Postage Stamp Price MCP MCP

v1.0.0

io.github.theluckystrike/postage-stamp-price-mcp

How much is a stamp: USPS Forever stamp, postcard, international and letter postage by weight.

transport:streamable-http tools:3

Target client

run in your project directory

claude mcp add --transport http postage-stamp-price-mcp https://postage-stamp-price-mcp.lipmichal.workers.dev/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs


                get_stamp_price

Read-only

get stamp price


                calculate_letter_postage

calculate letter postage


                get_flat_rate_prices

Read-only

get flat rate prices

All 3 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.