dx-validator

dx-validator is an agent for Claude Code from aself101/agents-and-pipelines. It costs 49 tokens per session (6,877 once invoked), scanned A, original, no licence file.

A user-experience checker for developer tools and code projects. It runs examples from the README, checks error messages and exported functions, and tests what happens during a first use.

In plain words
What is it for?
Use it after code validation and test planning to verify README examples, first-run steps, error quality, and publicly available functionality.
Why use it?
It finds problems a developer may meet even when the code and tests pass. It checks the project from a real user's point of view.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md). Also seen: model in frontmatter.

Good fit Use it after code validation and test planning to verify README examples, first-run steps, error quality, and publicly available functionality.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/aself101/agents-and-pipelines/dx-validator-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.

Clone the repo
git clone --depth 1 https://github.com/aself101/agents-and-pipelines

Made for: Claude Code.

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 dx-validator

README.md
[![agentmods](https://agentmods.dev/badge/agents/aself101/agents-and-pipelines/dx-validator-agent.svg)](https://agentmods.dev/agents/aself101/agents-and-pipelines/dx-validator-agent)
Your own site
<a href="https://agentmods.dev/agents/aself101/agents-and-pipelines/dx-validator-agent"><img src="https://agentmods.dev/badge/agents/aself101/agents-and-pipelines/dx-validator-agent.svg" alt="Measured on agentmods" height="20"></a>
Per session 49 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 6,877 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 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 5.1 $0.00049 $0.06877
Opus 5 $0.00024 $0.03438
Sonnet 5 $0.00010 $0.01375
Haiku 4.5 $0.00005 $0.00688

Measured 7d ago against content hash be3414572de1, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

dx-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 7d 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/dx-validator-agent.md · 735 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. 7d ago First seen · 735 lines · 49 tokens per session scan A be3414572de1

Subscribe to this mod's changes

dx-validator is an agent published in the GitHub repository aself101/agents-and-pipelines (53 stars, last pushed 1mo ago), with no licence file. It adds 49 tokens to every session and 6,877 once invoked, about $0.0002 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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