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Alternative to Ask Blue J

A self-serve alternative to
Ask Blue J

Source-linked research inside the AI tools you already use. TaxMCP starts free, with transparent $9 and $29 monthly plans.

Quick Verdict

A strong fit for source-first research

Choose TaxMCP when you want primary authority inside Claude or ChatGPT. Ask the question, retrieve the source, and keep researching in the same conversation.

Ask Blue J remains an option for teams that prefer its product experience. TaxMCP is self-serve and starts free; public $9–$29 monthly plans add federal research, supported state tax codes, and 49,000+ Tax Court opinions.

Side by Side

Ask Blue J vs. taxmcp.io

Feature
Ask Blue J
taxmcp.io
Pricing model
See Blue J for current options
$0 free, $9/mo Pro, $29/mo Pro+
Delivery
Ask Blue J product experience
Inside Claude, ChatGPT, or any MCP client
Research approach
AI-assisted tax research platform
Primary-source research in your AI client
Citations
See Blue J for current citation features
Linked government sources
Coverage
See Blue J for current coverage
U.S. federal, 35 state codes, Tax Court case law (Pro+)
Research and drafting
Product workflow
Tax research inside the AI client you already use
Getting started
See Blue J for current process
Sign up, paste a URL
Try before subscribing
Ask Blue J about current options
Free tier, no card

Comparisons reflect publicly available information at time of writing. Confirm Ask Blue J details directly with Blue J. Blue J and Ask Blue J are trademarks of Blue J Legal Inc.; this page is not affiliated with or endorsed by Blue J.

The TaxMCP Advantage

A direct, source-first research workflow

Research where you already draft

TaxMCP supplies tax authority inside Claude or ChatGPT, so research, analysis, and drafting can happen in one familiar conversation.

Keep client documents in your chosen AI workflow

TaxMCP does not require client returns or source documents. Use the document controls available in your approved AI client while TaxMCP handles source-linked tax research.

Go straight to U.S. authority

TaxMCP concentrates on U.S. primary sources: federal authority, 35 supported state tax codes, and U.S. Tax Court opinions. That focus keeps the underlying law at the center of every result.

Start on your own schedule

TaxMCP is built for direct adoption by individual practitioners and small firms. Install the plugin in ChatGPT or Claude, or connect the hosted endpoint in another MCP client, and evaluate it on real work before spending a dollar.

FAQ

Switching from Ask Blue J

Both support conversational, cited tax research. TaxMCP is a strong fit when you want primary-source retrieval inside Claude or ChatGPT, with self-serve setup and public plans that start free.

TaxMCP is free to start, with public $9/month Pro and $29/month Pro+ plans. Confirm Ask Blue J pricing and product options directly with Blue J.

TaxMCP is a hosted MCP server, so research can live inside Claude, ChatGPT, or another compatible client. Install it from the ChatGPT or Claude plugin directory, or connect the server URL manually in another MCP client.

Choose TaxMCP when you want verifiable primary-source research inside the AI assistant you already use. TaxMCP keeps government authority visible and offers transparent monthly plans for independent practitioners and small firms.

Put primary authority
inside your AI.

Free tier, no card, no contract. Paste a URL into Claude or ChatGPT and evaluate it on the primary-source questions you already handle.

Get Started Free