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adding-skill-program SKILL.md skillB

adding-skill-program from posthog/wizard is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned

mdr add posthog/wizard/adding-skill-program@v4.0.1

Pins v4.0.1 in mdr.lock. Pin the fingerprint instead.

Audit grade: B, 16 of 17 checks passed
Kind: SKILL.md skill
Repository: posthog/wizard
Path: .claude/skills/adding-skill-program/SKILL.md
Versions recorded: 9
Latest version: v4.0.1, committed Oct 22, 2026
First version recorded: May 25, 2026
Size: 10,514 bytes
Repository stars: 201
License: MIT

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

# Adding a Skill-Based Program

Read [wizard-development](../wizard-development/SKILL.md) for the shared design
policy. Use Pi for new agent work and prefer an orchestrator flow. Linear runs
are for very simple work and existing flows. The Anthropic SDK remains a
supported legacy fallback, deprecated as the default for new work; the shared
guide owns the fallback criteria and gateway model/effort/system-prompt
contract.

These are contribution defaults. A program whose config sets no `binding` runs
on [DEFAULT_BINDING](../../../src/agent/runner/switchboard/index.ts), Pi and
linear.

## Choose the contribution surface

- **Content-only capability:** use the existing skill command machinery when it
  can express the workflow.
  [Context-mill](https://github.com/PostHog/context-mill) owns skill content and
  `cliEntries`. A new skill-backed child of an existing family ships through
  context-mill; inspect
  [family dispatch](../../../src/cli/commands/dispatch-family.ts). Unpromoted
  skills run through [the skill command](../../../src/cli/commands/skill.ts).
- **Native program:** use a
  [ProgramConfig](../../../src/programs/program-contract/program-step.ts) when the wizard
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint

mdr add posthog/wizard/adding-skill-program@sha256:d4e7b308c0dc514c

The line at the top of this page pins the label v4.0.1, 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_gq7hnhib5ua2qx6u.svg)](https://markdownregistry.com/a/art_gq7hnhib5ua2qx6u)

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

Versions

The registry has recorded 9 versions of this file, between May 25, 2026 and Oct 22, 2026, about one every 19 days. Its first recorded version is graded A and its latest B.

version	committed	commit	size	audit
v4.0.1 latest	2026-10-22	49ad13a	10,514 B	B	view · diff
v4.0.1	2026-10-22	fef6747	10,465 B	B	view · diff
v4.0.1	2026-10-05	c1209e0	10,400 B	B	view · diff
v3.0	2026-09-29	91c5ab7	7,355 B	B	view · diff
v3.0	2026-09-25	93ee3fb	7,353 B	B	view · diff
v3.0	2026-09-23	8af055b	7,400 B	B	view · diff
v3.0	2026-09-15	632b80a	7,420 B	B	view · diff
v3.0	2026-09-09	f697d53	7,204 B	B	view · diff
v2.0	2026-05-25	377d075	7,669 B	A	view

Audit of the latest version

B 16 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.

fail: Frontmatter declares a description
pass: Frontmatter block present
pass: Frontmatter declares a name
pass: Size between 200 bytes and 200 KB (10514 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

Starting a new one? Use a template for SKILL.md on mdpantry, which passes every one of these checks and says what to change in it.

Source

GitHub

posthog/wizard · 201 stars · license MIT · pushed 2026-11-07 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_gq7hnhib5ua2qx6u
GET https://markdownregistry.com/api/v1/resolve?ref=posthog/wizard/adding-skill-program
GET https://markdownregistry.com/api/v1/blob/d4e7b308c0dc514cf4f5d486a624839a9cf36fd41f7f0603d29b094581fc84f0

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.