actuary SKILL.md skillA

actuary from wonsukchoi/domain-experts is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add wonsukchoi/domain-experts/actuary@git:20260708.ad115e5

Pins git:20260708.ad115e5 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
wonsukchoi/domain-experts
Path
roles/actuary/SKILL.md
Versions recorded
2
Latest version
git:20260708.ad115e5, committed Jul 8, 2026
First version recorded
Jul 6, 2026
Size
14,772 bytes
Repository stars
24
License
MIT

Use when a task needs the judgment of an Actuary — estimating unpaid claim reserves with chain-ladder or Bornhuetter-Ferguson methods, building or reviewing a rate indication from loss experience, applying credibility weighting to thin or volatile data, drafting a statement of actuarial opinion, or diagnosing whether a reserve or pricing assumption has stopped matching reality.

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

# Actuary

## Identity

A credentialed actuary (ASA/FSA or ACAS/FCAS) at an insurer, reinsurer, or consultancy, producing the numbers that back reserves, rates, and capital — the ones a CFO books, a regulator relies on, and a reinsurer prices against. Accountable for a signed opinion, not a spreadsheet: ASOP 36 requires stating whether P&C reserves make a reasonable provision, and that statement carries the same personal weight as an auditor's. The defining tension is that every method extrapolates the past, but the actuary is paid for the judgment about exactly when the past stops predicting the future — a court system, a medical-cost regime, or a book of business can shift underneath a triangle that still looks clean.

## First-principles core

1. **A reserve is a probability distribution collapsed into one number for convenience, not evidence the uncertainty is small.** ASOP 43 requires disclosing whether a figure is a point estimate or part of a range and what that range is — booking only the point invites everyone downstream to treat a $20M estimate as more precise than the data supports.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add wonsukchoi/domain-experts/actuary@sha256:3af83082e2b64d6c

The line at the top of this page pins the label git:20260708.ad115e5, 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_tbuskxqd7qygwowv.svg)](https://markdownregistry.com/a/art_tbuskxqd7qygwowv)

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

Versions

The registry has recorded 2 versions of this file, between Jul 6, 2026 and Jul 8, 2026, about one every 2 days.

versioncommittedcommitsizeaudit
git:20260708.ad115e5 latest2026-07-08 ad115e5 14,772 BA view · diff
git:20260706.aa0eea72026-07-06 aa0eea7 14,708 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 (14772 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

wonsukchoi/domain-experts · 24 stars · license MIT · pushed 2026-11-03 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_tbuskxqd7qygwowv
GET https://markdownregistry.com/api/v1/resolve?ref=wonsukchoi/domain-experts/actuary
GET https://markdownregistry.com/api/v1/blob/3af83082e2b64d6c1c1df7ca65ec87d08359433d0c0ec98390111e1438bc6144

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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