MIT.

A formatting guide for verdict comments posted on LFX MCP pull requests. It defines the visible message and hidden markers that an automated workflow reads.

In plain words
What is it for?
Use it when posting either a needs-human escalation decision or an agentic-check result on a pull request.
Why use it?
It prevents automation from missing a verdict because its required comment structure or machine-readable markers are wrong.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

This is linuxfoundation/lfx-mcp's own configuration. It tells Claude Code and Codex how to work on lfx-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything lfx-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to linuxfoundation/lfx-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/linuxfoundation/lfx-mcp/main/.github/skills/agentic-comment-format/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/linuxfoundation/lfx-mcp

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for agentic-comment-format

README.md
[![agentmods](https://agentmods.dev/badge/skills/linuxfoundation/lfx-mcp/agentic-comment-format/github.svg)](https://agentmods.dev/skills/linuxfoundation/lfx-mcp/agentic-comment-format)
Your own site
<a href="https://agentmods.dev/skills/linuxfoundation/lfx-mcp/agentic-comment-format"><img src="https://agentmods.dev/badge/skills/linuxfoundation/lfx-mcp/agentic-comment-format/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.

agentmods 80×15 button for agentic-comment-format

Your own site · 80×15
<a href="https://agentmods.dev/skills/linuxfoundation/lfx-mcp/agentic-comment-format"><img src="https://agentmods.dev/badge/skills/linuxfoundation/lfx-mcp/agentic-comment-format.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 77 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,919 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00077 $0.01919
Opus 5.5 $0.00031 $0.00768
Sonnet 5.5 $0.00015 $0.00384
Haiku 4.5 $0.00008 $0.00192

Measured 1mo ago against content hash 332e5119c509, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

agentic-comment-format 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 1mo 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.

.github/skills/agentic-comment-format/SKILL.md · 167 lines

How it starts

The opening of the file, as written. The whole thing — 167 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Agentic verdict comment format

Both agentic roles publish exactly one verdict comment on the pull request, via the add_issue_comment tool. Each comment is two things at once: a clear, useful message for the engineer, and a machine-readable marker that a deterministic workflow step (agentic-apply.yml) parses to set labels and the commit status.

The markers are load-bearing — keep them exactly as written here or the deterministic step stops working. The prose around them is yours to make genuinely good to read.

Shared rules:

  • One comment per verdict. Never split it across comments.
  • Markers are HTML comments (<!-- ... -->) so they are invisible in the rendered view and never clutter what the engineer sees. The deterministic step greps for them.
  • Write for a busy engineer: lead with the outcome, be specific, point at the code, and do not pad.

Needs-human verdict (escalation judge)

Posted when the PR opens and again for each new head (the escalation re-runs per push; the label it drives is sticky and add-only). When a human must sign off before merge:

<!-- agentic:needs-human v1 -->
<!-- needs-human: yes -->
<!-- head: <full 40-char SHA of the head you judged> -->
<!-- base: <the PR's base branch name, as given in your task> -->
### Needs a human before merge

**Why:** <one specific sentence: what a lead needs to know about and why>

When no human sign-off is required:

<!-- agentic:needs-human v1 -->
<!-- needs-human: no -->
<!-- head: <full 40-char SHA of the head you judged> -->
<!-- base: <the PR's base branch name, as given in your task> -->
### No human sign-off required

<one specific sentence: what you checked and why this change is routine>

The <!-- needs-human: yes --> / <!-- needs-human: no --> line is the machine signal. The deterministic step sets the sticky needs-human label when it is yes, and does nothing when it is no. Do not set the label yourself, and write the marker exactly — it is the only place the words needs-human: yes|no may appear in your comment.

Read the full file on GitHub · 167 lines

Changes

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.

  1. 1mo ago First seen · 167 lines · 77 tokens per session scan A 332e5119c509

Subscribe to this mod's changes

agentic-comment-format is a skill published in the GitHub repository linuxfoundation/lfx-mcp (21 stars, last pushed 6d ago), licensed MIT. It adds 77 tokens to every session and 1,919 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 2026-09-26.

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