feat: add CarParts.com to llms.txt hub

[thedaviddias]

This PR adds CarParts.com to the llms.txt hub.

Submitted by: graham

Website: https://www.carparts.com/
llms.txt: https://www.carparts.com/llms.txt

Category: ecommerce-retail

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Please review and merge if appropriate.

Summary by CodeRabbit

• Chores
  • Added reference data for CarParts.com website integration.

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Project	Deployment	Preview	Comments	Updated (UTC)
llms-txt-hub	Ready	Preview	Comment	Nov 7, 2025 7:49pm

[coderabbitai]

Walkthrough

A new MDX file is added to the websites directory containing YAML front matter with metadata for CarParts.com (name, description, website, llmsUrl, llmsFullUrl, category, publishedAt) and a simple MDX body repeating the description.

Changes

Cohort / File(s)	Summary
New website metadata file packages/content/data/websites/carparts-com-llms-txt.mdx	Added MDX file with YAML front matter containing CarParts.com metadata (site name, description, URLs, category, publish date) and repeated description content in body

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'feat: add CarParts.com to llms.txt hub' clearly and concisely summarizes the main change—adding CarParts.com to the llms.txt hub, which matches the file addition and PR objectives.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch submit-carparts-com-1762544727426

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📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

Knowledge base: Disabled due to Reviews -> Disable Knowledge Base setting

📥 Commits

Reviewing files that changed from the base of the PR and between 935e684 and 3f84f6c.

📒 Files selected for processing (1)

• packages/content/data/websites/carparts-com-llms-txt.mdx (1 hunks)

🧰 Additional context used

🔍 Remote MCP Linear

Summary of Relevant Context for PR #454 Review

Based on my search of the llms.txt hub project in Linear, here is the relevant context for reviewing this CarParts.com submission:

Project Context

The llms.txt hub project is an active collection repository maintained by David Dias. The project manages submissions of websites with llms.txt files, organizing them by category and maintaining comprehensive metadata.

Submission Pattern

Recent issues in the project show that website submissions follow a standardized pattern:

• Website name and llms.txt URL validation
• Categorization (this submission uses "ecommerce-retail")
• Metadata organization in MDX format with YAML front matter

Examples of similar submissions documented in the project include Vercel (completed) and Upsun (pending).

Key Validation Checks

The project has established validation processes documented in completed tickets, including:

• Domain uniqueness verification - THE-1127: "Check that the domain doesn't exist already" (completed)
• URL accessibility - THE-1125: Infrastructure fixes for llms.txt endpoints (completed)

These suggest the submission should verify that CarParts.com hasn't already been added and that the llms.txt endpoint is accessible.

MDX File Format

Submissions are stored as MDX files in packages/content/data/websites/ with YAML front matter containing metadata fields (name, description, website, llmsUrl, llmsFullUrl, category, publishedAt). This is consistent with the PR's addition of the CarParts.com metadata file.

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (1)

• GitHub Check: Validate

🔇 Additional comments (3)

packages/content/data/websites/carparts-com-llms-txt.mdx (3)

6-6: The llmsFullUrl field is optional and correctly left empty for CarParts.com.

Based on codebase analysis, llmsUrl points to the standard llms.txt endpoint, while llmsFullUrl optionally references a full-text variant at llms-full.txt (see the generator output files in packages/generator/src/index.ts). Other submissions follow the same pattern—some populate both fields (like 02ai-dev with https://02ai.dev/llms-full.txt), while others leave llmsFullUrl empty when no full-text version is available (1MillionBot, 48 Club). The empty value for CarParts.com is consistent with this established convention and requires no changes.

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10-13: MDX content structure is appropriate and consistent with repository standards.

The minimal format used in carparts-com (heading + single description paragraph) aligns with the standard pattern across the repository. Analysis of similar website submissions shows this 13-line structure (frontmatter + body) is the typical submission format, not an exception. While some submissions like activepieces include additional subsections, the minimal format remains the established default. The CONTRIBUTING.md file references a "template format" but does not mandate additional content beyond basic description, confirming that the current submission meets project requirements.

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1-9: All verification checks passed—submission is valid and ready.

The CarParts.com llms.txt submission meets all requirements:

• llmsUrl endpoint is accessible with valid content
• Domain is unique (not already in hub)
• llmsFullUrl is correctly empty (CarParts.com does not provide a llms-full.txt endpoint)
• File naming and metadata structure follow project conventions

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