What is agent-skills CLAUDE.md?

Repository instructions for an AI agent skill that connects Typefully with social networks. Typefully is a service for drafting, scheduling, and managing posts on platforms such as X, LinkedIn, Threads, Bluesky, Mastodon, and Substack Notes.

They help maintain the Typefully skill, run its JavaScript CLI, update platform guidance, and test changes to social-post workflows.

They give the agent a clear map of the skill files, command-line script, API reference, and testing process. This avoids searching through the repository or guessing how platform-specific details are organized.

How typefully/agent-skills configures Claude Code

Reuse

Borrowing it

Nothing to install: this file belongs to typefully/agent-skills. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file

curl -O https://raw.githubusercontent.com/typefully/agent-skills/main/CLAUDE.md

Clone the repo

git clone --depth 1 https://github.com/typefully/agent-skills

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/instructions/typefully/agent-skills/claude-md/github.svg)](https://agentmods.dev/instructions/typefully/agent-skills/claude-md)

Your own site

<a href="https://agentmods.dev/instructions/typefully/agent-skills/claude-md"><img src="https://agentmods.dev/badge/instructions/typefully/agent-skills/claude-md/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/instructions/typefully/agent-skills/claude-md"><img src="https://agentmods.dev/badge/instructions/typefully/agent-skills/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 1,036 This file is loaded in full into every session.

When invoked 1,036 The same file — it is already loaded in full.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin original No closer match found in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5.1	$0.01036	$0.01036
Opus 5.5	$0.00414	$0.00414
Sonnet 5.5	$0.00207	$0.00207
Haiku 4.5	$0.00104	$0.00104

Measured 1mo ago against content hash b5b4364df439, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

agent-skills CLAUDE.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

CLAUDE.md · 90 lines

How it starts

The opening of the file, as written. The whole thing — 90 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md

This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.

Overview

This repository contains AI agent skills for Typefully - markdown files that give AI agents specialized workflows for drafting, scheduling, and managing social media posts across X, LinkedIn, Threads, Bluesky, Mastodon, and Substack Notes.

Repository Structure

skills/typefully/SKILL.md - The main skill definition file with frontmatter metadata, the every-session workflow, and the full command reference. Keep it focused; move occasional or platform-specific detail into references/.
skills/typefully/references/ - On-demand reference guides linked from SKILL.md: setup.md, comments.md, local-development.md, quotes.md, and platforms/ (x.md, linkedin.md, x-articles.md). Put setup, comment-workflow, local-dev, and platform-specific instructions here so they load only when needed.
skills/typefully/CHANGELOG.md - User-facing changelog for the Typefully skill/CLI
skills/typefully/scripts/typefully.js - JavaScript CLI for the Typefully API v2 (zero dependencies, Node.js 18+)
.claude-plugin/marketplace.json - Claude Code plugin marketplace configuration

The Skill System

Skills are markdown files with YAML frontmatter that define:

name - Skill identifier
description - What the skill does
allowed-tools - Tools the skill can use (e.g., Bash(./scripts/typefully.js:*))

The SKILL.md file documents the workflow and commands that AI agents should follow when using the skill.

CLI Script

The typefully.js script is a self-contained JavaScript CLI that wraps the Typefully API:

Requirements: Node.js 18+ (for built-in fetch API)
Dependencies: None (uses only Node.js built-in modules)
Authentication: Priority order:
1. TYPEFULLY_API_KEY environment variable
2. ./.typefully/config.json (project-local)
3. ~/.config/typefully/config.json (user-global)
API Base: https://api.typefully.com/v2

Read the full file on GitHub · 90 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

1mo ago Changed · +4 tokens per session b5b4364df439
2mo ago First seen · 90 lines · 1,032 tokens per session scan A 7589a88f1928

Subscribe to this mod's changes

agent-skills CLAUDE.md is an instructions file published in the GitHub repository typefully/agent-skills (63 stars, last pushed 10d ago), licensed MIT. It adds 1,036 tokens to every session, about $0.0041 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

agent-skills CLAUDE.md next to 6 instructions from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
agent-skills CLAUDE.mdtypefully/agent-skills	Instructions file	63	10d ago	MIT	A	1,036	Claude Code
vscode buildNext.instructions.mdmicrosoft/vscode	Instructions file	195k	yesterday	MIT	A	9,719	GitHub Copilot
next.js AGENTS.mdvercel/next.js	Instructions file	143k	yesterday	MIT	A	7,461	Codex, OpenCode
langchain AGENTS.mdlangchain-ai/langchain	Instructions file	149k	yesterday	MIT	A	4,680	Codex, OpenCode
vscode oss-third-party-notices.instructions.mdmicrosoft/vscode	Instructions file	195k	yesterday	MIT	A	5,516	GitHub Copilot
vscode copilot-instructions.mdmicrosoft/vscode	Instructions file	195k	yesterday	MIT	A	3,093	GitHub Copilot
deepseek-harness AGENTS.mddeepseek-ai/deepseek-harness	Instructions file	274k	2d ago	MIT	A	4,313	Codex, OpenCode

agent-skills: Instructions file for Claude Code