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Official agent skill

Depot Container Builds

by PostHog in PostHog/posthog

Configures and runs Depot remote container builds using depot build and depot bake.

OfficialCustom licenceAuto-check passedDevOps & Cloud

Install Depot Container Builds

skills CLI
$ npx skills add PostHog/posthog --skill depot-container-builds -a claude-code

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

GitHub CLI
$ gh skill install PostHog/posthog depot-container-builds --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/depot-container-builds .claude/skills/depot-container-builds && 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
depot-container-builds
GitHub stars
40k
Token cost
~3.7k tokens
SKILL.md length
830 words
Files
2
Skills in repo
254
Repo updated
First seen
Licence
Custom licence

At a glance

Configures and runs Depot remote container builds using depot build and depot bake.

  • Building Docker images
  • SKILL.md covers Project Selection for…, Key Concepts, depot build — Essential Patterns and depot bake — Multi-Image Builds, plus 6 more sections
  • Calls docker
  • Creating Dockerfiles with Depot

What it does

Depot Container Builds is an agent skill from PostHog/posthog, published by the product's own GitHub organization. Configures and runs Depot remote container builds using depot build and depot bake. Use when building Docker images, creating Dockerfiles with Depot, pushing images to registries, building multi-platform/multi-arch images (linux/amd64, linux/arm64), debugging container build failures, optimizing Dockerfile layer caching, using docker-bake.hcl or docker-compose builds, or migrating from docker build / docker buildx build to Depot. Also use when the user mentions depot build, depot bake, container builds, image…

Its SKILL.md is about 3.7k tokens, which your agent loads only when the skill is triggered. The skill folder holds 1 other file (for example `UPSTREAM.md`).

It sits in DevOps & Cloud, covering Containers. It works with Docker and Linux. 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

  • Building Docker images
  • Creating Dockerfiles with Depot
  • Pushing images to registries
  • Building multi-platform/multi-arch images (linux/amd64

Example prompts

  • “Use the depot-container-builds skill to configure and runs Depot remote container builds using depot build and depot bake”
  • “/depot-container-builds”

Requirements

  • Docker

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:

    • docker

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

  • Network

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

Depot Container Builds loads about 3.7k tokens when it runs. Until then it costs about 158 tokens; SKILL.md has 830 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~158
When it runs · the whole SKILL.md, loaded when a task matches
~3.7k

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 830 words (~3,695 tokens).

“Before you propose a change to CI, check things already tried for the idea. It records what was measured, and why some good-sounding changes were reverted or rejected.”

— opening of SKILL.md by PostHog, Custom licence
name
depot-container-builds

Read the full SKILL.md on GitHub

Files

SKILL.md and 1 other file in .agents/skills/depot-container-builds of PostHog/posthog.

  • SKILL.md
  • UPSTREAM.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 7, 2026.

Compare with similar skills

Depot Container Builds 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.

Depot Container Builds compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Depot Container Builds this skillPostHog/posthog40k—~3.7kAutomated safety check: PassCustom licence
Swig CI Reproswig/swig6.3k—~1.2kAutomated safety check: PassCustom licence
.NET Crash Dump Collectiondotnet/skills5.6k2 repos~1.1kAutomated safety check: PassMIT
Docker Jfr Benchmark Loopeclipse-rdf4j/rdf4j420—~945Automated safety check: PassBSD-3-Clause
Minimegasandia-minimega/minimega160—~3.2kAutomated safety check: PassGPL-3.0-only
Oneclickvirtoneclickvirt/oneclickvirt372—~1.1kAutomated safety check: PassGPL-3.0

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Works with

Categories

Questions about Depot Container Builds

What does Depot Container Builds do?

Configures and runs Depot remote container builds using depot build and depot bake. Depot Container Builds is an agent skill from PostHog/posthog, published by the product's own GitHub organization. Configures and runs Depot remote container builds using depot build and depot bake.

When should I use Depot Container Builds?

Depot Container Builds fits situations like: building Docker images; creating Dockerfiles with Depot; pushing images to registries; building multi-platform/multi-arch images (linux/amd64.

How do I install Depot Container Builds in Claude Code?

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

How do I install Depot Container Builds in Codex?

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

Can I use Depot Container Builds 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 depot-container-builds -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/depot-container-builds, .gemini/skills/depot-container-builds, .github/skills/depot-container-builds and .opencode/skills/depot-container-builds in your project.

What does Depot Container Builds need to run?

Going by SKILL.md and its folder, Depot Container Builds needs the command-line tools its instructions call (docker). Our summary lists: Docker.

Does Depot Container Builds access the network?

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

Is Depot Container Builds 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 Depot Container Builds use?

Depot Container Builds 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 Depot Container Builds use?

About 3.7k tokens (SKILL.md is roughly 15k 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 Depot Container Builds?

Skills that share tags, products or a category with Depot Container Builds: Swig CI Repro (swig/swig, 6.3k stars), .NET Crash Dump Collection (dotnet/skills, 5.6k stars), Docker Jfr Benchmark Loop (eclipse-rdf4j/rdf4j, 420 stars) and Minimega (sandia-minimega/minimega, 160 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Depot Container Builds?

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.