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MCP servers
thedaviddias avatar

Front-End Checklist

thedaviddias/front-end-checklist

Review frontend code and live pages against 386 quality-gated web development rules.

GitHub stars
74.7K
tools
11
transport
HTTP
last updated
Oct 4, 2026
View on GitHubSave

Install

From registry metadata
$ npx add-mcp https://mcp.frontendchecklist.io --name front-end-checklist

Run in your terminal. add-mcp asks which agents to add it to (Claude Code, Codex, Cursor and more). Add -g to install it for every project.

Review the command, arguments and environment values before installing. MCP servers run with your local permissions.

Other ways

Claude Code

$ claude mcp add --transport http front-end-checklist https://mcp.frontendchecklist.io

Run in your terminal. Add --scope user to make it available in every project.

Tools

Verified live · 11 tools

Verified live against the running server on Nov 13, 2026.

review_codeRuns a non-exhaustive static heuristic review of pasted HTML, CSS, or JavaScript against multiple frontend best practices and returns prioritized issues, fix guidance, and suggestions for manual verification. Use it when the user requests a review, audit, or debugging of sourc...3 params

Runs a non-exhaustive static heuristic review of pasted HTML, CSS, or JavaScript against multiple frontend best practices and returns prioritized issues, fix guidance, and suggestions for manual verification. Use it when the user requests a review, audit, or debugging of sourc...

Parameters* required
code*string
The HTML, CSS, or JavaScript source to review (a snippet or a whole file).
focusarray
Only check these categories (default: auto-detected from the code).
minPrioritystring
Lowest priority to report (default: medium).one of critical · high · medium · low
audit_urlFetches a public HTTPS page and performs a non-exhaustive static review of its HTML, returning prioritized issues and fix guidance. Use it when the user requests an audit of a deployed public page. Localhost, private networks, and plain HTTP URLs are refused. It does not execu...3 params

Fetches a public HTTPS page and performs a non-exhaustive static review of its HTML, returning prioritized issues and fix guidance. Use it when the user requests an audit of a deployed public page. Localhost, private networks, and plain HTTP URLs are refused. It does not execu...

Parameters* required
focusarray
Only check these categories (default: auto-detected from the fetched HTML).
minPrioritystring
Lowest priority to report (default: medium).one of critical · high · medium · low
url*string
Public URL to audit. Must use https://. Private IPs and localhost are blocked.
get_workflowReturns the ordered steps of a curated audit workflow, including rule slugs, priorities, and categories. Use it when the user requests a structured audit such as a pre-launch checklist. Available workflows: accessibility-essentials, comprehensive-audit, core-web-vitals, html-f...1 params

Returns the ordered steps of a curated audit workflow, including rule slugs, priorities, and categories. Use it when the user requests a structured audit such as a pre-launch checklist. Available workflows: accessibility-essentials, comprehensive-audit, core-web-vitals, html-f...

Parameters* required
slug*string
The checklist workflow slug. Available: 'accessibility-essentials', 'comprehensive-audit', 'core-web-vitals', 'html-foundations', 'image-optimization', 'javascript-resilience', 'launch-checklist',...one of accessibility-essentials · comprehensive-audit · core-web-vitals · html-foundations · image-optimization · javascript-resilience
get_checklist_rulesReturns titles, priorities, verification and remediation prompts for every rule in a curated checklist. Use it when the user requests guidance for an entire checklist. includeContent optionally adds each rule’s long-form body. Available checklists: accessibility-essentials, co...2 params

Returns titles, priorities, verification and remediation prompts for every rule in a curated checklist. Use it when the user requests guidance for an entire checklist. includeContent optionally adds each rule’s long-form body. Available checklists: accessibility-essentials, co...

Parameters* required
checklist*string
Checklist slug. Available: 'accessibility-essentials', 'comprehensive-audit', 'core-web-vitals', 'html-foundations', 'image-optimization', 'javascript-resilience', 'launch-checklist', 'performance-...one of accessibility-essentials · comprehensive-audit · core-web-vitals · html-foundations · image-optimization · javascript-resilience
includeContentboolean
Include full MDX body content (large). Default false returns title, description, prompts, and metadata only.
get_quick_referenceReturns a compact checklist for one frontend category, filtered by priority and formatted as JSON, Markdown, or a task list. Use it when the user requests a concise checklist for a deployment, review, or team handoff.3 params

Returns a compact checklist for one frontend category, filtered by priority and formatted as JSON, Markdown, or a task list. Use it when the user requests a concise checklist for a deployment, review, or team handoff.

