cd-validator

An agent that checks generated OpenAPI 3.1 API descriptions against the OpenAPI standard and links each API operation to a source use-case interaction step.

In plain words
What is it for?
Use it to review generated API contracts for valid structure, complete use-case coverage, correct HTTP methods, and traceability to the source requirements.
Why use it?
It helps find missing or incorrectly described API operations, such as an HTTP method that does not match the requested action. It also shows whether every interaction is covered.

Agent

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.

agentmods
npx agentmods add agents/geekatron/jerry/cd-validator
Clone the repo
git clone --depth 1 https://github.com/geekatron/jerry
Per session 95 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 3,911 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown 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 $0.00095 $0.03911
Opus 5 $0.00048 $0.01956
Sonnet 5 $0.00019 $0.00782
Haiku 4.5 $0.00010 $0.00391

Measured 2d ago against content hash 2c078e77d0ad, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

cd-validator 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 2d 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.

skills/contract-design/agents/cd-validator.md · 301 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 2d ago First seen · 301 lines · 95 tokens per session scan A 2c078e77d0ad

Subscribe to this mod's changes

cd-validator is an agent published in the GitHub repository geekatron/jerry (31 stars, last pushed 9d ago), with no licence file. It adds 95 tokens to every session and 3,911 once invoked, about $0.0005 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.

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