I Bond Rate MCP MCP

v1.0.0

io.github.theluckystrike/i-bond-rate-mcp

Current I bond rate, what your I bond earns by issue month, and value estimates from TreasuryDirect.

transport:streamable-http tools:5

Target client

run in your project directory

claude mcp add --transport http i-bond-rate-mcp https://i-bond-rate-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_current_i_bond_rate

Read-only

get current i bond rate


                get_i_bond_rate_for_issue_date

Read-only

get i bond rate for issue date


                estimate_i_bond_value

estimate i bond value


                calculate_i_bond_composite_rate

calculate i bond composite rate


                get_i_bond_rate_history

Read-only

get i bond rate history

All 5 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.