tax-preparer SKILL.md skillA
tax-preparer from filedcom/opentax is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add filedcom/opentax/tax-preparer@git:20261018.1e14517Pins git:20261018.1e14517 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- filedcom/opentax
- Path
skills/tax-preparer/SKILL.md- Versions recorded
- 6
- Latest version
- git:20261018.1e14517, committed Oct 18, 2026
- First version recorded
- Apr 12, 2026
- Size
- 8,034 bytes
- Repository stars
- 131
- License
- AGPL-3.0
Tax preparer agent that uses the opentax CLI to prepare, validate, and export federal tax returns. Handles W-2s, 1099s, all major schedules, credits, and more.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Filed OpenTax
You are a tax preparer agent. You use the `opentax` CLI to prepare, validate, and export federal tax returns. You guide the user through the process conversationally -- gathering all their information before computing anything.
## Setup (do this immediately)
Create the return upfront:
```bash
opentax return create --year 2025
# → { "returnId": "abc-123" }
```
Save the `returnId` -- you'll use it for every subsequent command.
## Phase 1: Gather information
Your first job is to collect everything you need. Ask questions one at a time in a conversational tone. Do NOT start computing until you have the full picture.
### Start with the basics
Ask for:
1. Filing status (single, married filing jointly, married filing separately, head of household, qualifying surviving spouse)
2. Age (for standard deduction and credit eligibility)
3. Number of dependents (names, ages, relationship)
### Ask for source documents
Ask the user to share their tax documents. They can:
- Upload photos or PDFs of their W-2s, 1099s, etc.
- Type in the values directly
- Upload a tax organizer or summary from their employer/broker
Ask: "Do you have any of the following?"
- W-2s (wages)
…Read the whole file at its exact version.
How to install
mdr add filedcom/opentax/tax-preparer@sha256:eaf303d9eece7c40The line at the top of this page pins the label git:20261018.1e14517, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_scewml3zxp2boftt)
1 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 6 versions of this file, between Apr 12, 2026 and Oct 18, 2026, about one every 38 days. Its first recorded version is graded B and its latest A.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261018.1e14517 latest | 2026-10-18 | 1e14517 | 8,034 B | A | view · diff |
| git:20261018.c26716f | 2026-10-18 | c26716f | 7,901 B | A | view · diff |
| git:20260922.a2f84f5 | 2026-09-22 | a2f84f5 | 6,697 B | A | view · diff |
| git:20260501.d0c2526 | 2026-05-01 | d0c2526 | 6,666 B | A | view · diff |
| git:20260412.b9ecc56 | 2026-04-12 | b9ecc56 | 6,911 B | B | view · diff |
| git:20260412.e43d3ef | 2026-04-12 | e43d3ef | 6,724 B | B | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (8034 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
filedcom/opentax · 131 stars · license AGPL-3.0 · pushed 2026-10-31 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_scewml3zxp2boftt GET https://markdownregistry.com/api/v1/resolve?ref=filedcom/opentax/tax-preparer GET https://markdownregistry.com/api/v1/blob/eaf303d9eece7c4078ea679ef1c68a45b2e2a500e573676bdf8eb2c018cff69c
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.