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jsonbill SKILL.md skillA

jsonbill from quailyquaily/mistermorph is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned

mdr add quailyquaily/mistermorph/jsonbill@git:20260213.ef3fe6e

Pins git:20260213.ef3fe6e in mdr.lock. Pin the fingerprint instead.

Audit grade: A, 17 of 17 checks passed
Kind: SKILL.md skill
Repository: quailyquaily/mistermorph
Path: assets/skills/jsonbill/SKILL.md
Versions recorded: 3
Latest version: git:20260213.ef3fe6e, committed Feb 13, 2026
First version recorded: Feb 1, 2026
Size: 3,782 bytes
Repository stars: 83
License: Apache-2.0

Generate a PDF invoice/statement files from JSON via JSONBill API.

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

# JSONBill (portable, safe)

API base: `https://api.jsonbill.com`

This skill is designed to call the JSONBill REST API **without ever exposing API keys/tokens to the LLM**:

- Do **not** ask the user to paste an API key/token.
- Do **not** place secrets in prompts, logs, or tool parameters.
- Use a **host-side credential mechanism** (e.g. “credential profile”, “secret manager”, “vault”, env var injection) so the agent never sees the secret value.

## Prerequisites (host configuration)

The host must be configured (outside this skill) with:

- A credential profile id (recommended): `jsonbill`
- A secret reference (example): `JSONBILL_API_KEY`
- A binding that injects the credential into HTTP requests (commonly: `Authorization: Bearer <secret>`)

## Endpoints

- Create task: `POST /tasks/docs`
- Poll task: `GET /tasks/{trace_id}`
- PDF URL: `GET /tasks/{trace_id}.pdf` (usually you can return this URL without downloading)

## Portable pseudocode

Notes:
- If the user input is a **local file path**, you MUST read the file and parse its JSON first. Never send local paths to external APIs.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint

mdr add quailyquaily/mistermorph/jsonbill@sha256:31df9381ce50ca1b

The line at the top of this page pins the label git:20260213.ef3fe6e, 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.

Badge

[![mdr](https://markdownregistry.com/badge/art_vcuvabhsmnktoahb.svg)](https://markdownregistry.com/a/art_vcuvabhsmnktoahb)

6 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 3 versions of this file, between Feb 1, 2026 and Feb 13, 2026, about one every 6 days.

version	committed	commit	size	audit
git:20260213.ef3fe6e latest	2026-02-13	ef3fe6e	3,782 B	A	view · diff
git:20260206.b623e34	2026-02-06	b623e34	3,776 B	A	view · diff
git:20260201.108b9a7	2026-02-01	108b9a7	3,820 B	A	view

Audit of the latest version

A 17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.

pass: Frontmatter block present
pass: Frontmatter declares a name
pass: Frontmatter declares a description
pass: Size between 200 bytes and 200 KB (3782 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

GitHub

quailyquaily/mistermorph · 83 stars · license Apache-2.0 · pushed 2026-11-09 · branch master

API

GET https://markdownregistry.com/api/v1/artifacts/art_vcuvabhsmnktoahb
GET https://markdownregistry.com/api/v1/resolve?ref=quailyquaily/mistermorph/jsonbill
GET https://markdownregistry.com/api/v1/blob/31df9381ce50ca1bb6a4839df78d2b7bce990c517da5ffdbf1a3689b5fb97180

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.