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Evan Hu 206169c1d7 docs: add README for every content directory

Each directory (agents, hands, integrations, plugins, providers,
scripts, skills) now has a README documenting its TOML format,
current contents, and contribution steps.

2026-03-21 02:24:22 +09:00

echo-memory

feat: add dir

2026-03-21 01:57:04 +09:00

README.md

docs: add README for every content directory

2026-03-21 02:24:22 +09:00

README.md

Plugins

Plugin packages for LibreFang. Plugins extend agent behavior through lifecycle hooks -- they can inject memories, modify context, or perform side effects during conversations.

Structure

plugins/
└── echo-memory/
    ├── plugin.toml          # Plugin manifest
    ├── hooks/
    │   ├── ingest.py        # Called on user message
    │   └── after_turn.py    # Called after each turn
    └── requirements.txt     # Python dependencies

plugin.toml Format

name = "plugin-name"             # Must match directory name
version = "0.1.0"
description = "What this plugin does"
author = "author-name"

[hooks]
ingest = "hooks/ingest.py"       # Receives user message, can return memories
after_turn = "hooks/after_turn.py" # Post-turn processing

Hook Protocol

Hooks communicate via stdin/stdout JSON:

ingest hook

stdin:  {"type": "ingest", "agent_id": "...", "message": "user message"}
stdout: {"type": "ingest_result", "memories": [{"content": "..."}]}

after_turn hook

stdin:  {"type": "after_turn", "agent_id": "...", "messages": [...]}
stdout: {"type": "ok"}

Current Plugins (1)

Plugin	Description
echo-memory	Demo plugin that echoes user messages as recalled memories

Adding a New Plugin

Create plugins/<name>/plugin.toml
Add hook scripts in hooks/
List dependencies in requirements.txt (prefer stdlib-only)
Run python scripts/validate.py
Submit a PR

See CONTRIBUTING.md for the full guide.