MCP Server Builder
anthropics/skills
Guides the design and implementation of Model Context Protocol servers in TypeScript or Python, from tool naming and error messages to evaluation.
Systematic exploration of unknown environments before starting work
MITAuto-check passed
Install Environment Discovery
$ npx skills add vstorm-co/pydantic-deepagents --skill environment-discovery -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install vstorm-co/pydantic-deepagents environment-discovery --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/vstorm-co/pydantic-deepagents.git skills-src && mkdir -p .claude/skills && cp -r skills-src/apps/cli/skills/environment-discovery .claude/skills/environment-discovery && 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 "environment-discovery" agent skill from https://github.com/vstorm-co/pydantic-deepagents/tree/main/apps/cli/skills/environment-discovery into .claude/skills/environment-discovery/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "environment-discovery", 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/vstorm-co/pydantic-deepagents/tree/main/apps/cli/skills/environment-discoveryType 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 vstorm-co/pydantic-deepagents --skill environment-discovery -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install vstorm-co/pydantic-deepagents environment-discovery --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/vstorm-co/pydantic-deepagents.git skills-src && mkdir -p .agents/skills && cp -r skills-src/apps/cli/skills/environment-discovery .agents/skills/environment-discovery && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "environment-discovery" agent skill from https://github.com/vstorm-co/pydantic-deepagents/tree/main/apps/cli/skills/environment-discovery into .agents/skills/environment-discovery/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "environment-discovery", 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 vstorm-co/pydantic-deepagents --skill environment-discovery -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install vstorm-co/pydantic-deepagents environment-discovery --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/vstorm-co/pydantic-deepagents.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/apps/cli/skills/environment-discovery .cursor/skills/environment-discovery && 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 "environment-discovery" agent skill from https://github.com/vstorm-co/pydantic-deepagents/tree/main/apps/cli/skills/environment-discovery into .cursor/skills/environment-discovery/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "environment-discovery", 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/vstorm-co/pydantic-deepagents.git --path apps/cli/skills/environment-discovery--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 vstorm-co/pydantic-deepagents --skill environment-discovery -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install vstorm-co/pydantic-deepagents environment-discovery --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/vstorm-co/pydantic-deepagents.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/apps/cli/skills/environment-discovery .gemini/skills/environment-discovery && 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 "environment-discovery" agent skill from https://github.com/vstorm-co/pydantic-deepagents/tree/main/apps/cli/skills/environment-discovery into .gemini/skills/environment-discovery/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "environment-discovery", 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 vstorm-co/pydantic-deepagents environment-discoveryInstalls 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 vstorm-co/pydantic-deepagents --skill environment-discovery -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/vstorm-co/pydantic-deepagents.git skills-src && mkdir -p .github/skills && cp -r skills-src/apps/cli/skills/environment-discovery .github/skills/environment-discovery && 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 "environment-discovery" agent skill from https://github.com/vstorm-co/pydantic-deepagents/tree/main/apps/cli/skills/environment-discovery into .github/skills/environment-discovery/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "environment-discovery", 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 vstorm-co/pydantic-deepagents --skill environment-discovery -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install vstorm-co/pydantic-deepagents environment-discovery --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/vstorm-co/pydantic-deepagents.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/apps/cli/skills/environment-discovery .opencode/skills/environment-discovery && 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 "environment-discovery" agent skill from https://github.com/vstorm-co/pydantic-deepagents/tree/main/apps/cli/skills/environment-discovery into .opencode/skills/environment-discovery/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "environment-discovery", 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
environment-discovery- GitHub stars
- 1.1k
- Token cost
- ~419 tokens
- SKILL.md length
- 185 words
- Files
- 1
- Skills in repo
- 14
- Repo updated
- First seen
- Licence
- MIT
At a glance
Systematic exploration of unknown environments before starting work
- Works in 4 steps: Understand the workspace → Inspect data files → Check available tools → …
- SKILL.md covers Step 1: Understand the workspace, Step 2: Inspect data files, Step 3: Check available tools and Step 4: Read existing code, plus 1 more section
- Calls pip and python3
What it does
Environment Discovery is an agent skill from vstorm-co/pydantic-deepagents. Systematic exploration of unknown environments before starting work
Its SKILL.md is about 420 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 Python. The repository describes itself as: Open-source, self-hosted Claude Code - a terminal AI assistant and the Python framework behind it. Tool-calling, sandboxed execution, multi-agent teams, skills, checkpoints… The licence is MIT.
Example prompts
- “/environment-discovery”
Requirements
- Python 3
Workflow steps
4 steps, taken from the step headings in SKILL.md.
What it can do on your machine
Read from SKILL.md and the folder at commit 650b592. 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:
pippython3
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md. Its commands use pip, 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
Environment Discovery loads about 419 tokens when it runs. Until then it costs about 22 tokens; SKILL.md has 185 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
The full file from vstorm-co/pydantic-deepagents at commit 650b592, republished under its MIT licence (© vstorm-co). 185 words, ~419 tokens.
