Official agent skill

Signals Scout Apm

by PostHog in PostHog/posthog

Signals scout for PostHog distributed tracing (APM / OpenTelemetry spans).

OfficialCustom licenceAuto-check passedDevOps & Cloud

Install Signals Scout Apm

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

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

GitHub CLI
$ gh skill install PostHog/posthog signals-scout-apm --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-apm .claude/skills/signals-scout-apm && 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-apm
GitHub stars
40k
Token cost
~4.5k tokens
SKILL.md length
2,314 words
Files
1
Skills in repo
254
Repo updated
First seen
Licence
Custom licence

At a glance

Signals scout for PostHog distributed tracing (APM / OpenTelemetry spans).

  • Tasks that involve Monitoring and alerting
  • SKILL.md covers Quick close-out: is APM even…, How a run works, Disqualifiers (skip these) and MCP tools
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
  • Tasks that involve Observability

What it does

Signals Scout Apm is an agent skill from PostHog/posthog, published by the product's own GitHub organization. Signals scout for PostHog distributed tracing (APM / OpenTelemetry spans). Watches per-service RED metrics for error-rate and latency regressions, new error signatures, and traffic cliffs.

Its SKILL.md is about 4.5k 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 apm-…

It sits in DevOps & Cloud, covering Monitoring and alerting and Observability. It works with PostHog and OpenTelemetry. 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 Monitoring and alerting
  • Tasks that involve Observability

Example prompts

  • “Use the signals-scout-apm skill to signal scout for PostHog distributed tracing (APM / OpenTelemetry spans)”
  • “/signals-scout-apm”

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 apm-* tool family (query-apm-spans, apm-trace-get, apm-spans-aggregate, apm-spans-tree, apm-spans-count, apm-spans-sparkline, apm-spans-duration-histogram, apm-attribute-breakdown, apm-services-list, apm-attributes-list, apm-attribute-values-list) and the bundled exploring-apm-traces deep-dive skill.

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

    No scripts in the folder and no shell commands in SKILL.md (its code samples are json).

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

  • Network

    No URLs in SKILL.md.

    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 apm-* tool family (query-apm-spans, apm-trace-get, apm-spans-aggregate, apm-spans-tree, apm-spans-count, apm-spans-sparkline, apm-spans-duration-histogram, apm-attribute-breakdown, apm-services-list, apm-attributes-list, apm-attribute-values-list) and the bundled exploring-apm-traces deep-dive skill.

    From compatibility in the SKILL.md frontmatter.

Context cost

Signals Scout Apm loads about 4.5k tokens when it runs. Until then it costs about 52 tokens; SKILL.md has 2,314 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~52
When it runs · the whole SKILL.md, loaded when a task matches
~4.5k

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 2,314 words (~4,494 tokens).

“You are a focused APM scout. Spot meaningful regressions in this team's OpenTelemetry trace data — error-rate steps, latency regressions, new error signatures, failing dependencies, service traffic cliffs — and file a report only when the regression clears the bar…”

— opening of SKILL.md by PostHog, Custom licence
name
signals-scout-apm
compatibility
PostHog Signals agent (Claude sandbox). Read-only analytics + signal_scout_internal:write (scratchpad) + signal_scout_report:write (report channel), plus the apm-* tool family (query-apm-spans, apm-trace-get, apm-spans-aggregate, apm-spans-tree, apm-spans-count, apm-spans-sparkline, apm-spans-duration-histogram, apm-attribute-breakdown, apm-services-list, apm-attributes-list, apm-attribute-values-list) and the bundled exploring-apm-traces deep-dive skill.
scout-display-name
APM
metadata.owner_team
signals
metadata.scope
apm

Read the full SKILL.md on GitHub

Files

Just SKILL.md in products/signals/skills/signals-scout-apm 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 7, 2026.

Compare with similar skills

Signals Scout Apm 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 Apm compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Signals Scout Apm this skillPostHog/posthog40k—~4.5kAutomated safety check: PassCustom licence
Axiom Metrics Queryopenclaw/clawhub9.5k—~2.6kAutomated safety check: PassMIT
OpenTelemetry Pipeline Metrics Speccomet-ml/opik22k—~3.2kAutomated safety check: PassApache-2.0
Temps Best Practicesgotempsh/temps833—~2.9kAutomated safety check: PassApache-2.0
Agent Platform Alert Configurationgoogle/skills21k—~4.2kAutomated safety check: PassApache-2.0
Logfire Instrumentationbasicmachines-co/basic-memory4.1k—~2.3kAutomated safety check: PassAGPL-3.0

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Categories

Questions about Signals Scout Apm

What does Signals Scout Apm do?

Signals scout for PostHog distributed tracing (APM / OpenTelemetry spans). Signals Scout Apm is an agent skill from PostHog/posthog, published by the product's own GitHub organization. Signals scout for PostHog distributed tracing (APM / OpenTelemetry spans).

When should I use Signals Scout Apm?

Signals Scout Apm fits situations like: tasks that involve Monitoring and alerting; tasks that involve Observability.

How do I install Signals Scout Apm in Claude Code?

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

How do I install Signals Scout Apm in Codex?

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

Can I use Signals Scout Apm 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-apm -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-apm, .gemini/skills/signals-scout-apm, .github/skills/signals-scout-apm and .opencode/skills/signals-scout-apm in your project.

What does Signals Scout Apm need to run?

SKILL.md names no scripts, command-line tools or credentials: Signals Scout Apm is instructions for the agent only. 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 apm-* tool family (query-apm-spans, apm-trace-get, apm-spans-aggregate, apm-spans-tree, apm-spans-count, apm-spans-sparkline, apm-spans-duration-histogram, apm-attribute-breakdown, apm-services-list, apm-attributes-list, apm-attribute-values-list) and the bundled exploring-apm-traces deep-dive skill. .

Does Signals Scout Apm access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Signals Scout Apm 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 Apm use?

Signals Scout Apm 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 Apm use?

About 4.5k tokens (SKILL.md is roughly 18k 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 Apm?

Skills that share tags, products or a category with Signals Scout Apm: Axiom Metrics Query (openclaw/clawhub, 9.5k stars), OpenTelemetry Pipeline Metrics Spec (comet-ml/opik, 22k stars), Temps Best Practices (gotempsh/temps, 833 stars) and Agent Platform Alert Configuration (google/skills, 21k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Signals Scout Apm?

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.