python-loop-iteration

Name: python-loop-iteration
Author: mention-ai-inc

Name the loop variable as the **singular** of the iterable being walked—never a single-letter placeholder such as `i`, `x`, or `e`.

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Instruction file imported from mention-ai-inc/app-template (.cursor/rules/python-loop-iteration.mdc). Copyright stays with the author.

For-loop iteration variables

Name the loop variable as the singular of the iterable being walked—never a single-letter placeholder such as i, x, or e.

Prefer for item in items, for note in notes, for row in rows.
Avoid for i in items, for x in notes, etc., unless the domain genuinely uses a conventional letter (e.g. mathematical indices in numeric code).

Nested loops should still use meaningful singular names (often combining with qualifiers): for outer_item in outer_items / for inner_item in outer_item.children, or distinct singular nouns per collection.

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Copy one of these into your project. Installing also returns the manifest and these snippets.

# after Install: the listing is in your workspace's routing pool - a plan picks it for its slot
curl -s -X POST https://api.opensmartroute.ai/api/v1/route -H 'Authorization: Bearer $OSR_API_KEY' -H 'Content-Type: application/json' -d '{"text": "...", "plan": true}'

Manifest

An Open Capability Manifest: the router reads it to know what this does, what it costs and when to pick it.

mention-ai-inc-app-template-python-loop-iteration-rule.ocm.jsonjson

{
  "ocm": "1",
  "id": "mention-ai-inc-app-template-python-loop-iteration-rule",
  "kind": "skill",
  "name": "python-loop-iteration",
  "description": "Name the loop variable as the **singular** of the iterable being walked—never a single-letter placeholder such as `i`, `x`, or `e`.",
  "publisher": "mention-ai-inc",
  "version": "1.0.0",
  "capabilities": {
    "domains": [
      "coding"
    ],
    "tags": [
      "skill-md",
      "github-cursor-rules"
    ],
    "languages": [
      "en"
    ]
  },
  "quality_prior": 0.6,
  "examples": [
    "Name the loop variable as the **singular** of the iterable being walked—never a single-letter placeholder such as `i`, `x`, or `e`."
  ],
  "primary": false,
  "metadata": {
    "source": {
      "provider": "github-cursor-rules",
      "repository": "https://github.com/mention-ai-inc/app-template",
      "path": ".cursor/rules/python-loop-iteration.mdc",
      "ref": "e81d7d697874d45acd900f4f6a61fe379a3bb025",
      "url": "https://github.com/mention-ai-inc/app-template/blob/e81d7d697874d45acd900f4f6a61fe379a3bb025/.cursor/rules/python-loop-iteration.mdc",
      "key": "mention-ai-inc/app-template/.cursor/rules/python-loop-iteration.mdc"
    },
    "applies_to": "**/*.py"
  },
  "instructions": "## For-loop iteration variables\n\nName the loop variable as the **singular** of the iterable being walked—never a single-letter placeholder such as `i`, `x`, or `e`.\n\n- Prefer `for item in items`, `for note in notes`, `for row in rows`.\n- Avoid `for i in items`, `for x in notes`, etc., unless the domain genuinely uses a conventional letter (e.g. mathematical indices in numeric code).\n\nNested loops should still use meaningful singular names (often combining with qualifiers): `for outer_item in outer_items` / `for inner_item in outer_item.children`, or distinct singular nouns per collection.",
  "cost": {
    "context_tokens": 148
  }
}

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For-loop iteration variables

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