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Plugin CLI Reference reference
Complete reference for all babysitter plugin: commands. Every command supports the --json flag for machine-readable output and --verbose for additional diagnostic information.
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Plugin CLI Reference
Complete reference for all babysitter plugin:* commands. Every command supports the --json flag for machine-readable output and --verbose for additional diagnostic information.
Global Flags
| Flag | Description |
|---|---|
--json | Output structured JSON instead of human-readable text |
--verbose | Enable verbose diagnostic output |
--runs-dir <path> | Override the default runs directory |
Scope
Most plugin commands require a scope flag indicating where configuration is stored:
--global— User-wide configuration stored in~/.a5c/--project— Project-specific configuration stored in<projectDir>/.a5c/
When --project is used, the current working directory is treated as the project root.
---
plugin:add-marketplace
Clones a marketplace repository into the local marketplaces directory.
Usage
babysitter plugin:add-marketplace --marketplace-url <url> --global|--project [--json] [--verbose]Required Flags
| Flag | Description |
|---|---|
--marketplace-url <url> | Git remote URL of the marketplace repository to clone |
--global or --project | Scope for the marketplace clone |
Example
babysitter plugin:add-marketplace --marketplace-url https://github.com/a5c-ai/babysitter-marketplace.git --global --jsonJSON Output
{
"success": true,
"url": "https://github.com/a5c-ai/babysitter-marketplace.git",
"scope": "global",
"directory": "/home/user/.a5c/marketplaces/babysitter-marketplace"
}Error Cases
| Error | Cause |
|---|---|
missing_argument | --marketplace-url or --scope not provided |
clone_failed | Git clone failed (bad URL, network error, directory already exists) |
---
plugin:update-marketplace
Pulls the latest changes for a previously cloned marketplace.
Usage
babysitter plugin:update-marketplace --marketplace-name <name> --global|--project [--json] [--verbose]Required Flags
| Flag | Description |
|---|---|
--marketplace-name <name> | Name of the previously cloned marketplace (directory name) |
--global or --project | Scope where the marketplace was cloned |
Example
babysitter plugin:update-marketplace --marketplace-name babysitter-marketplace --global --jsonJSON Output
{
"success": true,
"marketplace": "babysitter-marketplace",
"scope": "global"
}Error Cases
| Error | Cause |
|---|---|
missing_argument | --marketplace-name or --scope not provided |
update_failed | Marketplace directory not found, or git pull failed |
---
plugin:list-plugins
Lists all plugins available in a marketplace manifest.
Usage
babysitter plugin:list-plugins --marketplace-name <name> --global|--project [--json] [--verbose]Required Flags
| Flag | Description |
|---|---|
--marketplace-name <name> | Name of the marketplace to list plugins from |
--global or --project | Scope where the marketplace is cloned |
Example
babysitter plugin:list-plugins --marketplace-name babysitter-marketplace --global --jsonJSON Output
{
"marketplace": "babysitter-marketplace",
"scope": "global",
"count": 2,
"plugins": [
{
"name": "babysitter@a5c.ai",
"description": "Core babysitter plugin for AI-assisted development",
"latestVersion": "0.0.176",
"versions": ["0.0.176", "0.0.175", "0.0.174"],
"packagePath": "plugins/babysitter-unified",
"tags": ["core", "development"],
"author": "a5c-ai"
}
]
}Human-Readable Output
Plugins in marketplace "babysitter-marketplace" (scope: global):
NAME VERSION DESCRIPTION
──── ─────── ────────────────────────────────────────
babysitter@a5c.ai 0.0.176 Core babysitter plugin for AI-assisted development
1 plugin(s) available.Error Cases
| Error | Cause |
|---|---|
missing_argument | --marketplace-name or --scope not provided |
list_failed | Marketplace directory not found, or manifest unreadable |
---
plugin:install
Installs a plugin from a marketplace. Updates the marketplace first, resolves the plugin version, reads install instructions from the plugin package, and returns them for the agent to execute.
Usage
babysitter plugin:install <plugin-name> [--marketplace-name <name>] --global|--project [--plugin-version <ver>] [--json] [--verbose]The plugin name can be provided as a positional argument or via --plugin-name.
