7.1 KiB
Skill CLI Reference
The agents skill command group manages skills — reusable, composable collections of tools that can be registered, inspected, and attached to actors.
Commands
| Command | Description |
|---|---|
agents skill add |
Register a skill from a YAML config file |
agents skill remove |
Remove a registered skill |
agents skill list |
List registered skills with optional filters |
agents skill show |
Show full details for a registered skill |
agents skill tools |
List all tools provided by a skill (flattened) |
agents skill add
Register a new skill from a YAML configuration file.
agents skill add --config <FILE> [--update] [--format <FORMAT>]
Options
| Flag | Short | Description |
|---|---|---|
--config |
-c |
Path to the skill YAML configuration file (required) |
--update |
Allow overwriting an existing skill registration | |
--format |
-f |
Output format: rich, json, yaml, plain, table (default: rich) |
Examples
# Register a new skill
agents skill add --config examples/skills/single-tool.yaml
# Update an existing skill
agents skill add --config examples/skills/single-tool.yaml --update
# Register and output as JSON
agents skill add --config my-skill.yaml --format json
Rich Output
On success, the command prints a Skill Registered panel showing:
- Name, Description, Config path
- Includes list (if any)
- Direct tools with source, writes, and checkpoint columns
- MCP servers (if any)
- Capability summary (total tools, read-only, writes, checkpointable, side effects)
- Success message with tool count
Error Handling
- File not found: Prints config file path and aborts.
- Schema validation error: Prints Pydantic validation details and aborts.
- Duplicate skill: Prints the existing name and suggests
--update.
agents skill remove
Remove a registered skill by its namespaced name.
agents skill remove <NAME> [--yes] [--format <FORMAT>]
Arguments
| Argument | Description |
|---|---|
NAME |
Namespaced name of the skill to remove (e.g. local/file-reader) |
Options
| Flag | Short | Description |
|---|---|---|
--yes |
-y |
Skip confirmation prompt |
--format |
-f |
Output format (default: rich) |
Examples
# Remove with confirmation prompt
agents skill remove local/file-reader
# Remove without confirmation
agents skill remove local/file-reader --yes
Rich Output
On success, the command prints a Skill Removed panel showing:
- Name of removed skill
- Number of tools removed from registry
- Number of MCP connections closed
- Dependency check (if other skills include the removed skill)
agents skill list
List registered skills with optional namespace and source filters.
agents skill list [--namespace <NS>] [--source <SRC>] [--format <FORMAT>]
Options
| Flag | Short | Description |
|---|---|---|
--namespace |
-n |
Filter by namespace (e.g. local, remote) |
--source |
Filter by tool source type: mcp, agent_skill, builtin, custom |
|
--format |
-f |
Output format (default: rich) |
Examples
# List all skills
agents skill list
# List skills in a specific namespace
agents skill list --namespace local
# List only MCP-backed skills
agents skill list --source mcp
# List as JSON for scripting
agents skill list --format json
Rich Output
Produces a table with columns:
- Name — Namespaced skill name
- Description — Skill description
- Tools — Total tool count (resolved)
- Includes — Number of included skills
Followed by a Summary panel with total counts and a success message.
agents skill show
Show full details for a registered skill.
agents skill show <NAME> [--format <FORMAT>]
Arguments
| Argument | Description |
|---|---|
NAME |
Namespaced name of the skill to show |
Options
| Flag | Short | Description |
|---|---|---|
--format |
-f |
Output format (default: rich) |
Examples
# Show skill details
agents skill show local/file-reader
# Show as YAML
agents skill show local/file-reader --format yaml
Rich Output
Prints multiple panels:
- Skill Details — Name, Description, Config path, Created/Updated timestamps
- Includes — List of included skills (if any)
- Direct Tools — Table with Tool, Source, Writes, Checkpoint columns
- MCP Servers — Server name, transport, tool count, status (if any)
- Agent Skill Folders — Folder paths (if any)
- Capability Summary — Total tools, read-only, writes, checkpointable, side effects
agents skill tools
List all tools provided by a skill, including tools from included skills (flattened, de-duplicated).
agents skill tools <NAME> [--format <FORMAT>]
Arguments
| Argument | Description |
|---|---|
NAME |
Namespaced name of the skill to resolve tools for |
Options
| Flag | Short | Description |
|---|---|---|
--format |
-f |
Output format (default: rich) |
Examples
# Show flattened tool list
agents skill tools local/composed-skill
# Show as JSON
agents skill tools local/composed-skill --format json
Rich Output
Produces a table with columns:
- Tool — Tool name
- Source — Source type (builtin, mcp, agent_skill, inline)
- From Skill — Which skill contributed the tool (or "(direct)")
- Read-Only — Whether the tool is read-only
- Writes — Whether the tool writes
- Checkpoint — Whether the tool supports checkpointing
Followed by a tool count and success message.
Error Handling
- Skill not found: Prints error and aborts.
- Circular includes: Detects cycles and prints the cycle path.
Output Formats
All skill commands support the --format flag with the following options:
| Format | Description |
|---|---|
rich |
Full Rich rendering with panels, tables, colors (default) |
json |
Machine-readable JSON output |
yaml |
Structured YAML output |
plain |
Plain text without formatting |
table |
Tabular output |
Structured formats (json, yaml) produce machine-parseable output suitable for piping to jq, yq, or other tools.
Skill YAML Configuration
Skills are defined in YAML files. See docs/schema/skill.schema.yaml for the full schema.
Minimal Example
name: local/file-reader
description: "Basic file reading operations"
tools:
- name: builtin/read_file
- name: builtin/list_directory
Composed Example
name: local/git-github
description: "Git operations and GitHub integration"
tools:
- name: builtin/shell_execute
includes:
- name: local/file-reader
mcp_servers:
- name: github
transport: stdio
command: npx
args: ["-y", "@modelcontextprotocol/server-github"]
env:
GITHUB_PERSONAL_ACCESS_TOKEN: "${GITHUB_TOKEN}"
tool_filter:
include: [create_issue, list_issues]
See examples/skills/ for more configuration examples.