---
title: "Excel Authoring - Air Market"
description: "When you need a financial spreadsheet built, and other people will need to check the work, this creates the workbook in a form meant to be audited. It does it without a spreadsheet program open."
canonical: "https://airmarket.ai/app/excel-author"
---

[Air Market](/) / [Finance](/category/finance) / Excel Authoring

Skill by [Nous Research](/@nousresearch)

# Excel Authoring

Build financial spreadsheets someone else can check

## What this does

When you need a financial spreadsheet built, and other people will need to check the work, this creates the workbook in a form meant to be audited. It does it without a spreadsheet program open.

### Top 3 things it does for you

- Build a financial workbook
- Make a spreadsheet my reviewer can audit

## Information

**Excel Authoring at a glance**

|  |  |
| --- | --- |
| Kind | Skill |
| Publisher | [Nous Research](/@nousresearch) |
| Category | [Finance](/category/finance) |
| Works with | Agent Skills - an open standard supported by 40+ agents |
| Languages | en |
| Version | 1.0.0 |
| Size | 11 KB |
| Licence | MIT |
| Repository | [NousResearch/hermes-agent](https://github.com/NousResearch/hermes-agent/tree/a61183b56fdb45b9d2a0f2f6b8482e665ccf702f/optional-skills/finance/excel-author) |
| GitHub stars | 261,931 (as of Nov 2026) |

## Security report

**Verified.** AIR scanned this exact version of Excel Authoring and flagged nothing. AIR's verdict: **safe**.

**What Excel Authoring's check was run against**

|  |  |
| --- | --- |
| Commit | a61183b56fdb45b9d2a0f2f6b8482e665ccf702f |
| Content hash | 44d97adcf75e6e8472b05b07708b069febfc596a578670ff2fd87ad4461323f5 |
| Files read | [Browse the files at this exact commit](https://github.com/NousResearch/hermes-agent/blob/a61183b56fdb45b9d2a0f2f6b8482e665ccf702f/optional-skills/finance/excel-author/SKILL.md) |

A scan is named by the exact content it read, not by a version number. A different version is a different artifact, and nothing here applies to a version AIR has not scanned.

[Read the full security report for Excel Authoring](/security/excel-author)

## About Excel Authoring

Builds financial workbooks that are meant to be auditable. It works headless, using openpyxl, so no spreadsheet app has to be open.

## What's inside

- SKILL.md - instructions
- scripts/recalc.py - script

## Questions

### Is Excel Authoring safe to install?

AIR scanned this exact version of Excel Authoring and flagged nothing. AIR's verdict: safe. The verdict is named by the content that was read, at commit a61183b56fdb, so it cannot drift onto a version nobody scanned. The full report is at https://airmarket.ai/security/excel-author.

### How do I install Excel Authoring?

Open https://airmarket.ai/app/excel-author on Air Market and use the install action: Air Market hands Claude a prompt naming this exact skill, and Claude sets it up. Source, pinned to the exact commit this listing describes: https://github.com/NousResearch/hermes-agent/tree/a61183b56fdb45b9d2a0f2f6b8482e665ccf702f/optional-skills/finance/excel-author. Install from that link, not the branch.

## Related on Air Market

- [More Finance listings](/category/finance)
- [Everything by Nous Research](/@nousresearch)

---

Canonical URL: <https://airmarket.ai/app/excel-author>