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Official agent skill

Reviewing Personhog Protocol

by PostHog in PostHog/posthog

The full review process for personhog coordination-protocol changes — leases, fencing, handoffs, supervisors, failure budgets, warming, and changelog semantics.

OfficialCustom licenceAuto-check passedDevelopment

Install Reviewing Personhog Protocol

skills CLI
$ npx skills add PostHog/posthog --skill reviewing-personhog-protocol -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install PostHog/posthog reviewing-personhog-protocol --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/PostHog/posthog.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/reviewing-personhog-protocol .claude/skills/reviewing-personhog-protocol && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
reviewing-personhog-protocol
GitHub stars
40k
Token cost
~2.3k tokens
SKILL.md length
1,184 words
Files
2 (incl. references)
Skills in repo
254
Repo updated
First seen
Licence
Custom licence

At a glance

The full review process for personhog coordination-protocol changes — leases, fencing, handoffs, supervisors, failure budgets, warming, and changelog semantics.

  • Works in 4 steps: Author pass. Sweep the full diff against… → Independent adversarial pass. Spawn a… → Author verification. Verify every… → …
  • Tasks that involve Changelog and release notes
  • SKILL.md covers The process: two passes, then…, The lens dimensions, The layers a change must clear and Fix discipline, plus 1 more section
  • Calls git

What it does

Reviewing Personhog Protocol is an agent skill from PostHog/posthog, published by the product's own GitHub organization. The full review process for personhog coordination-protocol changes — leases, fencing, handoffs, supervisors, failure budgets, warming, and changelog semantics. Use before pushing or requesting review on any personhog protocol changeset, when asked for an exhaustive or careful review of personhog code, and after any reviewer finds a gap the author missed. Covers the adversarial two-pass process, the review lens dimensions, the model-checking and test layers a change must clear, and the red-check-every-fix…

Its SKILL.md is about 2.3k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/personhog-invariants.md`).

It sits in Development, covering Changelog and release notes. The repository describes itself as: :hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error…

When your agent uses it

  • Tasks that involve Changelog and release notes

Example prompts

  • “/reviewing-personhog-protocol”

Workflow steps

4 steps, taken from the first numbered list in SKILL.md.

  1. Author pass. Sweep the full diff against every lens dimension
  2. Independent adversarial pass. Spawn a cold-context agent on the
  3. Author verification. Verify every finding against code before
  4. After a fix batch, review again. Fresh agent, full scope, with the

What it can do on your machine

Read from SKILL.md and the folder at commit c012c8d. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • git

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use git, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Reviewing Personhog Protocol loads about 2.3k tokens when it runs, and up to ~3.1k if it reads all its reference files. Until then it costs about 138 tokens; SKILL.md has 1,184 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~138
When it runs · the whole SKILL.md, loaded when a task matches
~2.3k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~3.1k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 1,184 words (~2,270 tokens).

“Protocol defects survive ordinary review because every component looks correct in isolation — the bugs live in compositions: an authority signal nobody observes during one await, a threshold that coincides with a detector's duration, a rarely-taken exit path that skips…”

— opening of SKILL.md by PostHog, Custom licence
name
reviewing-personhog-protocol

Read the full SKILL.md on GitHub

Files

SKILL.md and 1 other file (references) in .agents/skills/reviewing-personhog-protocol of PostHog/posthog.

  • SKILL.md
  • references/personhog-invariants.md

Open the folder on GitHubat commit c012c8d

Used in 1 other repository

We found 1 copy of this SKILL.md (exact, near-identical or edited) in other folders. This page covers the copy in PostHog/posthog, which our catalogue first saw on October 8, 2026.

Compare with similar skills

Reviewing Personhog Protocol next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Reviewing Personhog Protocol compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Reviewing Personhog Protocol this skillPostHog/posthog40k—~2.3kAutomated safety check: PassCustom licence
Simple Englishmoeru-ai/airi50k2 repos~4.6kAutomated safety check: PassMIT
StarRocks Release NotesStarRocks/starrocks12k—~1.9kAutomated safety check: NotesApache-2.0
Cutting A ReleaseTriliumNext/Trilium38k—~3.2kAutomated safety check: PassAGPL-3.0
Mole CLI Release Flowtw93/Mole70k—~2.6kAutomated safety check: PassGPL-3.0
React Router Release Notes Prepremix-run/react-router57k—~1.1kAutomated safety check: PassMIT

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Categories

Questions about Reviewing Personhog Protocol

What does Reviewing Personhog Protocol do?

The full review process for personhog coordination-protocol changes — leases, fencing, handoffs, supervisors, failure budgets, warming, and changelog semantics. Reviewing Personhog Protocol is an agent skill from PostHog/posthog, published by the product's own GitHub organization. The full review process for personhog coordination-protocol changes — leases, fencing, handoffs, supervisors, failure budgets, warming, and changelog semantics.

When should I use Reviewing Personhog Protocol?

Reviewing Personhog Protocol fits situations like: tasks that involve Changelog and release notes.

How do I install Reviewing Personhog Protocol in Claude Code?

Run `npx skills add PostHog/posthog --skill reviewing-personhog-protocol -a claude-code`. Or copy the skill folder (.agents/skills/reviewing-personhog-protocol in PostHog/posthog) into .claude/skills/reviewing-personhog-protocol in your project. Claude Code loads it when a task matches its description.

How do I install Reviewing Personhog Protocol in Codex?

Run `npx skills add PostHog/posthog --skill reviewing-personhog-protocol -a codex`. Or copy the skill folder (.agents/skills/reviewing-personhog-protocol in PostHog/posthog) into .agents/skills/reviewing-personhog-protocol in your project. Codex loads it when a task matches its description.

Can I use Reviewing Personhog Protocol in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add PostHog/posthog --skill reviewing-personhog-protocol -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/reviewing-personhog-protocol, .gemini/skills/reviewing-personhog-protocol, .github/skills/reviewing-personhog-protocol and .opencode/skills/reviewing-personhog-protocol in your project.

What does Reviewing Personhog Protocol need to run?

Going by SKILL.md and its folder, Reviewing Personhog Protocol needs the command-line tools its instructions call (git).

Does Reviewing Personhog Protocol access the network?

SKILL.md contains no URLs. Its commands use git, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Reviewing Personhog Protocol safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Reviewing Personhog Protocol use?

Reviewing Personhog Protocol has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Reviewing Personhog Protocol use?

About 2.3k tokens (SKILL.md is roughly 9.1k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 846 tokens, read only when the agent opens those files.

What are the alternatives to Reviewing Personhog Protocol?

Skills that share tags, products or a category with Reviewing Personhog Protocol: Simple English (moeru-ai/airi, 50k stars), StarRocks Release Notes (StarRocks/starrocks, 12k stars), Cutting A Release (TriliumNext/Trilium, 38k stars) and Mole CLI Release Flow (tw93/Mole, 70k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Reviewing Personhog Protocol?

PostHog (a GitHub organization, an official publisher) maintains it in PostHog/posthog, which has 40,209 GitHub stars. The repository holds 254 skills in this directory. The repository was last updated on October 10, 2026.

Source: PostHog/posthog on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.