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CyberMax Data

by shawmena-dotcom · remote · no sign-in to list tools · v1.0.0 · published by GitHub user shawmena-dotcom

Free US data lookups: ZIP demographics, CISA KEV/EPSS CVEs, domain rank, county spending, recalls.

Changes · 3
CompareRegistry entry

7 tools: 3 change things and 4 only read.

Scanned Oct 21, 2026

1 check matched something in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http cybermax-data https://data.cybermax-tools.workers.dev/mcp

Findings

Matches of fixed checks, with the text they matched.

1 warn
  • Warndomain_rank

    The server marks "domain_rank" read-only (readOnlyHint: true), and its own name, description or input give the class "write".

    Matched text

    annotations: {"readOnlyHint":true,"idempotentHint":true,"openWorldHint":false}; The description's first verb is "link": a word for a change.

    What this check looks for

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

7 tools

Changes things 3Claude Code: ask
  • county_federal_spendingFY2025 federal prime contract and grant obligations in a US county (USAspending.gov, place of performance): dollars, per-resident values, population and the county's contract rank …No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
    Description, as the server wrote it
    FY2025 federal prime contract and grant obligations in a US county (USAspending.gov, place of performance): dollars, per-resident values, population and the county's contract rank in its state.

    Annotations the server declares

    • readOnlyHint: true
    • openWorldHint: false
    • idempotentHint: true
  • domain_rankLink-graph rank of a popular website (top 5,000): Common Crawl harmonic-centrality and PageRank rank, hosts crawled, previous-crawl rank, Majestic Million rank and referring subnet…1 finding

    Why it is in this group

    • The description's first verb is "link": a word for a change.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.

    Findings

    • Warn

      The server marks "domain_rank" read-only (readOnlyHint: true), and its own name, description or input give the class "write".

      Matched text

      annotations: {"readOnlyHint":true,"idempotentHint":true,"openWorldHint":false}; The description's first verb is "link": a word for a change.

      What this check looks for
    Description, as the server wrote it
    Link-graph rank of a popular website (top 5,000): Common Crawl harmonic-centrality and PageRank rank, hosts crawled, previous-crawl rank, Majestic Million rank and referring subnets. For any other domain use Linkheft on Apify (apify.com/cybermax/domain-authority).

    Annotations the server declares

    • readOnlyHint: true
    • openWorldHint: false
    • idempotentHint: true
  • vehicle_recallLook up an NHTSA vehicle/equipment recall campaign from the last 12 months: manufacturer, component, units affected, do-not-drive and park-outside flags, summary, risk, remedy and …No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
    Description, as the server wrote it
    Look up an NHTSA vehicle/equipment recall campaign from the last 12 months: manufacturer, component, units affected, do-not-drive and park-outside flags, summary, risk, remedy and affected make/model/year list.

    Annotations the server declares

    • readOnlyHint: true
    • openWorldHint: false
    • idempotentHint: true
Only reads 4Claude Code: allow
  • cve_kev_lookupCheck whether a CVE is in CISA's Known Exploited Vulnerabilities (KEV) catalog; if so return vendor, product, date added, federal due date, known ransomware use, EPSS probability/p…No findings

    Why it is in this group

    • The name "cve_kev_lookup" says "lookup": a word for reading.
    Description, as the server wrote it
    Check whether a CVE is in CISA's Known Exploited Vulnerabilities (KEV) catalog; if so return vendor, product, date added, federal due date, known ransomware use, EPSS probability/percentile, CVSS score/severity/vector, CWE and required action.

    Annotations the server declares

    • readOnlyHint: true
    • openWorldHint: false
    • idempotentHint: true
  • latest_kevList the CVEs most recently added to CISA's Known Exploited Vulnerabilities catalog, newest first, with EPSS, CVSS and due date in the summary.No findings

    Why it is in this group

    • The description's first verb is "list": a word for reading.
    Description, as the server wrote it
    List the CVEs most recently added to CISA's Known Exploited Vulnerabilities catalog, newest first, with EPSS, CVSS and due date in the summary.

    Annotations the server declares

    • readOnlyHint: true
    • openWorldHint: false
    • idempotentHint: true
  • latest_recallsList the newest US vehicle and equipment recalls from NHTSA, newest first, with risk and remedy.No findings

    Why it is in this group

    • The description's first verb is "list": a word for reading.
    Description, as the server wrote it
    List the newest US vehicle and equipment recalls from NHTSA, newest first, with risk and remedy.

    Annotations the server declares

    • readOnlyHint: true
    • openWorldHint: false
    • idempotentHint: true
  • zip_lookupLook up a US ZIP code: city, state, county, coordinates, time zone and Census ACS 2020-2024 demographics (population, median age, household and per-capita income, median home value…No findings

    Why it is in this group

    • The name "zip_lookup" says "lookup": a word for reading.
    Description, as the server wrote it
    Look up a US ZIP code: city, state, county, coordinates, time zone and Census ACS 2020-2024 demographics (population, median age, household and per-capita income, median home value, median gross rent, housing units, owner-occupied share).

    Annotations the server declares

    • readOnlyHint: true
    • openWorldHint: false
    • idempotentHint: true

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 1.0.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http cybermax-data https://data.cybermax-tools.workers.dev/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__cybermax-data__zip_lookup",
      "mcp__cybermax-data__cve_kev_lookup",
      "mcp__cybermax-data__latest_kev",
      "mcp__cybermax-data__latest_recalls"
    ],
    "ask": [
      "mcp__cybermax-data__domain_rank",
      "mcp__cybermax-data__county_federal_spending",
      "mcp__cybermax-data__vehicle_recall"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as cybermax-data. Review it before you use it.