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Official agent skill

Managing Streamlit Apps

by PostHog in PostHog/posthog

Create, deploy, and operate Streamlit apps in PostHog via the streamlit-apps MCP tools — create an app, set its source, read and patch its code, start and stop its sandbox, poll status, list…

OfficialCustom licenceAuto-check passed

Install Managing Streamlit Apps

skills CLI
$ npx skills add PostHog/posthog --skill managing-streamlit-apps -a claude-code

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

GitHub CLI
$ gh skill install PostHog/posthog managing-streamlit-apps --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/streamlit_apps/skills/managing-streamlit-apps .claude/skills/managing-streamlit-apps && 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
managing-streamlit-apps
GitHub stars
40k
Token cost
~1.5k tokens
SKILL.md length
835 words
Files
1
Skills in repo
252
Repo updated
First seen
Licence
Custom licence

At a glance

Create, deploy, and operate Streamlit apps in PostHog via the streamlit-apps MCP tools — create an app, set its source, read and patch its code, start and stop its sandbox, poll status, list…

  • Works in 5 steps: streamlit-apps-create with a name… → streamlit-apps-set-source with the… → streamlit-apps-start. → …
  • Asked to create a streamlit app
  • SKILL.md covers The happy path: create → set…, Whose data the app reads, Updating code and Stopping, idling, and deleting, plus 2 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Managing Streamlit Apps is an agent skill from PostHog/posthog, published by the product's own GitHub organization. Create, deploy, and operate Streamlit apps in PostHog via the streamlit-apps MCP tools — create an app, set its source, read and patch its code, start and stop its sandbox, poll status, list versions, delete, and share the app with humans via its PostHog URL. Use when asked to "create a streamlit app", "deploy a data app", "ship a dashboard app", "restart/stop my app", "why is my app not running", or "give me a link to the app".

Its SKILL.md is about 1.5k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It works with Streamlit and PostHog. 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

  • Asked to create a streamlit app
  • Deploy a data app
  • Ship a dashboard app
  • Restart/stop my app

Example prompts

  • “create a streamlit app”
  • “deploy a data app”
  • “ship a dashboard app”
  • “/managing-streamlit-apps”

Requirements

  • Python 3

Workflow steps

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

  1. streamlit-apps-create with a name (optionally description, cpu_cores 0.25–8, memory_gb 0.5–16, defaults 0.5 / 1).
  2. streamlit-apps-set-source with the complete app.py source as one string.
  3. streamlit-apps-start.
  4. Poll streamlit-apps-status until status is running (typically well under a minute).
  5. Share the app: the _posthogUrl returned by create/get/start (/streamlit-apps/{short_id}) is the app's page in PostHog.

What it can do on your machine

Read from SKILL.md and the folder at commit 10f9ad7. 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.

    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

Managing Streamlit Apps loads about 1.5k tokens when it runs. Until then it costs about 114 tokens; SKILL.md has 835 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~114
When it runs · the whole SKILL.md, loaded when a task matches
~1.5k

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 835 words (~1,506 tokens).

“A Streamlit app is a Python data app running in an isolated sandbox inside PostHog. Each app has immutable versions of its code; one version is active; a sandbox process serves the active version. The full lifecycle is driven with…”

— opening of SKILL.md by PostHog, Custom licence
name
managing-streamlit-apps

Read the full SKILL.md on GitHub

Files

Just SKILL.md in products/streamlit_apps/skills/managing-streamlit-apps of PostHog/posthog.

Open the folder on GitHubat commit 10f9ad7

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

Managing Streamlit Apps 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.

Managing Streamlit Apps compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Managing Streamlit Apps this skillPostHog/posthog40k—~1.5kAutomated safety check: PassCustom licence
Cookbook Aimldatabricks-solutions/databricks-apps-cookbook183—~1.7kAutomated safety check: PassCustom licence
Prod TelemetryUsefulSoftwareCo/executor4.1k—~1.9kAutomated safety check: PassMIT
Exploring The WizardPostHog/wizard197—~2.2kAutomated safety check: PassMIT
MCP Server Builderanthropics/skills180k64 repos~2.3kAutomated safety check: PassApache-2.0
MCP Server BuildershareAI-lab/learn-claude-code78k5 repos~1.2kAutomated safety check: PassMIT

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Works with

Questions about Managing Streamlit Apps

What does Managing Streamlit Apps do?

Create, deploy, and operate Streamlit apps in PostHog via the streamlit-apps MCP tools — create an app, set its source, read and patch its code, start and stop its sandbox, poll status, list…. Managing Streamlit Apps is an agent skill from PostHog/posthog, published by the product's own GitHub organization. Create, deploy, and operate Streamlit apps in PostHog via the streamlit-apps MCP tools — create an app, set its source, read and patch its code, start and stop its sandbox, poll status, list versions, delete, and share the app with humans via its PostHog URL.

When should I use Managing Streamlit Apps?

Managing Streamlit Apps fits situations like: asked to create a streamlit app; deploy a data app; ship a dashboard app; restart/stop my app.

How do I install Managing Streamlit Apps in Claude Code?

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

How do I install Managing Streamlit Apps in Codex?

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

Can I use Managing Streamlit Apps 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 managing-streamlit-apps -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/managing-streamlit-apps, .gemini/skills/managing-streamlit-apps, .github/skills/managing-streamlit-apps and .opencode/skills/managing-streamlit-apps in your project.

What does Managing Streamlit Apps need to run?

SKILL.md names no scripts, command-line tools or credentials: Managing Streamlit Apps is instructions for the agent only. Our summary lists: Python 3.

Does Managing Streamlit Apps 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 Managing Streamlit Apps 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 Managing Streamlit Apps use?

Managing Streamlit Apps 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 Managing Streamlit Apps use?

About 1.5k tokens (SKILL.md is roughly 6k 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 Managing Streamlit Apps?

Skills that share tags, products or a category with Managing Streamlit Apps: Cookbook Aiml (databricks-solutions/databricks-apps-cookbook, 183 stars), Prod Telemetry (UsefulSoftwareCo/executor, 4.1k stars), Exploring The Wizard (PostHog/wizard, 197 stars) and MCP Server Builder (anthropics/skills, 180k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Managing Streamlit Apps?

PostHog (a GitHub organization, an official publisher) maintains it in PostHog/posthog, which has 40,182 GitHub stars. The repository holds 252 skills in this directory. The repository was last updated on October 8, 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.