HaloPSA Invoices SKILL.md skillA

HaloPSA Invoices from wyre-ai/msp-claude-plugins is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add wyre-ai/msp-claude-plugins/HaloPSA Invoices@git:20260817.2671d27

Pins git:20260817.2671d27 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
wyre-ai/msp-claude-plugins
Path
msp-claude-plugins/halopsa/halopsa/skills/invoices/SKILL.md
Versions recorded
5
Latest version
git:20260817.2671d27, committed Aug 17, 2026
First version recorded
Jul 13, 2026
Size
4,196 bytes
Repository stars
52
License
Apache-2.0

HaloPSA invoices as a read-only MCP surface: listing by client or date range, filtering by payment and send status, retrieving line-item detail on a single invoice, and the reporting and reconciliation workflows built on them.

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

# HaloPSA Invoices

## Overview

HaloPSA invoices represent bills generated for client work and contracts. Use these tools to view invoice status, track payment, and pull invoice data for reporting or reconciliation. Invoices are read-only via MCP; creation and dispatch happen through the HaloPSA UI or billing workflows.

## Anti-triggers

This surface is read-only. There is no tool here that raises, edits,
sends, or credits an invoice — a request to do any of those cannot be
satisfied by this skill.

- **Raising, sending, or crediting an invoice** — no MCP tool exists;
  route the operator to the HaloPSA UI rather than improvising a write.
- **Payments, ledgers, and reconciliation in the accounting system** —
  the invoice of record for the books lives there; use `xero-invoices`
  and `xero-payments`.
- **Why an invoice says what it says** — recurring charges, prepaid-hour
  deduction, and billing frequency are configured on the agreement; use
  `halopsa-contracts`.
- **The billable time behind a line** — time entries are logged as ticket
  actions; use `halopsa-tickets`.
- **The books are in QuickBooks rather than Xero** — use
  `qbo-invoices`.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add wyre-ai/msp-claude-plugins/HaloPSA Invoices@sha256:daf470d2b0f565a8

The line at the top of this page pins the label git:20260817.2671d27, 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 badge

[![mdr](https://markdownregistry.com/badge/art_2o26zykpxygofbz2.svg)](https://markdownregistry.com/a/art_2o26zykpxygofbz2)

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

Versions

The registry has recorded 5 versions of this file, between Jul 13, 2026 and Aug 17, 2026, about one every 9 days. Its first recorded version is graded B and its latest A.

versioncommittedcommitsizeaudit
git:20260817.2671d27 latest2026-08-17 2671d27 4,196 BA view · diff
git:20260804.8cec48a2026-08-04 8cec48a 4,210 BA view · diff
git:20260804.00a312f2026-08-04 00a312f 3,944 BA view · diff
git:20260728.b7e78fc2026-07-28 b7e78fc 3,167 BA view · diff
git:20260713.1fbd3f32026-07-13 1fbd3f3 3,049 BB 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 (4196 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

wyre-ai/msp-claude-plugins · 52 stars · license Apache-2.0 · pushed 2026-11-05 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_2o26zykpxygofbz2
GET https://markdownregistry.com/api/v1/resolve?ref=wyre-ai/msp-claude-plugins/HaloPSA Invoices
GET https://markdownregistry.com/api/v1/blob/daf470d2b0f565a8dfc355f47c418241000822c243e72ac63bf8f8cf391390c9

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.

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