Country Calling Codes for Claude.ai

codes.countrycalling/countrycallingcodes

Calling codes, phone analysis, dialing guidance, batch normalization and calling windows.

client:Claude.ai transport:streamable-http tools:11

Install Country Calling Codes in Claude.ai

Settings → Connectors → Add custom connector

https://www.countrycalling.codes/api/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

get_phone_capabilities
analyze_phone_number
get_dialing_instructions
normalize_phone_numbers
compare_phone_numbers
resolve_phone_region
get_phone_input_rules
diagnose_dialing_problem
find_calling_windows
lookup_country_calling_code
format_international_phone_number

Country Calling Codes in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

Country Calling Codes MCP server