blue your CLI for
loan tape operations
One tool to ingest mortgage tapes, query with SQL, check eligibility against guidelines, codify ratesheets, and price loans — all from your terminal.
$ cd ~/projects/Q3-tapes
$ blue tape new Q3-master.xlsx --model WHOLE_LOAN
✓ ingested 1,247 loans
$ blue sql "SELECT COUNT(*) FROM loans WHERE fico >= 680"
1,034
$ blue pricing --ratesheet conforming-30yr
✓ priced 1,247 loans in 2.3s
One command to install
The blue CLI is distributed as a self-contained binary via Azure Blob Storage. Run the one-liner below to download and install.
Everything in its place, before you code
One CLI for the whole loan-tape workflow — ingest, analyse, validate, price, and report.
Tape ingestion
Crack Excel loan tapes into query-ready parquet with a single command. Supports whole-loan, bid-tape, auto, and consumer models.
SQL queries
Answer data questions over a cracked tape with plain DuckDB SQL. Save, replay, and template common analyses.
Eligibility rules
Author eligibility criteria in plain language, run them against any tape, and get per-loan pass/fail diagnostics with explain mode.
Ratesheet codification
Turn a pricing document (ladders, matrices, adjusters) into verified, versioned grid specs that blue can compile and validate.
Loan pricing
Price an entire tape against a codified ratesheet. Base price, LLPAs, coupon ladders — every adjustment with audit trail.
Account & history
Sign in to BEXT, manage your identity, browse run history, and generate reports from recorded pipeline runs.
From zero to priced in six steps
Install blue, sign in, crack a tape, and price it — all from the command line.
Install blue
Install the CLI with the one-liner above. It adds blue to your PATH and installs the Claude Code skill.
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Sign in
Sign in with your BEXT account. This opens your browser for Entra ID authentication.
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Ingest a loan tape
Crack an Excel loan tape into query-ready parquet. The model tells blue how to map columns.
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Query with SQL
Ask questions over the tape with plain DuckDB SQL. The prompt tells you the available columns.
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Check eligibility
Run eligibility rules or a published guideline against the tape. Get per-loan diagnostics.
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Codify & price
Turn a ratesheet into verified grids and price the tape against them.
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