Required Flags
| Flag | Description |
|---|---|
<plugin-name> or --plugin-name <name> | Name of the plugin to install |
--global or --project | Scope for the installation |
Optional Flags
| Flag | Description |
|---|---|
--plugin-version <ver> | Specific version to install. If omitted, the latest version from the marketplace manifest is used. |
--marketplace-name <name> | Marketplace containing the plugin. If omitted, the CLI tries to auto-resolve a single configured marketplace for the selected scope. |
Example
babysitter plugin:install babysitter@a5c.ai --marketplace-name babysitter-marketplace --global --jsonJSON Output
{
"plugin": "babysitter@a5c.ai",
"version": "0.0.176",
"marketplace": "babysitter-marketplace",
"scope": "global",
"instructions": "# Install babysitter@a5c.ai\n\n1. Copy the plugin configuration...\n",
"processFile": "/home/user/.a5c/marketplaces/babysitter-marketplace/plugins/babysitter-unified/install-process.js"
}The instructions field contains the markdown content from install.md in the plugin package. The processFile field is non-null when an install-process.js babysitter process file exists in the plugin package directory.
Error Cases
| Error | Cause |
|---|---|
missing_argument | Required flag not provided |
install_failed | Plugin not found in marketplace, marketplace update failed, or package directory not found |
---
plugin:uninstall
Reads uninstall instructions for a previously installed plugin. Looks up the plugin in the registry to find its marketplace and version, then reads the uninstall instructions from the plugin package.
Usage
babysitter plugin:uninstall <plugin-name> --global|--project [--json] [--verbose]Required Flags
| Flag | Description |
|---|---|
<plugin-name> or --plugin-name <name> | Name of the plugin to uninstall |
--global or --project | Scope where the plugin is installed |
Example
babysitter plugin:uninstall babysitter@a5c.ai --global --jsonJSON Output
{
"plugin": "babysitter@a5c.ai",
"version": "0.0.176",
"marketplace": "babysitter-marketplace",
"scope": "global",
"instructions": "# Uninstall babysitter@a5c.ai\n\n1. Remove the plugin configuration...\n",
"processFile": null
}Error Cases
| Error | Cause |
|---|---|
missing_argument | Required flag not provided |
uninstall_failed | Plugin not found in registry, or plugin package directory not found |
---
plugin:update
Updates an installed plugin to a newer version. Resolves the migration chain from the currently installed version to the target version using BFS shortest-path on available migration files, and returns all migration instructions in order.
Usage
babysitter plugin:update <plugin-name> [--marketplace-name <name>] --global|--project [--plugin-version <ver>] [--json] [--verbose]Required Flags
| Flag | Description |
|---|---|
<plugin-name> or --plugin-name <name> | Name of the plugin to update |
--global or --project | Scope where the plugin is installed |
Optional Flags
| Flag | Description |
|---|---|
--plugin-version <ver> | Specific target version. If omitted, the latest version from the marketplace manifest is used. |
--marketplace-name <name> | Marketplace containing the plugin. If omitted, the CLI tries to auto-resolve a single configured marketplace for the selected scope. |
Example
babysitter plugin:update babysitter@a5c.ai --marketplace-name babysitter-marketplace --global --jsonJSON Output
{
"plugin": "babysitter@a5c.ai",
"fromVersion": "0.0.174",
"toVersion": "0.0.176",
"marketplace": "babysitter-marketplace",
"scope": "global",
"migrations": [
{
"from": "0.0.174",
"to": "0.0.175",
"file": "0.0.174_to_0.0.175.md",
"type": "md",
"instructions": "# Migration 0.0.174 to 0.0.175\n\n1. Update configuration...\n",
"processFile": null
},
{
"from": "0.0.175",
"to": "0.0.176",
"file": "0.0.175_to_0.0.176.js",
"type": "js",
"instructions": "// Migration process code...",
"processFile": "/path/to/migrations/0.0.175_to_0.0.176.js"
}
]
}When the installed version already matches the target version, migrations is an empty array with a message field:
{
"plugin": "babysitter@a5c.ai",
"fromVersion": "0.0.176",
"toVersion": "0.0.176",
"migrations": [],
"message": "Already at target version"
}Error Cases
| Error | Cause |
|---|---|
missing_argument | Required flag not provided |
update_failed | Plugin not installed, not found in marketplace, no migration path exists, or marketplace update failed |
---
plugin:configure
Reads configuration instructions for an installed plugin from its plugin package.
