Agent skill

Writing Friday Python Agents

by friday-platform in friday-platform/friday-studio

Authoring guide for Python user agents (type:"user") on the Friday platform via the friday-agent-sdk.

Custom licenceAuto-check passedAI & LLM Engineering

Install Writing Friday Python Agents

skills CLI
$ npx skills add friday-platform/friday-studio --skill writing-friday-python-agents -a claude-code

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

GitHub CLI
$ gh skill install friday-platform/friday-studio writing-friday-python-agents --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/friday-platform/friday-studio.git skills-src && mkdir -p .claude/skills && cp -r skills-src/packages/system/skills/writing-friday-python-agents .claude/skills/writing-friday-python-agents && 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
writing-friday-python-agents
GitHub stars
104
Token cost
~3.6k tokens
SKILL.md length
1,222 words
Files
4 (incl. references)
Skills in repo
20
Repo updated
First seen
Licence
Custom licence

At a glance

Authoring guide for Python user agents (type:"user") on the Friday platform via the friday-agent-sdk.

  • Works in 3 steps: The @agent decorator with at least id,… → run() in __main__ — this is the NATS… → Return ok() or err() — never return raw…
  • Tasks that involve Building AI agents
  • SKILL.md covers Every Agent Looks Like This, Capabilities Quick Reference, Structured Input Handling and Result Types, plus 4 more sections
  • Needs GITHUB_TOKEN and API_KEY

What it does

Writing Friday Python Agents is an agent skill from friday-platform/friday-studio. Authoring guide for Python user agents (type:"user") on the Friday platform via the friday-agent-sdk. Covers the @agent decorator, AgentContext capabilities (ctx.llm, ctx.http, ctx.tools, ctx.stream), structured input parsing, result types, and the NATS subprocess execution model. Load when an agent.py exists in scope, when imports from fridayagentsdk are present, when an @agent decorator is being authored or modified, or when upsertagent was just called with type:user. Do NOT load to decide whether to author a…

Its SKILL.md is about 3.6k tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files, including reference files (for example `references/api.md`, `references/constraints.md` and `references/examples.md`).

It sits in AI & LLM Engineering, covering Building AI agents. It works with Python. The repository describes itself as: Agent Harness Platform — shareable workspaces, MCP tools, skills, memory, and cron/webhook automations. Self-hosted and transparent.

When your agent uses it

  • Tasks that involve Building AI agents

Example prompts

  • “/writing-friday-python-agents”

Requirements

  • Python 3
  • A credential in API_KEY
  • A credential in GITHUB_TOKEN

Workflow steps

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

  1. The @agent decorator with at least id, version, description.
  2. run() in __main__ — this is the NATS entry point. Without it, the
  3. Return ok() or err() — never return raw dicts/strings.

What it can do on your machine

Read from SKILL.md and the folder at commit fb3069a. 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 python and yaml).

    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 these keys or tokens, usually read from environment variables:

    • GITHUB_TOKEN
    • API_KEY

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Writing Friday Python Agents loads about 3.6k tokens when it runs, and up to ~12k if it reads all its reference files. Until then it costs about 156 tokens; SKILL.md has 1,222 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~156
When it runs · the whole SKILL.md, loaded when a task matches
~3.6k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~12k

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 1,222 words (~3,644 tokens).

“This skill is vendored from the friday-agent-sdk repo. Edits should land upstream first; scripts/sync-sdk-skill.ts re-vendors for the pinned FRIDAY_AGENT_SDK_VERSION (see tools/friday-launcher/paths.go). -->”

— opening of SKILL.md by friday-platform, Custom licence
name
writing-friday-python-agents
vendored-from
friday-platform/agent-sdk@832d539ded2c87d1a2c4ee91a2cfc8407b68eb74
vendored-path
packages/python/skills/writing-friday-python-agents/
vendored-version
0.1.9

Read the full SKILL.md on GitHub

Files

SKILL.md and 3 other files (references) in packages/system/skills/writing-friday-python-agents of friday-platform/friday-studio.

  • SKILL.md
  • references/api.md
  • references/constraints.md
  • references/examples.md

Open the folder on GitHubat commit fb3069a

Compare with similar skills

Writing Friday Python Agents 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.

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Google Agents CLI Adk Codepifferologo/cloud-agents-cli1291 repos~768Automated safety check: PassApache-2.0
DSPy Language Model ProgrammingOrchestra-Research/AI-Research-SKILLs13k10 repos~3.8kAutomated safety check: PassMIT
E2b Code Interpreteragent-sandbox/agent-sandbox218—~2.3kAutomated safety check: PassApache-2.0

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Works with

Questions about Writing Friday Python Agents

What does Writing Friday Python Agents do?

Authoring guide for Python user agents (type:"user") on the Friday platform via the friday-agent-sdk. Writing Friday Python Agents is an agent skill from friday-platform/friday-studio. Authoring guide for Python user agents (type:"user") on the Friday platform via the friday-agent-sdk.

When should I use Writing Friday Python Agents?

Writing Friday Python Agents fits situations like: tasks that involve Building AI agents.

How do I install Writing Friday Python Agents in Claude Code?

Run `npx skills add friday-platform/friday-studio --skill writing-friday-python-agents -a claude-code`. Or copy the skill folder (packages/system/skills/writing-friday-python-agents in friday-platform/friday-studio) into .claude/skills/writing-friday-python-agents in your project. Claude Code loads it when a task matches its description.

How do I install Writing Friday Python Agents in Codex?

Run `npx skills add friday-platform/friday-studio --skill writing-friday-python-agents -a codex`. Or copy the skill folder (packages/system/skills/writing-friday-python-agents in friday-platform/friday-studio) into .agents/skills/writing-friday-python-agents in your project. Codex loads it when a task matches its description.

Can I use Writing Friday Python Agents 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 friday-platform/friday-studio --skill writing-friday-python-agents -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/writing-friday-python-agents, .gemini/skills/writing-friday-python-agents, .github/skills/writing-friday-python-agents and .opencode/skills/writing-friday-python-agents in your project.

What does Writing Friday Python Agents need to run?

Going by SKILL.md and its folder, Writing Friday Python Agents needs credentials named GITHUB_TOKEN and API_KEY. Our summary lists: Python 3; A credential in API_KEY; A credential in GITHUB_TOKEN.

Does Writing Friday Python Agents 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 Writing Friday Python Agents 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 Writing Friday Python Agents use?

Writing Friday Python Agents 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 Writing Friday Python Agents use?

About 3.6k 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. Its references folder adds about 8.9k tokens, read only when the agent opens those files.

What are the alternatives to Writing Friday Python Agents?

Skills that share tags, products or a category with Writing Friday Python Agents: Azure AI Projects Python SDK (microsoft/skills, 3.1k stars), Senior Prompt Engineer (maslennikov-ig/claude-code-orchestrator-kit, 260 stars), Google Agents CLI Adk Code (pifferologo/cloud-agents-cli, 129 stars) and DSPy Language Model Programming (Orchestra-Research/AI-Research-SKILLs, 13k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Writing Friday Python Agents?

friday-platform (a GitHub organization) maintains it in friday-platform/friday-studio, which has 104 GitHub stars. The repository holds 20 skills in this directory. The repository was last updated on September 5, 2026.

Source: friday-platform/friday-studio on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.