I published crier to PyPI. It’s a command-line tool for cross-posting content to multiple platforms at once.

The problem is simple: I write blog posts in Markdown with YAML front matter. I want them on dev.to, Hashnode, Bluesky, Mastodon, and wherever else, without manually copy-pasting into a dozen different editors. Crier handles this from the terminal.

Quick Start

pip install crier
cd your-blog
crier init

The init command walks you through setup: detecting content directories, configuring platforms with API keys.

The Workflow

1. Your markdown posts with YAML front matter are the source of truth
2. .crier/registry.yaml tracks what’s published where
3. crier audit shows what’s missing or changed
4. crier publish pushes content out

# See what needs publishing
crier audit

# Publish to multiple platforms
crier publish post.md --to devto --to bluesky --to mastodon

# Bulk publish everything missing
crier audit --publish --yes

LLM-Powered Auto-Rewrite

This is the feature I’m most pleased with. Short-form platforms like Bluesky (300 chars) and Mastodon (500 chars) need summaries, not full articles. Crier generates these automatically using any OpenAI-compatible LLM:

# Auto-generate short-form content
crier publish post.md --to bluesky --to mastodon --auto-rewrite

# Bulk publish with auto-rewrite
crier audit --publish --auto-rewrite --yes

Simplest setup: If you have OPENAI_API_KEY set, it just works (defaults to gpt-4o-mini).

Or use local models:

# ~/.config/crier/config.yaml
llm:
  base_url: http://localhost:11434/v1  # Ollama
  model: llama3

The LLM generates platform-appropriate summaries that fit within character limits, with automatic retry if the output is too long.

Supported Platforms

Bulk Operations with Filters

The audit command supports filtering for targeted bulk operations:

# API platforms only (skip manual/import)
crier audit --publish --yes --only-api

# Long-form only (skip short-form social)
crier audit --publish --yes --long-form

# Random sample of 5 articles
crier audit --publish --yes --sample 5

# Filter by path and date
crier audit content/post --since 1m --only-api --publish --yes

# Combine filters
crier audit content/post --since 1w --only-api --long-form --sample 10 --publish --yes

Profiles

Group platforms into reusable profiles: