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create-crate

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Create a new Azure SDK crate from a TypeSpec specification.

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How to use this skill

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  1. Open your project in Codex.
  2. Copy the prompt below and paste it into your agent.
  3. Review the proposed files and risks before you approve installation.
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Source SKILL.md: https://github.com/Azure/azure-sdk-for-rust/blob/HEAD/.github/skills/create-crate/SKILL.md

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Creating a New Crate

All new service crates must be generated from TypeSpec specifications in Azure/azure-rest-api-specs. Do not hand-write client libraries from scratch.

  1. Install tsp-client

    • Follow eng/common/tsp-client/README.md to install dependencies
    • Run npm ci from eng/common/tsp-client/
    • Use npm exec --prefix eng/common/tsp-client -- tsp-client {command} to invoke it from the repository root

  2. Find the TypeSpec spec

    • Look for a tspconfig.yaml under specification/{service}/ in azure-rest-api-specs
    • Check the tspconfig.yaml for @azure-tools/typespec-rust emitter configuration
    • If no emitter configuration exists, stop and report an error indicating that the TypeSpec specification in Azure/azure-rest-api-specs must be updated before generating the client

  3. Initialize the crate

    • Run npm exec --prefix eng/common/tsp-client -- tsp-client init --tsp-config {url} from the repository root
    • {url} is the GitHub URL to the tspconfig.yaml
    • Always use a specific commit SHA in the URL — never a branch or tag, which can move
    • Example: https://github.com/Azure/azure-rest-api-specs/blob/{commit-sha}/specification/{service}/{rp}/tspconfig.yaml

  4. Generate the client

    • Use the azsdk_package_generate_code MCP tool, or
    • Run npm exec --prefix eng/common/tsp-client -- tsp-client update from the crate directory

  5. Add hand-written wrappers

    • Create clients.rs (or similar) for custom client constructors, authentication setup, and convenience methods
    • Build on top of the generated code in src/generated/

  6. Register the crate

    • Add the new crate to the workspace members list in the root Cargo.toml

  7. Add tests, examples, and documentation

    • Write unit tests and integration tests (using #[recorded::test])
    • Add examples, a README.md, and a CHANGELOG.md