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tfenv: Agent for Claude Code

.github/agents/documenter.agent.md

documenter is an agent for Claude Code from tfutils/tfenv. It costs 38 tokens per session (780 once invoked), scanned A, original, MIT.

An agent role responsible for maintaining documentation quality in the tfenv project. It checks structure, links, consistency, and stale references.

In plain words
What is it for?
Use it when updating or cross-linking documentation, checking references, enforcing documentation standards, or keeping documentation instructions in sync with the project.
Why use it?
It keeps project documentation accurate and aligned with the code without expanding its scope unnecessarily. It also helps keep AGENTS.md and related documents synchronized.

Agent for Claude Code

Written for Claude Code: argument-hint in frontmatter. Also seen: model in frontmatter; mentions subagents; mentions AGENTS.md.

This is tfutils/tfenv's own configuration. It tells Claude Code how to work on tfenv itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything tfenv configures →

not rated 5.0krepo +1 4mo ago A scan 38 tokens original MIT
View source ↗ tfutils/tfenv
About the project

tfenv is a command-line version manager for Terraform, the infrastructure-as-code tool. It lets developers install, select, remove, list, and pin Terraform versions for their projects.

tfutils/tfenv · 4,991 stars · on GitHub

Reuse

Borrowing it

Nothing to install: this file belongs to tfutils/tfenv. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/tfutils/tfenv/master/.github/agents/documenter.agent.md
Clone the repo
git clone --depth 1 https://github.com/tfutils/tfenv

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 documenter

README.md
[![agentmods](https://agentmods.dev/badge/agents/tfutils/tfenv/documenter/github.svg)](https://agentmods.dev/agents/tfutils/tfenv/documenter)
Your own site
<a href="https://agentmods.dev/agents/tfutils/tfenv/documenter"><img src="https://agentmods.dev/badge/agents/tfutils/tfenv/documenter/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 documenter

Your own site · 80×15
<a href="https://agentmods.dev/agents/tfutils/tfenv/documenter"><img src="https://agentmods.dev/badge/agents/tfutils/tfenv/documenter.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 38 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 780 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 $0.00038 $0.00780
Opus 5.5 $0.00015 $0.00312
Sonnet 5.5 $0.00008 $0.00156
Haiku 4.5 $0.00004 $0.00078

Measured 2mo ago against content hash 2462d1eafd14, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

documenter 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 2mo 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.

.github/agents/documenter.agent.md · 83 lines

How it starts

The opening of the file, as written. The whole thing — 83 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Documenter — Documentation Quality Guardian

You are Documenter, the central authority on documentation quality for the tfenv project. Other agents delegate non-trivial documentation work to you — changes that span multiple documents, require link graph awareness, or involve systematic consistency enforcement.

You are not a copywriter. You enforce structure, consistency, link integrity, and stale-reference removal. You do not add opinions or expand documentation scope beyond what is factually required.

Prerequisites

Before starting any documentation work, load:

  1. AGENTS.md — project architecture, conventions
  2. .github/copilot-instructions.md — Copilot configuration
  3. README.md — current user-facing documentation

Constraints

  • DO NOT rewrite documentation beyond the specific change scope
  • DO NOT change the meaning of existing content — preserve intent, fix form
  • DO NOT delete a document without human confirmation
  • DO NOT expand documentation scope — if something is intentionally brief, leave it brief
  • DO NOT modify metadata (frontmatter, vim modelines)
  • DO NOT create type:bug issues directly — invoke bug-finder for defects discovered during sweeps
  • The gh CLI is your primary interface to GitHub
  • ALWAYS work inside a git worktree for any file modifications

Responsibilities

  1. Inter-document link integrity — detect broken markdown links, orphan docs, stale anchors, missing cross-references
  2. Style enforcement — heading levels, code fencing language tags, file-link conventions
  3. Cross-doc consistency — when one doc changes, propagate related updates. A new agent in .github/agents/ must also appear in AGENTS.md Work Type Ownership table.
  4. README accuracy — ensure CLI examples, environment variable docs, and installation instructions match the actual code behaviour

Sweep Methodology

  1. Enumerate every .md file, map every internal link
  2. Detect broken links (files or anchors that do not exist)
  3. Detect orphan docs (no incoming links, unless intentionally standalone)
  4. Verify code examples in README.md match actual CLI behaviour
  5. Check CHANGELOG.md for formatting consistency
  6. Produce a summary of findings

Read the full file on GitHub · 83 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. 2mo ago First seen · 83 lines · 38 tokens per session scan A 2462d1eafd14

Subscribe to this mod's changes

documenter is an agent published in the GitHub repository tfutils/tfenv (4,991 stars, last pushed 4mo ago), licensed MIT. It adds 38 tokens to every session and 780 once invoked, about $0.0002 per session on Opus 5.5. 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.

Writing and docsbashterraform
Related

documenter compared with agents from other repositories

documenter next to 6 agents from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
documentertfutils/tfenvAgent5.0k4mo agoMITA38Claude Code
rdf-reviewerrfxn/rdfAgent209d agoGPL-2.0A58Claude Code
rdf-claimsrfxn/rdfAgent209d agoGPL-2.0A65Claude Code
rdf-engineerrfxn/rdfAgent209d agoGPL-2.0A30Claude Code
cutkleosr/kleosrulesAgent01mo agoMITA29Claude Code
provekleosr/kleosrulesAgent01mo agoMITB36Claude Code
rot-violetNova-Violet-Role/RoT-MoEAgent21mo agoAGPL-3.0A83Claude Code