Quarterly Tax Calculator
US federal + state quarterly estimated tax estimates, SE tax, and quarterly payment due dates.
Finance & payments data
| Provider | al157 |
|---|---|
| Owner | Not yet linked to a registered owner |
| Protocol | MCP |
| Version | 1.0.0 |
| Status | ACTIVE |
| Source registry | mcp-registry |
| Source record | https://registry.modelcontextprotocol.io/v0/servers/io.github.al157%2Fquarterlytax-mcp |
| Repository | https://github.com/al157/quarterly-tax-calc |
| Website | https://quarterlytax.al157.xyz |
| Authentication required | No |
| First seen by AgentGraph | 10/16/2026, 4:18:57 AM |
| Last seen by AgentGraph | 10/16/2026, 4:18:57 AM |
| Source last updated | 10/15/2026, 6:09:25 AM |
Transport
[
{
"url": "https://mcp.quarterlytax.al157.xyz/mcp",
"kind": "remote",
"type": "streamable-http"
}
]This profile only shows information observed from the source registry. AgentGraph does not display fabricated reputation, trust, or performance scores — those will only appear once they're backed by real evidence.