okhp3-gpt-skill-conversion-plan

okhp3-gpt-skill-conversion-plan is a skill for Claude Code, Codex from OKHP3/skillz. It costs 77 tokens per session (1,368 once invoked), scanned A, original, MIT.

A planning guide for converting a configured Custom GPT into a portable Agent Skill, including its instructions, files, actions, examples, and tests.

In plain words
What is it for?
Use it to inventory the source GPT, map its capabilities, design the skill boundary, track missing or partial items, plan migration, and hand off to skill authoring and testing.
Why use it?
It shows which GPT behaviors can transfer, which may be lost, and which platform assumptions must be checked instead of claiming unverified parity.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

Good fit Use it to inventory the source GPT, map its capabilities, design the skill boundary, track missing or partial items, plan migration, and hand off to skill authoring and testing.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/okhp3/skillz/okhp3-gpt-skill-conversion-plan
View source ↗ OKHP3/skillz
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 OKHP3/skillz --skill okhp3-gpt-skill-conversion-plan
Clone the repo
git clone --depth 1 https://github.com/OKHP3/skillz

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 okhp3-gpt-skill-conversion-plan

README.md
[![agentmods](https://agentmods.dev/badge/skills/okhp3/skillz/okhp3-gpt-skill-conversion-plan/github.svg)](https://agentmods.dev/skills/okhp3/skillz/okhp3-gpt-skill-conversion-plan)
Your own site
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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.

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Your own site · 80×15
<a href="https://agentmods.dev/skills/okhp3/skillz/okhp3-gpt-skill-conversion-plan"><img src="https://agentmods.dev/badge/skills/okhp3/skillz/okhp3-gpt-skill-conversion-plan.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 77 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,368 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 $0.00077 $0.01368
Opus 5 $0.00039 $0.00684
Sonnet 5 $0.00015 $0.00274
Haiku 4.5 $0.00008 $0.00137

Measured 10d ago against content hash 0467eae26572, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

okhp3-gpt-skill-conversion-plan 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 10d 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.

.agents/skills/okhp3-gpt-skill-conversion-plan/SKILL.md · 84 lines

How it starts

The opening of the file, as written. The whole thing — 84 lines — stays where its author put it; the contents beside it link to each section on GitHub.

okhp3-gpt-skill-conversion-plan

OverKill Hill P³ · overkillhill.com · github.com/OKHP3

Convert a configured GPT into a durable, runtime-portable skill plan without pretending that GPT configuration and Agent Skill instructions are equivalent. This skill plans and audits the conversion; okhp3-skill-foundry authors and benchmarks the final SKILL.md.

Scope

In scope Out of scope
Asset inventory, capability mapping, boundary design, portability analysis, semantic-loss tracking, migration sequencing, and Foundry handoff Exporting private platform data, bypassing permissions, writing production integrations, or claiming feature parity without verification

Conversion method

  1. Collect the source package. Inventory GPT name and purpose, instructions, knowledge files, actions/apps, starters, examples, eval prompts, user feedback, platform assumptions, version history, and any prompt-chain stages with their outputs. Mark each item available, partial, missing, or unverified and label its claim class.
  2. Map semantics, not wording. For each source behavior record its skill equivalent: trigger description, imperative procedure, reference, script, output contract, safety rule, or unresolved platform dependency. Convert a useful chain stage into a named procedure with inputs, observable exit criteria, and a recovery path. Preserve intent while removing UI-only language. Treat a claimed behavior as unproven until an example, preview result, or evaluation demonstrates it.
  3. Separate portable from platform-bound behavior. Keep reasoning patterns, schemas, rubrics, and public references in the skill. Isolate Builder toggles, ChatGPT-only UI, proprietary connectors, credentials, and undocumented model behavior as adapters or explicit exclusions.
  4. Detect semantic loss. Identify capabilities that cannot transfer cleanly: retrieval ranking, hidden system behavior, tool auth, connector permissions, conversation memory, model-specific formatting, and publishing controls. For each, state impact and a mitigation or acceptance test.
  5. Design the skill boundary. Define trigger phrases, in-scope and out-of-scope work, required inputs, outputs, escalation rules, references, scripts, assets, and version ownership. Avoid cloning an entire GPT when a smaller composable skill is more reliable. Record how the source hierarchy, tool policy, and failure handling will survive the move.
  6. Create a migration backlog. Order work as preserve, rewrite, externalize, replace, verify, or drop. Assign acceptance criteria and dependencies. Never carry secrets or private data into a public skill.
  7. Plan Foundry validation. Propose exactly three distinct eval cases with four evidence-anchored expectations each. Include one semantic-preservation case, one platform-bound loss or adapter case, and one boundary or safety case when applicable. The Foundry should later run with-skill and without-skill comparisons, grade evidence, compute the delta, and iterate.
  8. Issue a disposition: ready_for_foundry, needs_source_artifacts, partial_port, not_a_skill, or blocked_by_permissions. Explain what must happen next.

Read the full file on GitHub · 84 lines

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 10d ago First seen · 84 lines · 77 tokens per session scan A 0467eae26572

Subscribe to this mod's changes

okhp3-gpt-skill-conversion-plan is a skill published in the GitHub repository OKHP3/skillz (3 stars, last pushed yesterday), licensed MIT. It adds 77 tokens to every session and 1,368 once invoked, about $0.0004 per session on Opus 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 2026-08-31.