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63 lines
2.1 KiB
Markdown
63 lines
2.1 KiB
Markdown
# crates.io
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**Mode**: 🌐 Public · **Domain**: `crates.io`
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Search and inspect crates on the public Rust crate registry. Both commands hit the unauthenticated `crates.io/api/v1` directly.
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## Commands
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| Command | Description |
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|---------|-------------|
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| `opencli crates search <query>` | Search the public crates.io registry by keyword |
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| `opencli crates crate <name>` | Single crate metadata (latest version, downloads, license, repo) |
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## Usage Examples
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```bash
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# Free-text search (name / keywords / description)
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opencli crates search tokio --limit 10
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opencli crates search "async runtime" --limit 20
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# Single-crate detail (name from search rows)
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opencli crates crate serde
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opencli crates crate tokio
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# JSON output
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opencli crates search tokio -f json
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```
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## Output Columns
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| Command | Columns |
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|---------|---------|
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| `search` | `rank, name, latestVersion, description, downloads, recentDownloads, repository, updated, url` |
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| `crate` | `name, latestVersion, description, downloads, recentDownloads, versions, license, homepage, documentation, repository, keywords, categories, created, updated, url` |
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The `name` column from `search` round-trips into `crate`.
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## Options
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### `search`
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| Option | Description |
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|--------|-------------|
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| `query` (positional) | Free-text search query |
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| `--limit` | Max results (1–100, default: 20). 100 is crates.io's per-page upper bound. |
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### `crate`
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| Option | Description |
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|--------|-------------|
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| `name` (positional) | crates.io crate name (e.g. `serde`, `tokio`). Must match Rust's identifier rule. |
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## Caveats
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- crates.io requires a descriptive `User-Agent` per [the data-access policy](https://crates.io/data-access). The adapter sets one automatically.
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- `license` is sourced from the **latest version row** in the package's version index — crate-level metadata does not carry a license field.
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- `recentDownloads` is the rolling 90-day count exposed by the API; `downloads` is the lifetime total.
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- `keywords` and `categories` are joined with `, ` for display.
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## Prerequisites
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- No browser required — uses `crates.io/api/v1`.
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