Official agent skill

Signals Scout Csp Violations

by PostHog in PostHog/posthog

Signals scout for Content Security Policy violations. An agent skill from PostHog/posthog.

OfficialCustom licenceAuto-check passed

Install Signals Scout Csp Violations

skills CLI
$ npx skills add PostHog/posthog --skill signals-scout-csp-violations -a claude-code

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

GitHub CLI
$ gh skill install PostHog/posthog signals-scout-csp-violations --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/products/signals/skills/signals-scout-csp-violations .claude/skills/signals-scout-csp-violations && 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
signals-scout-csp-violations
GitHub stars
40k
Token cost
~10k tokens
SKILL.md length
5,083 words
Files
1
Skills in repo
254
Repo updated
First seen
Licence
Custom licence

At a glance

Signals scout for Content Security Policy violations. An agent skill from PostHog/posthog.

  • Works in 3 steps: Legitimate — CSP policy needs widening.… → Compromised — injected or third-party… → Third-party drift — vendor script the…
  • SKILL.md covers Activity-history availability, Quick close-out: is CSP…, How a run works and Disqualifiers (skip these), plus 3 more sections
  • Calls gh

What it does

Signals Scout Csp Violations is an agent skill from PostHog/posthog, published by the product's own GitHub organization. Signals scout for Content Security Policy violations. Watches $cspviolation events for blocked-URL clusters, per-directive bursts, post-deploy regressions, and suspicious third- party domains.

Its SKILL.md is about 10k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts. Compatibility notes: PostHog Signals agent (Claude sandbox). Read-only analytics + signalscoutinternal:write (scratchpad) + signalscoutreport:write (report channel), plus the…

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…

Example prompts

  • “Use the signals-scout-csp-violations skill to signal scout for Content Security Policy violations. An agent skill from PostHog/posthog”
  • “/signals-scout-csp-violations”

Requirements

  • Compatibility (from SKILL.md): PostHog Signals agent (Claude sandbox). Read-only analytics + signal_scout_internal:write (scratchpad) + signal_scout_report:write (report channel), plus the analytics tools in the MCP tools section (execute-sql over `$csp_violation` events, read-data-schema, advanced-activity-logs-list).

Workflow steps

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

  1. Legitimate — CSP policy needs widening. New CDN, new analytics provider, new marketing tag the team rolled out and forgot to add to the…
  2. Compromised — injected or third-party script indicating a security incident. Fresh domain nobody recognizes, especially script-src…
  3. Third-party drift — vendor script the team should remove. Old analytics SDK still loaded from a deprecated bundle, ad pixel from a churned…

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:

    • gh

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

  • Network

    No URLs in SKILL.md. Its commands use gh, 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.

  • Compatibility

    PostHog Signals agent (Claude sandbox). Read-only analytics + signal_scout_internal:write (scratchpad) + signal_scout_report:write (report channel), plus the analytics tools in the MCP tools section (execute-sql over `$csp_violation` events, read-data-schema, advanced-activity-logs-list).

    From compatibility in the SKILL.md frontmatter.

Context cost

Signals Scout Csp Violations loads about 10k tokens when it runs. Until then it costs about 56 tokens; SKILL.md has 5,083 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~56
When it runs · the whole SKILL.md, loaded when a task matches
~10k

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 5,083 words (~10,301 tokens).

“You are a focused CSP scout. Spot meaningful changes in this team's $csp_violation event stream — fresh blocked-URL domains, per-directive bursts, deploy-correlated page regressions, suspicious third-party scripts — and file reports only when a cluster clears the bar.”

— opening of SKILL.md by PostHog, Custom licence
name
signals-scout-csp-violations
compatibility
PostHog Signals agent (Claude sandbox). Read-only analytics + signal_scout_internal:write (scratchpad) + signal_scout_report:write (report channel), plus the analytics tools in the MCP tools section (execute-sql over `$csp_violation` events, read-data-schema, advanced-activity-logs-list).
scout-display-name
CSP violations
metadata.owner_team
signals
metadata.scope
csp_violations

Read the full SKILL.md on GitHub

Files

Just SKILL.md in products/signals/skills/signals-scout-csp-violations of PostHog/posthog.

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

Signals Scout Csp Violations 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.

Signals Scout Csp Violations compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Signals Scout Csp Violations this skillPostHog/posthog40k—~10kAutomated safety check: PassCustom licence
Implementing Policy As Code With Open Policy Agentmukul975/Anthropic-Cybersecurity-Skills34k—~2.6kAutomated safety check: NotesApache-2.0
Editorial Policythedaviddias/Front-End-Checklist74k—~763Automated safety check: PassMIT
Agent Signal Pipelinelobehub/lobehub83k—~1.7kAutomated safety check: PassCustom licence
Policy Acknowledgementsickn33/agentic-awesome-skills47k1 repos~3.4kAutomated safety check: PassMIT
Agent Scout Explorerruvnet/ruflo74k2 repos~1.6kAutomated safety check: PassMIT

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  • Implementing Policy As Code With Open Policy Agent

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  • Editorial Policy

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    83k GitHub stars~1.7k tokensUpdated today
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Questions about Signals Scout Csp Violations

What does Signals Scout Csp Violations do?

Signals scout for Content Security Policy violations. An agent skill from PostHog/posthog. Signals Scout Csp Violations is an agent skill from PostHog/posthog, published by the product's own GitHub organization. Signals scout for Content Security Policy violations.

How do I install Signals Scout Csp Violations in Claude Code?

Run `npx skills add PostHog/posthog --skill signals-scout-csp-violations -a claude-code`. Or copy the skill folder (products/signals/skills/signals-scout-csp-violations in PostHog/posthog) into .claude/skills/signals-scout-csp-violations in your project. Claude Code loads it when a task matches its description.

How do I install Signals Scout Csp Violations in Codex?

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

Can I use Signals Scout Csp Violations 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 signals-scout-csp-violations -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/signals-scout-csp-violations, .gemini/skills/signals-scout-csp-violations, .github/skills/signals-scout-csp-violations and .opencode/skills/signals-scout-csp-violations in your project.

What does Signals Scout Csp Violations need to run?

Going by SKILL.md and its folder, Signals Scout Csp Violations needs the command-line tools its instructions call (gh). Compatibility (from SKILL.md): PostHog Signals agent (Claude sandbox). Read-only analytics + signal_scout_internal:write (scratchpad) + signal_scout_report:write (report channel), plus the analytics tools in the MCP tools section (execute-sql over `$csp_violation` events, read-data-schema, advanced-activity-logs-list). .

Does Signals Scout Csp Violations access the network?

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

Is Signals Scout Csp Violations 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 Signals Scout Csp Violations use?

Signals Scout Csp Violations 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 Signals Scout Csp Violations use?

About 10k tokens (SKILL.md is roughly 41k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Signals Scout Csp Violations?

Skills that share tags, products or a category with Signals Scout Csp Violations: Implementing Policy As Code With Open Policy Agent (mukul975/Anthropic-Cybersecurity-Skills, 34k stars), Editorial Policy (thedaviddias/Front-End-Checklist, 74k stars), Agent Signal Pipeline (lobehub/lobehub, 83k stars) and Policy Acknowledgement (sickn33/agentic-awesome-skills, 47k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Signals Scout Csp Violations?

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.