regen-schema

regen-schema is a skill for Claude Code, Codex from Chemaclass/agnostic-ai. It costs 24 tokens per session (199 once invoked), scanned A, original, MIT.

A procedure for regenerating a JSON Schema, a machine-readable description of valid configuration data, from Go configuration structs.

In plain words
What is it for?
Use it after changing configuration structs or their YAML, JSON, or version tags, then review the generated schema diff.
Why use it?
It keeps the published schema aligned with renamed, added, removed, or retagged configuration fields.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it after changing configuration structs or their YAML, JSON, or version tags, then review the generated schema diff.

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Install with agentmods
npx agentmods add skills/chemaclass/agnostic-ai/regen-schema
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 Chemaclass/agnostic-ai --skill regen-schema
Clone the repo
git clone --depth 1 https://github.com/Chemaclass/agnostic-ai

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 regen-schema

README.md
[![agentmods](https://agentmods.dev/badge/skills/chemaclass/agnostic-ai/regen-schema/github.svg)](https://agentmods.dev/skills/chemaclass/agnostic-ai/regen-schema)
Your own site
<a href="https://agentmods.dev/skills/chemaclass/agnostic-ai/regen-schema"><img src="https://agentmods.dev/badge/skills/chemaclass/agnostic-ai/regen-schema/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 regen-schema

Your own site · 80×15
<a href="https://agentmods.dev/skills/chemaclass/agnostic-ai/regen-schema"><img src="https://agentmods.dev/badge/skills/chemaclass/agnostic-ai/regen-schema.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 24 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 199 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 $0.00024 $0.00199
Opus 5 $0.00012 $0.00100
Sonnet 5 $0.00005 $0.00040
Haiku 4.5 $0.00002 $0.00020

Measured 10d ago against content hash 0fa47b419b4f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

regen-schema 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.

.agnostic-ai/skills/regen-schema/SKILL.md · 25 lines

What it actually says

regen-schema

The JSON Schema published at docs/schemas/config.schema.json is reflected from the config.Config Go struct.

When to run

Any of:

  • Added, removed, or renamed a field on config.Config, config.Output, config.Sources, or config.Gitignore.
  • Changed a struct tag (yaml: or json:) on those types.
  • Bumped the schema version.

Steps

  1. go run ./cmd/schemagen from the repo root.
  2. git diff docs/schemas/config.schema.json to confirm the change is what you intended.
  3. Commit the regenerated schema alongside the struct change. CI's Schema drift job fails if they land separately.

Never hand-edit the schema file. The next regen overwrites it.

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 · 25 lines · 24 tokens per session scan A 0fa47b419b4f

Subscribe to this mod's changes

regen-schema is a skill published in the GitHub repository Chemaclass/agnostic-ai (12 stars, last pushed today), licensed MIT. It adds 24 tokens to every session and 199 once invoked, about $0.0001 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 2026-08-30.