Xl

TJC-LP/xl

3 repo stars
Updated August 4, 2026
TJC-LP/xl

LLM-friendly Excel tooling via a CLI (xl-cli) plus type-safe Scala scripting (xl-scripting) for spreadsheet operations.

About

xl provides LLM-friendly Excel tooling through a CLI (xl-cli) for common spreadsheet operations and a type-safe Scala scripting layer (xl-scripting). It lets agents and developers read and manipulate workbooks programmatically. Use it to automate Excel work from code or an agent.

LLM-friendly Excel ops
xl-cli command tooling
Type-safe Scala scripting
Spreadsheet automation

Xl by the numbers

Data as of Aug 5, 2026 (Skillselion catalog sync)

/plugin marketplace add TJC-LP/xl

/plugin install xl@xl-marketplace

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repo stars	★ 3
Last updated	August 4, 2026
Repository	TJC-LP/xl ↗

What it does

LLM-friendly Excel tooling via a CLI (xl-cli) plus type-safe Scala scripting (xl-scripting) for spreadsheet operations.

README.md

xl Claude Code Plugin

LLM-friendly Excel tooling for Claude Code: read, write, style, and analyze .xlsx files via the xl CLI, or script complex transformations against the xl Scala library. The plugin packages two complementary skills.

Skills

xl-cli — stateless CLI operations

Drives the xl command-line binary: view ranges, read cells, search, evaluate formulas (107 supported functions), export to CSV/JSON/PNG/PDF, style cells, edit rows/columns, and apply atomic batch operations. Every invocation reads the file, applies one change set, and writes the result — no session state. The skill auto-detects the latest released binary from the GitHub API, so it never needs a version bump. See skills/xl-cli/SKILL.md.

xl-scripting — type-safe Scala scripting

Writes scala-cli scripts against the com.tjclp::xl library (one-import prelude, compile-time-validated cell references, total APIs, whole-workbook recalculation with per-cell error reporting). Suited to bulk or conditional transformations, multi-file pipelines, typed data extraction, formula-heavy model building, and streaming 100k+ row files in constant memory. Pins the library version; every documented snippet is compile-verified in CI. See skills/xl-scripting/SKILL.md.

Which one?

One-shot operations (quick reads, single edits, search, visual exports) → xl-cli. Anything with loops, intermediate computation, or many dependent edits that would round-trip the file repeatedly → xl-scripting. They compose well: generate with a script, verify visually with the CLI.

Installation

In Claude Code:

/plugin marketplace add TJC-LP/xl
/plugin install xl@xl-marketplace

Release artifacts

Each GitHub release also attaches the skills as standalone zips for non-marketplace installs: xl-skill-<version>.zip (xl-cli) and xl-scripting-skill-<version>.zip (xl-scripting), alongside the native xl binaries.