dd-checklist

dd-checklist is a skill for Claude Code, Codex from microsoft/cat-agent-skills. It costs 137 tokens per session (2,522 once invoked), scanned A, original, MIT.

A live checklist for acquisition due diligence: the review requests to send, what has arrived, what is still owed, how long requests have been open, follow-up drafts, and a risk register. Due diligence is the process of checking a deal before deciding whether to proceed.

In plain words
What is it for?
Use it to manage a deal’s information requests, chase missing materials, and record serious issues with their severity and possible mitigations.
Why use it?
It prevents missing documents and makes overdue requests and unresolved risks visible. It tracks the review process rather than performing the underlying legal, financial, or technical analysis.

Skill for Claude CodeCodex ✓ vendor

Written for no agent in particular: nothing here depends on one. Also seen: names the AskUserQuestion tool; positional $N argument.

Good fit Use it to manage a deal’s information requests, chase missing materials, and record serious issues with their severity and possible mitigations.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/microsoft/cat-agent-skills/dd-checklist
About the project

microsoft/cat-agent-skills is a static website that catalogs reusable instruction sets and related packages for AI agents. People use it to search, filter, rate, and download skills for Cowork, Copilot Studio, and Scout, along with Copilot plugins and Scout automations. The catalogue entries are the skills, instructions, plugins, and settings displayed by the site.

microsoft/cat-agent-skills · 101 stars · on GitHub

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add microsoft/cat-agent-skills --skill dd-checklist
Clone the repo
git clone --depth 1 https://github.com/microsoft/cat-agent-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for dd-checklist

README.md
[![agentmods](https://agentmods.dev/badge/skills/microsoft/cat-agent-skills/dd-checklist/github.svg)](https://agentmods.dev/skills/microsoft/cat-agent-skills/dd-checklist)
Your own site
<a href="https://agentmods.dev/skills/microsoft/cat-agent-skills/dd-checklist"><img src="https://agentmods.dev/badge/skills/microsoft/cat-agent-skills/dd-checklist/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for dd-checklist

Your own site · 80×15
<a href="https://agentmods.dev/skills/microsoft/cat-agent-skills/dd-checklist"><img src="https://agentmods.dev/badge/skills/microsoft/cat-agent-skills/dd-checklist.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 137 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,522 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00137 $0.02522
Opus 5.5 $0.00055 $0.01009
Sonnet 5.5 $0.00027 $0.00504
Haiku 4.5 $0.00014 $0.00252

Measured 2d ago against content hash aec8481793fb, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

dd-checklist scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

submissions/capital-markets-for-cowork/skills/dd-checklist/SKILL.md · 216 lines

How it starts

The opening of the file, as written. The whole thing — 216 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Due Diligence Checklist

Turns a diligence scope into a tracked request list — and, more importantly, an evidenced view of what has actually arrived versus what is still owed. The outstanding list and the red flags are the point; the checklist is scaffolding.

When NOT to Use

  • External auditor or PBC evidence requests — outside this skill's scope.
  • Generating diligence questions from a selling document — use cim-teardown instead.
  • Writing the recommendation or the open-items section of a memo — use ic-memo instead.
  • Conducting the diligence itself — this tracks and evidences requests; it does not perform financial, legal, or technical review; for the document read-through and issues list use document-diligence instead.

Hand off rather than overlap:

  • Questions generated from the CIM — use cim-teardown instead; its output feeds this list.
  • The committee paper and its open-items section — use ic-memo instead.
  • Reading the documents into a cited issues list — use document-diligence instead.
  • Quality-of-earnings and adjustment challenge — use cim-teardown instead.
  • Returns modeling on the diligence findings — outside this skill's scope.
  • Auditor request mapping and evidence gaps — outside this skill's scope.
  • Pro forma EPS and accretion on the transaction — use merger-model instead.
  • Intrinsic valuation of the business — outside this skill's scope.
  • Chasing budget or planning submissions — outside this skill's scope.

Workflow

1. Scope the diligence

Establish the target, its sector and business model, the deal type (platform, add-on, growth, recap, carve-out), the approximate size, and the timeline to LOI or close. Ask once with core-AskUserQuestion only for what cannot be retrieved — scope and deal type usually cannot; almost everything else can.

Pull the timeline from the calendar rather than asking: outlook_calendar-ListCalendarView for the committee date, the management session, or the signing milestone. A checklist with no deadline cannot prioritize, and the gating date is what separates a P0 from a P2.

Read the full file on GitHub · 216 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 216 lines · 137 tokens per session scan A aec8481793fb

Subscribe to this mod's changes

dd-checklist is a skill published in the GitHub repository microsoft/cat-agent-skills (101 stars, last pushed yesterday), licensed MIT. It adds 137 tokens to every session and 2,522 once invoked, about $0.0005 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-11-06.

Related

dd-checklist compared with skills from other repositories

dd-checklist next to 6 skills from other repositories
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