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Official agent skill

Investigating Replay

by PostHog in PostHog/posthog

Investigates a session recording by gathering metadata, person profile, same-session events, and linked error tracking issues in one pass.

OfficialCustom licenceAuto-check passedDatabases

Install Investigating Replay

skills CLI
$ npx skills add PostHog/posthog --skill investigating-replay -a claude-code

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

GitHub CLI
$ gh skill install PostHog/posthog investigating-replay --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/replay/skills/investigating-replay .claude/skills/investigating-replay && 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
investigating-replay
GitHub stars
40k
Token cost
~2.4k tokens
SKILL.md length
887 words
Files
1
Skills in repo
254
Repo updated
First seen
Licence
Custom licence

At a glance

Investigates a session recording by gathering metadata, person profile, same-session events, and linked error tracking issues in one pass.

  • Works in 4 steps: Get recording metadata and person profile → Query same-session events → Check for linked error tracking issues → …
  • A user provides a recording
  • SKILL.md covers Available tools, Workflow, Tips and Related skills
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Investigating Replay is an agent skill from PostHog/posthog, published by the product's own GitHub organization. Investigates a session recording by gathering metadata, person profile, same-session events, and linked error tracking issues in one pass. Use when a user provides a recording or session ID and wants to understand what happened — who the user was, what they did, what errors occurred, and whether there are related error tracking issues. Replaces the manual chain of session-recording-get, persons-retrieve, execute-sql, and query-error-tracking-issues-list.

Its SKILL.md is about 2.4k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Databases, covering SQL. It works with PostHog and SQL. 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

  • A user provides a recording
  • Session ID and wants to understand what happened — who the user was
  • What errors occurred
  • Whether there are related error tracking issues

Example prompts

  • “Use the investigating-replay skill to investigate a session recording by gathering metadata, person profile, same-session events, and linked error…”
  • “/investigating-replay”

Workflow steps

4 steps, taken from the step headings in SKILL.md.

  1. Get recording metadata and person profile
  2. Query same-session events
  3. Check for linked error tracking issues
  4. Synthesize the investigation

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 and sql).

    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.

Context cost

Investigating Replay loads about 2.4k tokens when it runs. Until then it costs about 120 tokens; SKILL.md has 887 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~120
When it runs · the whole SKILL.md, loaded when a task matches
~2.4k

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 887 words (~2,448 tokens).

“When a user asks "what happened in this session?" or provides a recording/session ID to investigate, gather all relevant context in parallel rather than making them ask for each piece.”

— opening of SKILL.md by PostHog, Custom licence
name
investigating-replay

Read the full SKILL.md on GitHub

Files

Just SKILL.md in products/replay/skills/investigating-replay 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

Investigating Replay 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.

Investigating Replay compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Investigating Replay this skillPostHog/posthog40k—~2.4kAutomated safety check: PassCustom licence
Evolving The Data ModelTriliumNext/Trilium38k—~2.1kAutomated safety check: PassAGPL-3.0
Orchardcore Data MigrationOrchardCMS/OrchardCore8.2k—~1.7kAutomated safety check: PassBSD-3-Clause
SQL Optimization Patternsynulihao/AgentSkillOS61811 repos~3.3kAutomated safety check: PassNone
SQL PortabilityHL7/sql-on-fhir151—~512Automated safety check: PassCustom licence
StmoSAP/project-foxhound1802 repos~1.8kAutomated safety check: PassGPL-3.0

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Works with

Categories

Questions about Investigating Replay

What does Investigating Replay do?

Investigates a session recording by gathering metadata, person profile, same-session events, and linked error tracking issues in one pass. Investigating Replay is an agent skill from PostHog/posthog, published by the product's own GitHub organization. Investigates a session recording by gathering metadata, person profile, same-session events, and linked error tracking issues in one pass.

When should I use Investigating Replay?

Investigating Replay fits situations like: A user provides a recording; session ID and wants to understand what happened — who the user was; what errors occurred; whether there are related error tracking issues.

How do I install Investigating Replay in Claude Code?

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

How do I install Investigating Replay in Codex?

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

Can I use Investigating Replay 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 investigating-replay -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/investigating-replay, .gemini/skills/investigating-replay, .github/skills/investigating-replay and .opencode/skills/investigating-replay in your project.

What does Investigating Replay need to run?

SKILL.md names no scripts, command-line tools or credentials: Investigating Replay is instructions for the agent only.

Does Investigating Replay 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 Investigating Replay 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 Investigating Replay use?

Investigating Replay 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 Investigating Replay use?

About 2.4k tokens (SKILL.md is roughly 9.8k 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 Investigating Replay?

Skills that share tags, products or a category with Investigating Replay: Evolving The Data Model (TriliumNext/Trilium, 38k stars), Orchardcore Data Migration (OrchardCMS/OrchardCore, 8.2k stars), SQL Optimization Patterns (ynulihao/AgentSkillOS, 618 stars) and SQL Portability (HL7/sql-on-fhir, 151 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Investigating Replay?

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.