Aiwyn Tax (formerly Column Tax)
Claude connectorEstimate your federal & state taxes with Aiwyn's tax engine
- Tools
- 9
exposed by this connector
Movement
From our daily snapshots over the last 30 days.
Rank by popularity
#691of 5,1831places down24h36places down7d
Rank by trending score
#1274of 2,4549places down24h61places down7d
Popularity score
11,838−224h+587d
Trending score
30,302+8124h+2,5437d
In its category
How this connector compares with others in the same category. Positions are counted within the category, not across the whole directory.
Financial services106th of 691 by popularity · 192nd of 364 by trending score
Order by
| # | Connector | Popularity | Trending | 7d |
|---|---|---|---|---|
| 103 | 11,928 | 26places down | ||
| 104 | 11,921 | 6places down | ||
| 105 | 11,909 | 27places down | ||
| 106 | 11,838 | 36places down | ||
| 107 |  Black Diamond | 11,837 | 3places up | |
| 108 | 11,814 | 35places down | ||
| 109 | 11,791 | 10places down |
| # | Connector | Trending | Popularity | 7d |
|---|---|---|---|---|
| 189 | 30,481 | 112places down | ||
| 190 | 30,427 | 182places down | ||
| 191 |  TaxAct | 30,339 | 157places down | |
| 192 | 30,302 | 61places down | ||
| 193 |  ICE Data Services | 30,287 | 130places down | |
| 194 | 30,271 | 175places down | ||
| 195 |  Firmenbuch | 30,266 | 71places down |
Estimate your federal & state taxes using Aiwyn's tax engine that's filed over 1 million returns. Give Claude your tax documents (e.g. W-2s) and get a 1040 PDF back.
Install
claude mcp add --transport http aiwyn-tax https://mcp.columnapi.com/mcp
Tools
- check_tax
- calculate_tax
- tax_years
- tax_jurisdictions
- tax_namespace_schema
- tax_namespaces
- tax_simple_return
- generate_tax_pdf_tool
- generate_uuid_v5
- Categories
- Made by
- Aiwyn, Inc. · Website
- Sign-in
- Not required
- Connector URL
- https://mcp.columnapi.com/mcp
- Transport
- Streamable HTTP
- Permissions
- Read Only
- Works with
- Claude, Claude API, Claude Code
- Acts on
- Finances
- Everyday life
- Money
- Added
- March 22, 2026
- More info