Usage
babysitter plugin:configure <plugin-name> [--marketplace-name <name>] --global|--project [--json] [--verbose]Required Flags
| Flag | Description |
|---|---|
<plugin-name> or --plugin-name <name> | Name of the plugin to configure |
--global or --project | Scope for the configuration |
Example
babysitter plugin:configure babysitter@a5c.ai --project --jsonJSON Output
{
"plugin": "babysitter@a5c.ai",
"marketplace": "babysitter-marketplace",
"scope": "project",
"instructions": "# Configure babysitter@a5c.ai\n\n1. Set the API key...\n",
"processFile": "/path/to/configure-process.js"
}Error Cases
| Error | Cause |
|---|---|
missing_argument | Required flag not provided |
configure_failed | Plugin package directory not found |
---
plugin:list-installed
Lists all plugins recorded in the plugin registry for the given scope.
Usage
babysitter plugin:list-installed --global|--project [--json] [--verbose]Required Flags
| Flag | Description |
|---|---|
--global or --project | Scope to list installed plugins for |
Example
babysitter plugin:list-installed --global --jsonJSON Output
[
{
"name": "babysitter@a5c.ai",
"version": "0.0.176",
"marketplace": "babysitter-marketplace",
"installedAt": "2026-03-01T10:30:00.000Z",
"updatedAt": "2026-03-05T14:20:00.000Z"
}
]Human-Readable Output
Installed plugins (scope: global):
NAME VERSION MARKETPLACE INSTALLED
──── ─────── ─────────── ────────────────────
babysitter@a5c.ai 0.0.176 babysitter-marketplace 2026-03-01T10:30:00.000Z
1 plugin(s) installed.Error Cases
| Error | Cause |
|---|---|
missing_argument | --scope not provided |
list_failed | Registry file unreadable |
---
plugin:update-registry
Creates or updates a plugin entry in the registry. Used after the agent has completed the install or update steps to record the installed version.
Usage
babysitter plugin:update-registry <plugin-name> --plugin-version <ver> --marketplace-name <name> --global|--project [--json] [--verbose]Required Flags
| Flag | Description |
|---|---|
<plugin-name> or --plugin-name <name> | Name of the plugin |
--plugin-version <ver> | Version to record |
--marketplace-name <name> | Marketplace the plugin was sourced from |
--global or --project | Scope for the registry entry |
Example
babysitter plugin:update-registry babysitter@a5c.ai --plugin-version 0.0.176 --marketplace-name babysitter-marketplace --global --jsonJSON Output
{
"name": "babysitter@a5c.ai",
"version": "0.0.176",
"marketplace": "babysitter-marketplace",
"scope": "global",
"installedAt": "2026-03-01T10:30:00.000Z",
"updatedAt": "2026-03-06T09:00:00.000Z",
"packagePath": "/home/user/.a5c/marketplaces/babysitter-marketplace/plugins/babysitter-unified",
"metadata": {}
}Error Cases
| Error | Cause |
|---|---|
missing_argument | Any required flag not provided |
update_registry_failed | Plugin package path resolution failed, or registry write failed |
---
plugin:remove-from-registry
Removes a plugin entry from the registry. Used after the agent has completed the uninstall steps.
Usage
babysitter plugin:remove-from-registry <plugin-name> --global|--project [--json] [--verbose]Required Flags
| Flag | Description |
|---|---|
<plugin-name> or --plugin-name <name> | Name of the plugin to remove |
--global or --project | Scope for the registry |
Example
babysitter plugin:remove-from-registry babysitter@a5c.ai --global --jsonJSON Output
{
"removed": true,
"plugin": "babysitter@a5c.ai"
}Error Cases
| Error | Cause |
|---|---|
missing_argument | Required flag not provided |
remove_failed | Registry read/write failed |