Fix Flakes
kubernetes-sigs/agent-sandbox
Diagnose and fix flaky tests tracked as open kind/flake issues in kubernetes-sigs/agent-sandbox — reproduce the flake, apply a minimal fix, and open a PR linking the issue.
A skill your agent uses when writing, editing, reviewing, or running functional (end-to-end) tests for the Astronomer APC repository.
Install Functional Tests
$ npx skills add astronomer/astronomer --skill functional-tests -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install astronomer/astronomer functional-tests --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/astronomer/astronomer.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/functional-tests .claude/skills/functional-tests && rm -rf skills-srcUse ~/.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/
Install the "functional-tests" agent skill from https://github.com/astronomer/astronomer/tree/master/.agents/skills/functional-tests into .claude/skills/functional-tests/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "functional-tests", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/astronomer/astronomer/tree/master/.agents/skills/functional-testsType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add astronomer/astronomer --skill functional-tests -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install astronomer/astronomer functional-tests --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/astronomer/astronomer.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.agents/skills/functional-tests .agents/skills/functional-tests && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "functional-tests" agent skill from https://github.com/astronomer/astronomer/tree/master/.agents/skills/functional-tests into .agents/skills/functional-tests/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "functional-tests", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add astronomer/astronomer --skill functional-tests -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install astronomer/astronomer functional-tests --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/astronomer/astronomer.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.agents/skills/functional-tests .cursor/skills/functional-tests && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "functional-tests" agent skill from https://github.com/astronomer/astronomer/tree/master/.agents/skills/functional-tests into .cursor/skills/functional-tests/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "functional-tests", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/astronomer/astronomer.git --path .agents/skills/functional-tests--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add astronomer/astronomer --skill functional-tests -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install astronomer/astronomer functional-tests --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/astronomer/astronomer.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.agents/skills/functional-tests .gemini/skills/functional-tests && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "functional-tests" agent skill from https://github.com/astronomer/astronomer/tree/master/.agents/skills/functional-tests into .gemini/skills/functional-tests/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "functional-tests", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install astronomer/astronomer functional-testsInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add astronomer/astronomer --skill functional-tests -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/astronomer/astronomer.git skills-src && mkdir -p .github/skills && cp -r skills-src/.agents/skills/functional-tests .github/skills/functional-tests && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "functional-tests" agent skill from https://github.com/astronomer/astronomer/tree/master/.agents/skills/functional-tests into .github/skills/functional-tests/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "functional-tests", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add astronomer/astronomer --skill functional-tests -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install astronomer/astronomer functional-tests --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/astronomer/astronomer.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.agents/skills/functional-tests .opencode/skills/functional-tests && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "functional-tests" agent skill from https://github.com/astronomer/astronomer/tree/master/.agents/skills/functional-tests into .opencode/skills/functional-tests/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "functional-tests", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
functional-tests- GitHub stars
- 491
- Token cost
- ~2.2k tokens
- SKILL.md length
- 493 words
- Files
- 1
- Skills in repo
- 4
- Repo updated
- First seen
- Licence
- Custom licence
At a glance
A skill your agent uses when writing, editing, reviewing, or running functional (end-to-end) tests for the Astronomer APC repository.
- Works in 4 steps: Always run tests with uv run — never… → Pass --topology to bin/reset-local-dev… → Always use uppercase kubeconfig… → …
- Running functional (end-to-end) tests for the Astronomer APC repository
- SKILL.md covers Overview, Critical Rules, Installation Scenarios and Local Setup Workflow, plus 7 more sections
- Calls make, uv and python
What it does
Functional Tests is an agent skill from astronomer/astronomer. Use when writing, editing, reviewing, or running functional (end-to-end) tests for the Astronomer APC repository. Covers scenario setup, testinfra patterns, kubeconfig helpers, fixture usage, flaky test handling, and test organization across unified/control/data installation scenarios.
Its SKILL.md is about 2.2k 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 Testing & QA, covering Container orchestration and Failing and flaky tests. It works with Kubernetes and pytest. The repository describes itself as: Helm Charts for the Astronomer Platform, Apache Airflow as a Service on Kubernetes.
When your agent uses it
- Running functional (end-to-end) tests for the Astronomer APC repository
- Tasks that involve Container orchestration
- Tasks that involve Failing and flaky tests
Example prompts
- “/functional-tests”
Requirements
- Python 3
Workflow steps
4 steps, taken from the first numbered list in SKILL.md.
- Always run tests with uv run — never python3 -m pytest or python -m pytest
- Pass --topology to bin/reset-local-dev (unified/control/data) before running — pytest itself needs no env var, it infers topology from the…
- Always use uppercase kubeconfig constants from tests.utils.k8s — KUBECONFIG_UNIFIED, KUBECONFIG_CONTROL, KUBECONFIG_DATA (not lowercase…
- Run bin/reset-local-dev before the first test run to set up the cluster
What it can do on your machine
Read from SKILL.md and the folder at commit 6a2b8ec. 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:
makeuvpythonpython3helmkubectl
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md. Its commands use uv, helm and kubectl, 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
Functional Tests loads about 2.2k tokens when it runs. Until then it costs about 76 tokens; SKILL.md has 493 words of instructions outside code blocks.
