For AI agents
CyberMax MCP servers
35 remote MCP servers (Streamable HTTP) with free daily tiers, listed in the official MCP Registry. Every tool is read-only and looks up public data.
| Server | What it does | Tools | Endpoint |
|---|---|---|---|
| Afterwren | Retired-API replacements: Clearbit-style company autocomplete, logos, profiles; geocoding; books. | 7 tools | https://afterwren.cybermaxtools.com/mcp |
| Awardtide Recompete Radar | Expiring US federal contracts MCP: recompete search by NAICS/agency. Free first 10; $29/mo. | 1 tools | https://awardtide.cybermaxtools.com/mcp |
| Billsprig Invoice Maker | Make invoice, quote and receipt PDFs from a chat: totals, tax, 26 currencies. Free, nothing stored. | 1 tools | https://gpt-billsprig.cybermaxtools.com/mcp |
| Bonafido: Business Domain Verification API | Bonafido: is a domain a real business site? Verdict, trust score, risk flags. | 1 tools | https://bonafido.cybermaxtools.com/mcp |
| Citewren | AI search readiness MCP: score a site for ChatGPT/Claude/Perplexity crawlers. 3 free/day. | 1 tools | https://citewren.cybermaxtools.com/mcp |
| Commonkite: Free Image Search API, Creative Commons & CC0 | Commonkite: free-to-use CC/public-domain images with license + credit line. | 1 tools | https://commonkite.cybermaxtools.com/mcp |
| CyberMax Data | Free US data lookups: ZIP demographics, CISA KEV/EPSS CVEs, domain rank, county spending, recalls. | 7 tools | https://data.cybermaxtools.com/mcp |
| Deltawren | Daily data feeds MCP: CISA KEV+EPSS, SEC Form 4, 10-K sections, domain ranks. Keys $19/mo. | 2 tools | https://deltawren.cybermaxtools.com/mcp |
| DomainDNA | Tech stack, email security (SPF, DMARC, MX provider) and domain age API + MCP. 25 free domains/day. | 4 tools | https://domaindna-api.cybermaxtools.com/mcp |
| Dutyfinch Tariff Lookup | US import duty and HTS codes from the official USITC schedule, plus Section 301 China status. Free. | 2 tools | https://gpt-dutyfinch.cybermaxtools.com/mcp |
| Dutyfinch | US tariff API + MCP: HTS duty rates, Section 301 lists. Keys $19/mo; 50 free calls a day. | 4 tools | https://dutyfinch.cybermaxtools.com/mcp |
| Feedpeck: RSS Feed Finder & Reader by Website | Feedpeck: find any site's RSS/Atom/JSON feeds + latest posts. Free, no key. | 2 tools | https://feedpeck.cybermaxtools.com/mcp |
| Fieldwright | Fieldwright: web page to clean Markdown, metadata, JSON-LD, emails, phones. | 1 tools | https://fieldwright.cybermaxtools.com/mcp |
| Figurewell | Point-in-time SEC financials API + MCP: XBRL as first reported, EDGAR times. 100 free/day. | 3 tools | https://figurewell-api.cybermaxtools.com/mcp |
| Haulroll | FMCSA carrier vetting API + MCP: authority, insurance, OOS. Keys $19/mo; 50 free calls/day. | 3 tools | https://haulroll-api.cybermaxtools.com/mcp |
| HireHeat | Company hiring signals + open jobs from Greenhouse, Lever, Ashby boards, API + MCP. 20 free/day. | 2 tools | https://hireheat-api.cybermaxtools.com/mcp |
| Insidewell | Insider trading API + MCP: SEC Form 4 buys/sells, cluster buys. Keys $19/mo; 100 free/day. | 3 tools | https://insidewell-api.cybermaxtools.com/mcp |
| Kevscope | CVE patch-priority API + MCP: CISA KEV, EPSS, CVSS, SSVC. Keys $19/mo; 200 free calls/day. | 3 tools | https://kevscope-api.cybermaxtools.com/mcp |
| Kevscope CVE Check | Is a CVE exploited? CISA KEV, FIRST EPSS, CVSS and SSVC with a patch-first verdict. Free, no key. | 2 tools | https://gpt-kevscope.cybermaxtools.com/mcp |
