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Front-End Checklist

R0· no sign-in

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

v2.0.1 · active · repository · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality84good
Trust97of 100
Uptime, 30 days100%
Latency p50279 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "front-end-checklist": {
      "type": "http",
      "url": "https://mcp.frontendchecklist.io"
    }
  }
}
claude mcp add --transport http front-end-checklist https://mcp.frontendchecklist.io
[mcp_servers.front-end-checklist]
url = "https://mcp.frontendchecklist.io"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "front-end-checklist": {
      "type": "remote",
      "url": "https://mcp.frontendchecklist.io",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "front-end-checklist": {
      "type": "http",
      "url": "https://mcp.frontendchecklist.io"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=front-end-checklist&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbWNwLmZyb250ZW5kY2hlY2tsaXN0LmlvIn0%3D"
}
{
  "servers": {
    "front-end-checklist": {
      "type": "http",
      "url": "https://mcp.frontendchecklist.io"
    }
  }
}
{
  "mcpServers": {
    "front-end-checklist": {
      "httpUrl": "https://mcp.frontendchecklist.io"
    }
  }
}
extensions:
  "front-end-checklist":
    enabled: true
    name: "front-end-checklist"
    type: streamable_http
    uri: "https://mcp.frontendchecklist.io"
    timeout: 300

Quality 84 / 100good

protocol100 · weight 25
  • pass
    protocol.modernsupports 2026-07-28 (server/discover)
  • pass
    protocol.statelessanswers without a session
  • pass
    protocol.transportstreamable HTTP
  • pass
    protocol.list_ttltool list is cacheable (ttlMs 3600000)
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene100 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations11 of 11 tools declare readOnlyHint or destructiveHint
  • pass
    tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
  • pass
    tools.token_costabout 2,499 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability25 · weight 15
  • warn
    stability.changes11 tool changes in 30 days
  • fail
    stability.rug_pull11 tools kept their name but changed most of their description in 30 days; review before trusting them
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

11 tools, about 2,499 tokens to load them all · tool set a51cd1a1593d · tools last changed 2026-10-05 · checked 2026-10-20 15:57 UTC

Tool changes

  • list_categorieschangeddescription, annotationsmeaning changed
    before

    Lists all available rule categories with their rule counts. **Use PROACTIVELY** at the start of a frontend project review to understand what best practice areas are available (accessibility, performance, SEO, security, etc.) and plan a comprehensive code review strategy. **Workflow:** Use FIRST when starting a comprehensive audit. Follow up with search_rules to explore specific categories, or review_code to automatically check code against rules in those categories.

    after · 21% of words in common

    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.

  • explain_rulechangeddescription, input schema, annotationsmeaning changed
    before

    Retrieves the educational explanation for a frontend rule. **Use PROACTIVELY** when the user asks "why" about frontend practices, or when explaining code review feedback. Provides context on why the rule matters, its background, and impact on web development. Categories help connect related concepts. **Workflow:** Use when users question a recommendation, or after fix_rule to provide educational context. Pair with check_rule to validate understanding, or search_rules to find related best practices in the same category.

    after · 34% of words in common

    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.

  • fix_rulechangeddescription, input schema, annotationsmeaning changed
    before

    Retrieves the fix/implementation prompt for a specific rule. **Use PROACTIVELY** after identifying issues in frontend code to get step-by-step remediation guidance. Returns detailed instructions on how to fix the issue correctly, with priority level to help triage multiple issues. **Workflow:** Use after review_code or check_rule identifies issues. Pair with get_rule for complete context, or explain_rule to help users understand the importance of the fix.

    after · 27% of words in common

    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.

  • check_rulechangeddescription, input schema, annotationsmeaning changed
    before

    Checks code against a specific frontend rule. **Use PROACTIVELY** when reviewing HTML/CSS/JS code to validate against frontend best practices. Without code, returns verification guidance. With code, performs heuristic analysis and reports compliance status. If issues are found, includes the fix prompt for immediate remediation. **Workflow:** Use after search_rules finds relevant rules, or when review_code flags a specific issue. Follow up with fix_rule for remediation steps or explain_rule to understand why the rule matters.

    after · 21% of words in common

    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 establish rendered-state or runtime conformance.

  • search_ruleschangeddescription, input schema, annotationsmeaning changed
    before

    Searches and filters frontend development rules. **Use PROACTIVELY** when working on frontend code to find relevant best practices - search by technology (e.g., "react", "images"), concern (e.g., "accessibility", "performance"), or specific patterns. Returns summary information for each match - use get_rule for full details. **Workflow:** Use as a discovery tool before diving deeper. Start with list_categories to see available areas, then search_rules to find specific rules, then get_rule for complete details including code examples.

    after · 18% of words in common

    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.

