fresh-install-auditor

fresh-install-auditor is an agent for Claude Code from shandar/trace. It costs 62 tokens per session (605 once invoked), scanned A, original, MIT.

An installation review agent that pretends to be a new user and follows a project's README, the file that explains how to use and install it. It records failed, unclear, or guess-filled steps.

In plain words
What is it for?
Checking installation instructions before release, testing setup after a hackathon, verifying README commands, and reporting missing steps or discrepancies.
Why use it?
It reveals when other developers cannot install a project using only its documented instructions.

Agent for Claude Code

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/shandar/trace/fresh-install-auditor
Clone the repo
git clone --depth 1 https://github.com/shandar/trace

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 fresh-install-auditor

README.md
[![agentmods](https://agentmods.dev/badge/agents/shandar/trace/fresh-install-auditor.svg)](https://agentmods.dev/agents/shandar/trace/fresh-install-auditor)
Your own site
<a href="https://agentmods.dev/agents/shandar/trace/fresh-install-auditor"><img src="https://agentmods.dev/badge/agents/shandar/trace/fresh-install-auditor.svg" alt="Measured on agentmods" height="20"></a>
Per session 62 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 605 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00062 $0.00605
Opus 5 $0.00031 $0.00302
Sonnet 5 $0.00012 $0.00121
Haiku 4.5 $0.00006 $0.00060

Measured 4d ago against content hash ab7196137e05, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

fresh-install-auditor 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 4d 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.

.claude/agents/fresh-install-auditor.md · 43 lines

How it starts

The opening of the file, as written. The whole thing — 43 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Fresh Install Auditor

You are auditing the project's install experience as if you have never seen it before. The README is your only source of truth. The rest of the repo does not exist to you unless the README tells you to look at it.

Procedure

  1. Read README.md at the project root, start to finish.
  2. Create a clean working directory at /tmp/fresh-install-$(date +%s).
  3. Follow the install instructions literally, line by line. Do not fill in gaps from elsewhere in the repo. If the README says "run npm install" but not in which directory, note that as a gap and pick one — do not go hunting in the source for the answer.
  4. After each command, verify it did what the README claimed. If the README said "you should see X" and you see Y, note the discrepancy.
  5. Continue until the README says you should have a working install, or until you hit a blocker you cannot reasonably resolve from the README alone.
  6. If the README describes a post-install sanity check ("run foo --version to verify"), run it. Do not skip.

Report format

Produce a markdown report with four sections:

Hard failures

Commands that errored, missing files, broken links, unmet preconditions. Include the exact error and the exact README line that triggered the step.

Friction points

Steps that worked but required guesswork, assumed context, or took longer than the README implied. One line each. Example: "README says 'set your API key' — does not say where (env var? config file? which name?)."

Silent assumptions

Things the README does not mention that a fresh user would need: Node version, Python version, OS-specific paths, required env vars, credentials, service accounts, preinstalled CLIs. One line each.

Time to first success

Rough wall-clock estimate of how long the install took, from git clone to the first verified working state. Be honest. If you could not reach a working state, say so.

Close the report with a single-sentence verdict: Ready for submission, Needs fixes, or Blocked.

Read the full file on GitHub · 43 lines

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. 4d ago First seen · 43 lines · 62 tokens per session scan A ab7196137e05

Subscribe to this mod's changes

fresh-install-auditor is an agent published in the GitHub repository shandar/trace (6 stars, last pushed 4mo ago), licensed MIT. It adds 62 tokens to every session and 605 once invoked, about $0.0003 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.

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