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 493 words (~2,164 tokens).
“Functional tests run against a live Kubernetes cluster (kind) with the Helm chart installed. Unlike chart tests, they verify real runtime behavior: running processes, user identity, network reachability, and configuration values.”
- name
- functional-tests
Files
Just SKILL.md in .agents/skills/functional-tests of astronomer/astronomer.
Open the folder on GitHubat commit 6a2b8ec
Compare with similar skills
Functional Tests 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Functional Tests this skillastronomer/astronomer | 491 | — | ~2.2k | Automated safety check: Pass | Custom licence | |
| Fix Flakeskubernetes-sigs/agent-sandbox | 4.2k | — | ~1.1k | Automated safety check: Pass | Apache-2.0 | |
| Debug E2E Pipelinekubernetes-sigs/cloud-provider-azure | 294 | — | ~3.4k | Automated safety check: Pass | Apache-2.0 | |
| Measure Scenario TimesCybereason-Public/owLSM | 280 | — | ~676 | Automated safety check: Pass | GPL-2.0 | |
| Unblock Dependabot PRkubernetes-sigs/cloud-provider-azure | 294 | — | ~1.5k | Automated safety check: Pass | Apache-2.0 | |
| Chart Testsastronomer/airflow-chart | 297 | — | ~2.8k | Automated safety check: Pass | Custom licence |
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Debug E2E Pipeline
kubernetes-sigs/cloud-provider-azure
Fetch and analyze Prow e2e pipeline failures for cloud-provider-azure.
Measure Scenario Times
Cybereason-Public/owLSM
Adds temporary pytest-bdd timing hooks and writes debugscenariotimes.txt plus sorted step and scenario files.
- Official
Unblock Dependabot PR
kubernetes-sigs/cloud-provider-azure
Diagnose and unblock failed Dependabot pull requests in cloud-provider-azure by closing Kubernetes minor-version dependency bumps, classifying CI failures, syncing Go modules, retesting quota-flaked…
Chart Tests
astronomer/airflow-chart
A skill your agent uses when writing, editing, reviewing, or running Helm chart tests for the Astronomer airflow-chart repository.
Functional Tests
astronomer/airflow-chart
A skill your agent uses when writing, editing, reviewing, or running functional (end-to-end) tests for the Astronomer airflow-chart repository.
More from astronomer/astronomer
Chart Tests
astronomer/astronomer
A skill your agent uses when writing, editing, reviewing, or running Helm chart tests for the Astronomer APC repository.
Tools
astronomer/astronomer
A skill your agent uses when writing, editing, or reviewing command-line tools and helper scripts in this repo (things in bin/).
Helm Chart
astronomer/astronomer
A skill your agent uses for Helm chart work - creating charts, modifying existing charts, values design, testing.
Related
Works with
Categories
Questions about Functional Tests
What does Functional Tests do?
A skill your agent uses when writing, editing, reviewing, or running functional (end-to-end) tests for the Astronomer APC repository. Functional Tests is an agent skill from astronomer/astronomer. Use when writing, editing, reviewing, or running functional (end-to-end) tests for the Astronomer APC repository.
When should I use Functional Tests?
Functional Tests fits situations like: running functional (end-to-end) tests for the Astronomer APC repository; tasks that involve Container orchestration; tasks that involve Failing and flaky tests.
How do I install Functional Tests in Claude Code?
Run `npx skills add astronomer/astronomer --skill functional-tests -a claude-code`. Or copy the skill folder (.agents/skills/functional-tests in astronomer/astronomer) into .claude/skills/functional-tests in your project. Claude Code loads it when a task matches its description.
How do I install Functional Tests in Codex?
Run `npx skills add astronomer/astronomer --skill functional-tests -a codex`. Or copy the skill folder (.agents/skills/functional-tests in astronomer/astronomer) into .agents/skills/functional-tests in your project. Codex loads it when a task matches its description.
Can I use Functional Tests 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 astronomer/astronomer --skill functional-tests -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/functional-tests, .gemini/skills/functional-tests, .github/skills/functional-tests and .opencode/skills/functional-tests in your project.
What does Functional Tests need to run?
Going by SKILL.md and its folder, Functional Tests needs the command-line tools its instructions call (make, uv, python, python3, helm and kubectl). Our summary lists: Python 3.
Does Functional Tests access the network?
SKILL.md contains no URLs. Its commands use uv, which can reach the network depending on how they are called. This is read from the text; nothing was executed.
Is Functional Tests 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 Functional Tests use?
Functional Tests 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 Functional Tests use?
About 2.2k tokens (SKILL.md is roughly 8.7k 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 Functional Tests?
Skills that share tags, products or a category with Functional Tests: Fix Flakes (kubernetes-sigs/agent-sandbox, 4.2k stars), Debug E2E Pipeline (kubernetes-sigs/cloud-provider-azure, 294 stars), Measure Scenario Times (Cybereason-Public/owLSM, 280 stars) and Unblock Dependabot PR (kubernetes-sigs/cloud-provider-azure, 294 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Functional Tests?
astronomer (a GitHub organization) maintains it in astronomer/astronomer, which has 491 GitHub stars. The repository holds 4 skills in this directory. The repository was last updated on October 8, 2026.
Source: astronomer/astronomer on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.