Aiwyn Tax (formerly Column Tax)
Claude connectorEstimate your federal & state taxes with Aiwyn's tax engine
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.
- Tools
- 9
exposed by this connector
Movement
From our daily snapshots over the last 30 days.
Rank by popularity
#798of 7,2944places down24h58places down7d
Rank by trending score
#3062of 3,07239places down24h548places down7d
Popularity score
11,910−624h+307d
Trending score
2,045−45724h−3,8417d
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 services123rd of 990 by popularity · 446th of 446 by trending score
Order by
| # | Connector | Popularity | Trending | 7d |
|---|---|---|---|---|
| 121 |  Zacks Data | 11,914 | 21,787 #171 | 49places down |
| 122 |  Light | 11,912 | 24,988 #131 | 22places down |
| 123 | 11,910 | 2,045 #446 | 58places down | |
| 124 | 11,898 | 20,560 #191 | — | |
| 125 | 11,895 | 12,718 #322 | 59places down |
| # | Connector | Trending | Popularity | 7d |
|---|---|---|---|---|
| 442 | 3,158 | 5,129 #538 | 523places down | |
| 443 | 2,922 | 14,176 #52 | 404places down | |
| 444 | 2,414 | 6,687 #400 | 332places down | |
| 445 | 2,281 | 9,733 #202 | 539places down | |
| 446 | 2,045 | 11,910 #123 | 548places down |
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
- Sponsorship
- Promote this connector