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mcp/harbor
Verified official

990.tax Form 990-N filing MCP

v1.0.0

tax.990/990n-filing

Prepare a Form 990-N from IRS records, check it, review and pay on 990.tax, track IRS acceptance.

transport:streamable-http
Website

Target client

run in your project directory 

claude mcp add --transport http 990n-filing https://app.990.tax/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

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.