schedule-development-and-analysis SKILL.md skillA

schedule-development-and-analysis from cbrock84/headcount is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add cbrock84/headcount/schedule-development-and-analysis@git:20260916.e72e404

Pins git:20260916.e72e404 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
cbrock84/headcount
Path
plugins/pmo/skills/schedule-development-and-analysis/SKILL.md
Versions recorded
2
Latest version
git:20260916.e72e404, committed Sep 16, 2026
First version recorded
Sep 1, 2026
Size
5,020 bytes
Repository stars
2,543
License
MIT

Builds and interrogates a project schedule — logic-driven sequencing, dependency types and lags, float and the critical path, resource loading and leveling, schedule risk analysis, and measuring progress against a baseline rather than against optimism. Use this to construct a schedule, audit one you have inherited, find out why a plan keeps slipping, work out what a date change actually costs, or judge whether a reported percentage complete means anything.

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

# Schedule development and analysis

A schedule is a model of how work connects. Most schedules in circulation are a list of dates
someone typed, which looks the same in a status deck and behaves completely differently when
anything moves.

## Build it from logic, not from dates

Every task except the first and last should be connected to something. A task with a date and no
predecessor is an assertion; a task with a predecessor is a plan, because when the predecessor
moves the task moves with it and the schedule tells you so.

- **Finish-to-start** is the default and covers most real dependencies.
- **Start-to-start and finish-to-finish** describe overlapping work honestly and are worth using
  rather than faking the overlap with an earlier date.
- **Lags** should represent something real — curing time, a notice period, a review window. A lag
  used to make dates line up is a hidden assumption.

**Hard-coded date constraints are where schedules go to die.** Each one severs the logic at that
point, so slippage upstream stops propagating and the schedule keeps reporting a date it can no
longer support.

## Float is the information, and the critical path is the consequence
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add cbrock84/headcount/schedule-development-and-analysis@sha256:d13e915bd78da16f

The line at the top of this page pins the label git:20260916.e72e404, 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_i46agi7uvxwnhwec.svg)](https://markdownregistry.com/a/art_i46agi7uvxwnhwec)

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

Versions

The registry has recorded 2 versions of this file, between Sep 1, 2026 and Sep 16, 2026, about one every 15 days.

versioncommittedcommitsizeaudit
git:20260916.e72e404 latest2026-09-16 e72e404 5,020 BA view · diff
git:20260901.2cd102d2026-09-01 2cd102d 4,681 BA 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 (5020 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

cbrock84/headcount · 2,543 stars · license MIT · pushed 2026-10-18 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_i46agi7uvxwnhwec
GET https://markdownregistry.com/api/v1/resolve?ref=cbrock84/headcount/schedule-development-and-analysis
GET https://markdownregistry.com/api/v1/blob/d13e915bd78da16fc877b4934ee11ae115618836e8eb66b866f710ff16a4c612

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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