  • get_rulechangeddescription, input schema, annotationsmeaning changed
    before

    Retrieves a single frontend development rule by its unique slug. **Use PROACTIVELY** when reviewing or debugging frontend code to get best practice guidance. Returns complete rule details including content, prompts (check/fix/explain), and metadata as Markdown with code examples. If the slug doesn't exist, returns suggestions for similar rules. **Workflow:** Use after review_code identifies issues, or after search_rules finds relevant rules. Follow up with check_rule to validate code, fix_rule to get remediation steps, or explain_rule to understand why it matters. **Related Rules:** This tool includes related rules in its response, helping you discover connected best practices and build comprehensive understanding.

    after · 23% of words in common

    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.

  • get_quick_referencechangeddescription, input schema, annotationsmeaning changed
    before

    Returns a compact, actionable checklist of rules for a category. **Use PROACTIVELY** for CI/CD integration, quick audits, or generating checklists. Supports filtering by priority and multiple output formats. **Workflow:** Use for generating quick checklists before deployment or for team handoffs. Pair with check_rule to validate specific items, or get_rule for detailed guidance on any item.

    after · 21% of words in common

    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.

  • get_checklist_ruleschangeddescription, annotationsmeaning changed
    before

    Returns full rule details for every rule in a curated checklist in a single call. **More efficient than calling get_rule N times** after get_workflow. Use when you need the complete rule content for an entire checklist to perform a comprehensive audit or code review. Available checklists: accessibility-essentials, comprehensive-audit, core-web-vitals, html-foundations, image-optimization, javascript-resilience, launch-checklist, performance-quick-wins, privacy-and-consent, security-audit, seo-audit, testing-checklist.

    after · 49% of words in common

    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, comprehensive-audit, core-web-vitals, html-foundations, image-optimization, javascript-resilience, launch-checklist, performance-quick-wins, privacy-and-consent, security-audit, seo-audit, testing-checklist.

  • get_workflowchangeddescription, annotationsmeaning changed
    before

    Returns a curated, ordered sequence of rules for a specific checklist workflow. **Use PROACTIVELY** when performing comprehensive audits or setting up new projects. Available workflows: accessibility-essentials, comprehensive-audit, core-web-vitals, html-foundations, image-optimization, javascript-resilience, launch-checklist, performance-quick-wins, privacy-and-consent, security-audit, seo-audit, testing-checklist. **Workflow:** Use this tool FIRST to get a structured approach, then use get_rule for each step's details, and check_rule to validate code against each rule.

    after · 48% of words in common

    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-foundations, image-optimization, javascript-resilience, launch-checklist, performance-quick-wins, privacy-and-consent, security-audit, seo-audit, testing-checklist.

  • audit_urlchangeddescription, input schema, annotationsmeaning changed
    before

    Fetches a public URL and audits its HTML against frontend best practice rules. **Use this tool** when you want to check a live website without manually pasting HTML. Automatically fetches the page source and runs the same heuristic checks as review_code. **Workflow:** Call audit_url with a public https:// URL → get back a prioritized issue list → use fix_rule for remediation guidance on each issue.

    after · 20% of words in common

    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 execute the page, measure live Core Web Vitals, or certify accessibility.

Showing the latest 10. Full history: list_changes · trend: quality JSON.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 97 / 100

provenance90
liveness100
freshness100
hygiene100

+repository +namespace-matches-repo +website +reachable +uptime-100% +updated-16d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://mcp.frontendchecklist.io streamable-httpnoneyes100%279 ms2026-07-282026-10-20

Tools (11)

audit_urlread-onlyFetches 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 execute the page, measure live Core Web Vitals, or certify accessibility.
check_ruleread-onlyChecks 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 establish rendered-state or runtime conformance.
explain_ruleread-onlyExplains 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.
fix_ruleread-onlyReturns 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.
get_checklist_rulesread-onlyReturns 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, comprehensive-audit, core-web-vitals, html-foundations, image-optimization, javascript-resilience, launch-checklist, performance-quick-wins, privacy-and-consent, security-audit, seo-audit, testing-checklist.
get_quick_referenceread-onlyReturns 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.
get_ruleread-onlyReturns 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.
get_workflowread-onlyReturns 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-foundations, image-optimization, javascript-resilience, launch-checklist, performance-quick-wins, privacy-and-consent, security-audit, seo-audit, testing-checklist.
list_categoriesread-onlyLists available frontend rule categories, their descriptions, and rule counts. Use it when the user asks what the checklist covers or needs valid category names.
review_coderead-onlyRuns 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 source code. An empty issue list means no provable static issue was found; it does not establish accessibility conformance or runtime correctness.
search_rulesread-onlyFinds 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.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "io.github.thedaviddias/front-end-checklist",
  "icons": [
    {
      "src": "https://frontendchecklist.io/favicon.svg",
      "sizes": [
        "any"
      ],
      "mimeType": "image/svg+xml"
    }
  ],
  "title": "Front-End Checklist",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://mcp.frontendchecklist.io",
      "type": "streamable-http"
    }
  ],
  "version": "2.0.1",
  "repository": {
    "url": "https://github.com/thedaviddias/Front-End-Checklist",
    "source": "github",
    "subfolder": "packages/mcp"
  },
  "websiteUrl": "https://frontendchecklist.io/mcp",
  "description": "Review frontend code and live pages against 386 quality-gated web development rules."
}