Terminal Tax
E-file your tax return from your AI assistant; you review and sign on one hosted page.
Connect it
Settings → Connectors → Add custom connector
URL: https://mcp.terminal.tax/v1/hosted-mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://mcp.terminal.tax/v1/hosted-mcp{
"mcpServers": {
"filing": {
"url": "https://mcp.terminal.tax/v1/hosted-mcp"
}
}
}claude mcp add --transport http filing https://mcp.terminal.tax/v1/hosted-mcp{
"servers": {
"filing": {
"type": "http",
"url": "https://mcp.terminal.tax/v1/hosted-mcp"
}
}
}3 tools, pulled live
create_filing_sessioncan modifyStarts a filing session for a US federal individual income tax return when the taxpayer asks to file. Input: none. Output: a continuationHandle that identifies this filing session in later calls, and packetRules, the packet rules as text. This call receives no tax facts and creates no return and no link; the filing link comes with an accepted packet. A new filing session is also how a fresh link r
get_packet_schemaread-onlyTakes the filing session's continuationHandle. Returns the packet schema a completed return packet is checked against (the packet holds no Social Security number, ITIN or PIN: the taxpayer types those on the filing page): requestPacketSchema=true returns the schema digest (packetSchemaSha256, sent with the completed packet), an outline whose larger parts are named sections, the section list and th
continue_filing_sessioncan modifyChecks the taxpayer's completed draft packet for a federal return and, when it passes, holds it as an unsigned draft and returns the link to the filing page; otherwise returns a list of problems to correct. This call files nothing and sends nothing to the IRS: the taxpayer reviews, signs and files on the filing page. Inputs: the filing session's continuationHandle, completedReturnPacketJson (the
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