Download SKILL.mdSave it as
.claude/skills/environment-discovery/SKILL.md (or your agent's skills folder).- name
- environment-discovery
- description
- Systematic exploration of unknown environments before starting work
- tags
- exploration, setup, benchmark
- version
- 1.0.0
Environment Discovery
When dropped into an unfamiliar environment, ALWAYS explore before acting.
Step 1: Understand the workspace
ls -la /app/ # or the working directory
find . -type f | head -50- What files exist? What are their sizes?
- Are there READMEs, Makefiles, config files?
- What languages/frameworks are involved?
Step 2: Inspect data files
Before writing any code that reads data, understand the format:
file <filename>— detect file type (binary, text, encoding)head -20 <file>— first lines of text filesxxd <file> | head -20— hex dump for binary fileswc -l <file>— line count for text filesstat <file>— exact file size in bytespython3 -c "import struct; ..."— parse binary headers
Step 3: Check available tools
which python3 gcc g++ make cmake node npm cargo rustc java go
pip list 2>/dev/null | head -20- What compilers/interpreters are installed?
- What libraries are available?
- What package managers can you use?
Step 4: Read existing code
If there are existing source files:
- Read them FULLY before modifying
- Understand the build system (Makefile, CMakeLists.txt, pyproject.toml)
- Check for existing tests
Key Principles
- NEVER assume file formats — always inspect first
- NEVER assume tools are installed — always check
- A 500MB file is NOT a "small file" — plan for it
- Binary files need byte-level inspection, not
cat - Spend 30 seconds exploring to save 5 minutes debugging
© vstorm-co, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in apps/cli/skills/environment-discovery of vstorm-co/pydantic-deepagents.
Open the folder on GitHubat commit 650b592
Compare with similar skills
Environment Discovery 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 |
|---|---|---|---|---|---|---|
| Environment Discovery this skillvstorm-co/pydantic-deepagents | 1.1k | — | ~419 | Automated safety check: Pass | MIT | |
| MCP Server Builderanthropics/skills | 180k | 63 repos | ~2.3k | Automated safety check: Pass | Apache-2.0 | |
| PDF Processinganthropics/skills | 180k | 48 repos | ~2k | Automated safety check: Pass | Proprietary | |
| NotebookLM Research AssistantPleasePrompto/notebooklm-skill | 7.8k | 14 repos | ~2.4k | Automated safety check: Notes | MIT | |
| Manim Video Productionbrowser-use/video-use | 28k | 6 repos | ~3k | Automated safety check: Pass | MIT | |
| Code Review ChecklistshareAI-lab/learn-claude-code | 78k | 5 repos | ~1.1k | Automated safety check: Pass | MIT |
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Manim Video Production
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Questions about Environment Discovery
What does Environment Discovery do?
Systematic exploration of unknown environments before starting work. Environment Discovery is an agent skill from vstorm-co/pydantic-deepagents.
How do I install Environment Discovery in Claude Code?
Run `npx skills add vstorm-co/pydantic-deepagents --skill environment-discovery -a claude-code`. Or copy the skill folder (apps/cli/skills/environment-discovery in vstorm-co/pydantic-deepagents) into .claude/skills/environment-discovery in your project. Claude Code loads it when a task matches its description.
How do I install Environment Discovery in Codex?
Run `npx skills add vstorm-co/pydantic-deepagents --skill environment-discovery -a codex`. Or copy the skill folder (apps/cli/skills/environment-discovery in vstorm-co/pydantic-deepagents) into .agents/skills/environment-discovery in your project. Codex loads it when a task matches its description.
Can I use Environment Discovery 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 vstorm-co/pydantic-deepagents --skill environment-discovery -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/environment-discovery, .gemini/skills/environment-discovery, .github/skills/environment-discovery and .opencode/skills/environment-discovery in your project.
What does Environment Discovery need to run?
Going by SKILL.md and its folder, Environment Discovery needs the command-line tools its instructions call (pip and python3). Our summary lists: Python 3.
Does Environment Discovery access the network?
SKILL.md contains no URLs. Its commands use pip, which can reach the network depending on how they are called. This is read from the text; nothing was executed.
Is Environment Discovery 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 Environment Discovery use?
Environment Discovery is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Environment Discovery use?
About 419 tokens (SKILL.md is roughly 1.7k 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 Environment Discovery?
Skills that share tags, products or a category with Environment Discovery: MCP Server Builder (anthropics/skills, 180k stars), PDF Processing (anthropics/skills, 180k stars), NotebookLM Research Assistant (PleasePrompto/notebooklm-skill, 7.8k stars) and Manim Video Production (browser-use/video-use, 28k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Environment Discovery?
vstorm-co (a GitHub organization) maintains it in vstorm-co/pydantic-deepagents, which has 1,077 GitHub stars. The repository holds 14 skills in this directory. The repository was last updated on October 6, 2026.
Source: vstorm-co/pydantic-deepagents on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.