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ai-dynamoai-dynamo/modelexpress/.agents/skills/add-cli-argument/SKILL.md

add-cli-argument

Skill202 starsChanged 31 days agoApache-2.0View on GitHub

Add or change a ModelExpress client CLI argument or environment variable. Use whenever touching ClientArgs, ClientConfig::load(), the Cli struct, or envs.rs/envs.py.

The file

We split this skill into the rules it gives an agent

3 rules. About 0 are common, 1 is distinctive, and 2 are very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈1

    Distinctive · estimate

    This author's own choices. Worth a look.

  • 2

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Very specific:

    Do NOT use -v short flag (reserved for CLI's verbose)

    line 13
  2. Distinctive:

    Add override logic in the "APPLY CLI ARGUMENT OVERRIDES" section

    line 16
  3. Very specific:

    Only add CLI-specific arguments there (e.g., --format, --verbose)

    line 20

≈ “Common” is an estimate: at least 1 in 5 of the 350,495 skill files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

Adding CLI Arguments

Client CLI arguments are defined in a shared struct to avoid duplication:

  1. Add to ClientArgs in modelexpress_common/src/client_config.rs
    • Single source of truth for shared arguments
    • Register the variable name in modelexpress_common/src/envs.rs and reference the constant: #[arg(long, env = crate::envs::MODEL_EXPRESS_...)] (never a bare string literal, so the CLI and the envs getters cannot drift). All env-var names live in modelexpress_common/src/envs.rs (Rust) and modelexpress/envs.py (Python).
    • Do NOT use -v short flag (reserved for CLI's verbose)
  2. Update ClientConfig::load() in the same file
    • Add override logic in the "APPLY CLI ARGUMENT OVERRIDES" section
  3. Do NOT duplicate in Cli (modelexpress_client/src/bin/modules/args.rs)
    • Cli embeds ClientArgs via #[command(flatten)]
    • Only add CLI-specific arguments there (e.g., --format, --verbose)
  4. Add tests in the tests module of client_config.rs

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