harnesses

List and inspect registered harness adapters.

harnesses is a command group with two subcommands: list and show.

Synopsis

apothem harnesses list [--quiet|-q] [--verbose|-v]
                       [--format plain|json] [--json] [--no-color]
apothem harnesses show NAME
                       [--quiet|-q] [--verbose|-v]
                       [--format plain|json] [--json] [--no-color]

Subcommands

`harnesses list`

List all registered harness adapters.

Option	Description
`--quiet`, `-q`	Suppress informational output; only errors are emitted.
`--verbose`, `-v`	Emit additional diagnostic output.
`--format plain\|json`	Output format (default: `plain`).
`--json`	Shorthand for `--format json`.
`--no-color`	Disable ANSI color codes in output.
`-h`, `--help`	Show help and exit.

`harnesses show NAME`

Show details for a specific harness adapter. NAME is the kebab-case harness identifier; run apothem harnesses list to see the available identifiers.

Option	Description
`NAME`	Harness adapter to inspect (required positional argument).
`--quiet`, `-q`	Suppress informational output; only errors are emitted.
`--verbose`, `-v`	Emit additional diagnostic output.
`--format plain\|json`	Output format (default: `plain`).
`--json`	Shorthand for `--format json`.
`--no-color`	Disable ANSI color codes in output.
`-h`, `--help`	Show help and exit.

Examples

apothem harnesses list
apothem harnesses list --json
apothem harnesses show claude-code
apothem harnesses show claude-code --json

The registered harness IDs are:

antigravity
claude-code
codebuddy
codex
cursor
gemini-cli
github-copilot
glm
hermes
kimi-code
kiro
open-claw
opencode
qwen-code
trae
windsurf
zed

Exit codes

Code	Meaning
0	Success
1	Harness not found (`harnesses show` with an unknown `NAME`), or every adapter failed to load or report (`harnesses list`)
2	At least one adapter listed, but at least one failed to report (`harnesses list`)