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
#852of 8,9535places down24h43places down7d
Rank by trending score
#3531of 3,55152places down24h376places down7d
Popularity score
11,961+1624h+397d
Trending score
2,336+76924h+1,9327d
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 services138th of 1,227 by popularity · 530th of 531 by trending score
Order by
| # | Connector | Popularity | Trending | 7d |
|---|---|---|---|---|
| 136 |  Zacks Data | 12,001 | 21,269 #207 | 34places down |
| 137 | 11,962 | 21,880 #201 | 45places down | |
| 138 | 11,961 | 2,336 #530 | 43places down | |
| 139 | 11,941 | 13,844 #357 | 44places down | |
| 140 |  Stocklake | 11,931 | 21,128 #210 | 42places down |
| # | Connector | Trending | Popularity | 7d |
|---|---|---|---|---|
| 527 | 3,158 | 5,170 #621 | 372places down | |
| 528 | 2,723 | 14,186 #61 | 399places down | |
| 529 | 2,585 | 9,899 #221 | 387places down | |
| 530 | 2,336 | 11,961 #138 | 376places down | |
| 531 |  Canonical Company Search | 2,154 | 6,870 #439 | 540places 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