Parameters* required
category*string
Category name, e.g. 'accessibility', 'performance', or 'seo' (see list_categories).
formatstring
Output format (default: 'json'). Use 'markdown' for readable docs, 'checklist' for copy-paste task lists.one of json · markdown · checklist
priorityFilterstring
Filter by priority level (default: 'critical+high'). Use 'all' for comprehensive lists, 'critical' for essentials only.one of all · critical · critical+high · critical+high+medium
get_ruleReturns complete guidance for one known rule slug: requirements, rationale, verification and remediation prompts, code examples, sources, and related rules. Use it when the user requests detailed guidance for a specific frontend rule. Unknown slugs return similar suggestions.2 params

Returns complete guidance for one known rule slug: requirements, rationale, verification and remediation prompts, code examples, sources, and related rules. Use it when the user requests detailed guidance for a specific frontend rule. Unknown slugs return similar suggestions.

Parameters* required
includeUrlboolean
Include the rule's web URL in response (default: false)
slug*string
Rule slug: the kebab-case rule ID, e.g. 'alt-text' or 'doctype'. The ID must identify a rule in the published catalogue.
search_rulesFinds frontend rules by keywords, category, and priority, returning paginated slugs, titles, and short summaries. Use it when the user requests relevant practices for a technology, concern, or pattern, such as web fonts or accessible forms.5 params

Finds frontend rules by keywords, category, and priority, returning paginated slugs, titles, and short summaries. Use it when the user requests relevant practices for a technology, concern, or pattern, such as web fonts or accessible forms.

Parameters* required
categoriesarray
Only return rules in these categories.
cursorstring
Cursor from a previous response, to fetch the next page of results.
limitinteger
Max results to return (default: 20, max: 100)default: 20
prioritiesarray
Only return rules with these priorities.
querystring
Keywords to match, e.g. 'lazy loading images'. Omit to list rules by filters only.
check_ruleChecks a code snippet against one named frontend rule using static heuristics and returns findings and verification guidance. Without code, returns manual verification guidance. Use it when the user requests a check of a specific rule or a proposed fix. Results do not establis...2 params

Checks a code snippet against one named frontend rule using static heuristics and returns findings and verification guidance. Without code, returns manual verification guidance. Use it when the user requests a check of a specific rule or a proposed fix. Results do not establis...

Parameters* required
codestring
Code to test against the rule. Omit to get manual verification steps.
slug*string
Rule slug: the kebab-case rule ID, e.g. 'alt-text' or 'doctype'. The ID must identify a rule in the published catalogue.
fix_ruleReturns step-by-step remediation guidance and priority for one named frontend rule. Use it when the user requests implementation or fix instructions for a known issue. Optional codeSnippet provides context; the tool does not edit files or apply changes.2 params

Returns step-by-step remediation guidance and priority for one named frontend rule. Use it when the user requests implementation or fix instructions for a known issue. Optional codeSnippet provides context; the tool does not edit files or apply changes.

Parameters* required
codeSnippetstring
Code that violates the rule, so the fix guidance can reference it.
slug*string
Rule slug: the kebab-case rule ID, e.g. 'alt-text' or 'doctype'. The ID must identify a rule in the published catalogue.
explain_ruleExplains one frontend rule, including its background, impact on users and the business, and related categories. Use it when the user asks why a practice matters or requests educational context. It returns explanation guidance rather than applying a fix.1 params

Explains one frontend rule, including its background, impact on users and the business, and related categories. Use it when the user asks why a practice matters or requests educational context. It returns explanation guidance rather than applying a fix.

Parameters* required
slug*string
Rule slug: the kebab-case rule ID, e.g. 'alt-text' or 'doctype'. The ID must identify a rule in the published catalogue.
list_categoriesLists available frontend rule categories, their descriptions, and rule counts. Use it when the user asks what the checklist covers or needs valid category names.

Lists available frontend rule categories, their descriptions, and rule counts. Use it when the user asks what the checklist covers or needs valid category names.

No parameters. Call it with no arguments.

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Readme

Front-End Checklist

The essential checklist for modern web development, for humans and AI agents

License Backers on Open Collective Support via Open Collective ProductHunt MCP


Front-End Checklist is the open-source front-end quality system for humans and AI agents. It turns front-end best practices into a practical review workflow you can browse on the web, run through with MCP-compatible tools, or work through directly in this README.


Introduction

  • Website: frontendchecklist.io
  • Rules: frontendchecklist.io/rules
  • MCP server: mcp.frontendchecklist.io

View the full README on GitHub

Details

Repository
github.com/thedaviddias/front-end-checklist
Website
frontendchecklist.io/mcp
Transport
HTTP
Registry
MCP registry, active
Resources
399
Prompts
5
Tools verified
Nov 13, 2026