Categories › Communication › Messaging apps & SMS
Calling codes, phone analysis, dialing guidance, batch normalization and calling windows.
Remote server: your requests and data go to www.countrycalling.codes. Claude Code: claude mcp add --transport http country-calling-codes https://www.countrycalling.codes/api/mcp · Claude app: Settings → Connectors → Add custom connector.
The tools this server listed when we connected to it, in its own words.
get_phone_capabilities — Discover supported countries, per-operation review coverage, evidence, dataset versions and request limits before choosing a phone workflow.analyze_phone_number — Analyze a number using versioned numbering metadata. National numbers need numberCountryCode; exit prefixes need originCountryCode. Reports get_dialing_instructions — Prepare origin-specific dialing guidance for reviewed countries. Provide origin and destination separately; no phone number returns safe planormalize_phone_numbers — Normalize up to 100 records with unique IDs. Invalid records produce individual errors. Optionally identify canonical duplicate candidates; compare_phone_numbers — Compare two numbers after analysis. Missing context produces indeterminate. Extensions must match unless extensionPolicy is explicitly ignorresolve_phone_region — Resolve a phone number to metadata-backed country candidates or non-geographic numbering. Results are numbering assignments, not current locget_phone_input_rules — Get reviewed display placeholders and trunk-prefix guidance. Examples are not validation masks. English fallback and unsupported editorial cdiagnose_dialing_problem — Explain formatting issues and propose reviewed prefix repairs for confirmation. Uses the same analyzer. Cannot determine why a network rejecfind_calling_windows — Find overlapping working hours using explicit IANA time zones and dates. Handles overnight shifts and DST; never infers location from phone lookup_country_calling_code — Look up international country calling codes by free text, ISO code, dial code, or region. Optionally return reviewed, source-linked dialing format_international_phone_number — Normalize a phone number into a plausible international format using reviewed country-specific rules. Processing is ephemeral. This tool doeNot tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.