| Leafmelt | PDF/Word/Excel/HTML to clean Markdown for LLMs and RAG. Keys $19/mo; 50 free calls a day. | 2 tools | https://leafmelt.cybermaxtools.com/mcp |
| Ledgermoor Table to Excel | Turn any table into a real .xlsx or CSV file: numbers stay numbers, header frozen. Free, no storage. | 1 tools | https://gpt-ledgermoor.cybermaxtools.com/mcp |
| Linkheft | Domain authority API + MCP: 0-100 score, rank, trend, 50/call. $19/mo; 1,000 free lookups/day. | 2 tools | https://linkheft-api.cybermaxtools.com/mcp |
| Logolark: Company Logo API & Favicon Finder by Domain | Logolark: company domain to logo, square icon and brand colour. Free tier; paid keys. | 1 tools | https://logolark.cybermaxtools.com/mcp |
| Mailvett: Email Validation API for AI Agents | Mailvett: validate emails. MX, provider, disposable/role/free flags, typo fix, verdict. | 1 tools | https://mailvett.cybermaxtools.com/mcp |
| Namewhere | Company name to domain API + MCP: official website, confidence, evidence. $5 pack; 25 free/day. | 1 tools | https://namewhere.cybermaxtools.com/mcp |
| Orbitwren | Orbital data center & space AI compute tracker MCP: projects, launches, orbits, alerts. 100 free/day | 6 tools | https://orbitwren.cybermaxtools.com/mcp |
| Pinloft: Batch Geocoder — Address to Lat/Long + Census FIPS | Pinloft: US address to lat/lon, county, FIPS; reverse geocoding. Free, no key. | 2 tools | https://pinloft.cybermaxtools.com/mcp |
| Pricewick | Competitor price & stock monitor MCP: check any product page. Free 5 products; $9.99/mo. | 1 tools | https://pricewick.cybermaxtools.com/mcp |
| Printwren: HTML to PDF and URL to PDF (real Chrome) | Printwren: web page or HTML to PDF with real Chrome; pages, base64 or download link. Free, no key. | 2 tools | https://printwren.cybermaxtools.com/mcp |
| Recallroll | VIN recall API + MCP: VIN decode + every NHTSA recall, Do Not Drive first. $19/mo; 50 free/day. | 2 tools | https://recallroll-api.cybermaxtools.com/mcp |
| Recapwren Client Reports | Weekly client reports: change, % change, targets, status, printable page and email text. Free. | 1 tools | https://gpt-recapwren.cybermaxtools.com/mcp |
| Shiftmoor | Website change monitor MCP: see what changed on any public page. Free 3 pages; $4.99/mo. | 1 tools | https://shiftmoor.cybermaxtools.com/mcp |
| Sumbloom | Number puzzle API + MCP: solver-checked puzzles as JSON/SVG, daily puzzle. $5/mo; 50 free/day. | 1 tools | https://sumbloom.cybermaxtools.com/mcp |
| Swellmeter Trending | Google trending searches API + MCP: 30 countries, day lists, 30-day history. $5 pack; 50 free/day. | 5 tools | https://swellmeter-api.cybermaxtools.com/mcp |
| Ziplore: US ZIP Code API (county, time zone, demographics, radius) | Ziplore: US ZIP to county, FIPS, time zone, Census demographics; radius and city ZIPs. Free, no key. | 5 tools | https://ziplore.cybermaxtools.com/mcp |
Trust and security
- Registry namespace
dev.workers.cybermax-tools.cybermaxis verified by domain (the public key is served at/.well-known/mcp-registry-auth). - Public manifests, tool schemas and security notes (MIT): gitlab.com/CyberMax.tools/agent-tools.
- Security policy and security.txt.
Free: the Free API Starter Kit
Copy-paste calls for 4 APIs with free daily tiers (CVE priority, VIN recalls, US duty rates, email checks), then 5 short emails on KEV/EPSS, MCP and free data.