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wizard: Skill for Claude Code

.claude/skills/exploring-the-wizard/SKILL.md

exploring-the-wizard is a skill for Claude Code from PostHog/wizard. It costs 45 tokens per session (1,743 once invoked), scanned A, original, MIT.

A method for testing the PostHog terminal setup wizard from start to finish on a real app without using its normal interactive controls. A terminal user interface, or TUI, is an application that runs inside a command-line window.

In plain words
What is it for?
Use it to boot the wizard on an app, read its current screen, choose actions, run the integration, and capture screen snapshots. It can also test the creation of PostHog dashboards and insights.
Why use it?
It lets you inspect every wizard screen and make each decision yourself, which helps find problems in detection, setup, authentication, integrations, and later steps.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is PostHog/wizard's own configuration. It tells Claude Code how to work on wizard 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 wizard configures →

not rated 201repo +1 changed 14d ago A scan SkillSpector: warn 45 tokens original MIT
View source ↗ PostHog/wizard posthog.com
Reuse

Borrowing it

Nothing to install: this file belongs to PostHog/wizard. 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/PostHog/wizard/main/.claude/skills/exploring-the-wizard/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/PostHog/wizard

Made for: Claude Code.

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 exploring-the-wizard

README.md
[![agentmods](https://agentmods.dev/badge/skills/posthog/wizard/exploring-the-wizard/github.svg)](https://agentmods.dev/skills/posthog/wizard/exploring-the-wizard)
Your own site
<a href="https://agentmods.dev/skills/posthog/wizard/exploring-the-wizard"><img src="https://agentmods.dev/badge/skills/posthog/wizard/exploring-the-wizard/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 exploring-the-wizard

Your own site · 80×15
<a href="https://agentmods.dev/skills/posthog/wizard/exploring-the-wizard"><img src="https://agentmods.dev/badge/skills/posthog/wizard/exploring-the-wizard.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 45 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,743 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. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 2 findings, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium MCP Rug Pull · line 18
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
  • medium MCP Rug Pull · line 118
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
How audits are shown
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 $0.00045 $0.01743
Opus 5.5 $0.00018 $0.00697
Sonnet 5.5 $0.00009 $0.00349
Haiku 4.5 $0.00005 $0.00174

Measured 14d ago against content hash 797b621bc954, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

exploring-the-wizard 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 14d 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.

.claude/skills/exploring-the-wizard/SKILL.md · 135 lines

How it starts

The opening of the file, as written. The whole thing — 135 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Exploring the wizard as an agent

Drive the real TUI from this checkout using the wizard-ci MCP server in .mcp.json. If its tools are unavailable, check registration and startup errors; request approval only if the client reports that approval is missing.

Follow the runner policy for harness, sequence, and gateway policy. For new exploration, launch the server with SNAP_HARNESS=pi; prefer SNAP_SEQUENCE=orchestrator for the integration flow. These are server environment variables, not MCP arguments. Restart an existing server to change its environment. See the host architecture for other programs, overrides, and current limitations.

Prepare the run

Copy the target app to a throwaway directory under /tmp: a full run edits files and can create real PostHog resources. open_app replaces the active wizard, so finish recording one app before opening another.

  • Detection only: pass appDir and projectId (both required strings), with no key. Stop at auth without calling run_agent.
  • Full integration: reuse the authorized phx key file path, separate gateway token file path, and project id; ask only for missing inputs. Prefer keyFile so the key stays out of tool arguments. Set WIZARD_CI_GATEWAY_TOKEN_FILE in the MCP server environment before launch (restart an existing server); it is not an open_app argument. The file must contain an already-issued gateway bearer, not the phx key. CI does not mint or refresh it. Never print or commit either secret. See local credential setup. Read the credential and region limitations before starting: an inherited key can shadow keyFile, and the host currently hardcodes the US region.
  • Questions during the run: launch the server with E2E_ASK=true to keep wizard_ask available in this CI session. Handle questions yourself through the actions below; fixed-route answer profiles do not drive the MCP route.

Read the full file on GitHub · 135 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. 14d ago Changed 797b621bc954
  2. 1mo ago Changed · +1 lines 0b6b89e3bef0
  3. 1mo ago Changed b14570a837ab
  4. 1mo ago Changed 352aa1cbf21b
  5. 1mo ago Changed · +5 lines 80f50e8e81eb
  6. 1mo ago Changed · -7 lines · -28 tokens per session b9ce2bef7d99
  7. 2mo ago First seen · 136 lines · 73 tokens per session scan A 4bbc27f8c7b7

Subscribe to this mod's changes

exploring-the-wizard is a skill published in the GitHub repository PostHog/wizard (201 stars, last pushed yesterday), licensed MIT. It adds 45 tokens to every session and 1,743 once invoked, about $0.0002 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 2026-08-30.

Browser automationTestingonboardingposthogwizard
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exploring-the-wizard next to 6 skills from other repositories
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test-electron-appPostHog/posthog-fossSkill728yesterdayMITA112Claude Code
smoke-testSkyvern-AI/skyvernSkill23kyesterdayAGPL-3.0A50Claude Code, Codex