hydraflow: Skill for Claude Code

.codex/skills/hf.track-exploration/SKILL.md

hf.track-exploration is a skill for Claude Code, Codex from T-rav/hydraflow. It costs 11 tokens per session (141 once invoked), scanned A, original, Apache-2.0.

A small tracking hook that records when an agent has explored project files using reading or search tools. A hook is an automatic check that runs when a specified action occurs.

In plain words
What is it for?
Use it in workflows that require file exploration before editing and need to record that the exploration happened.
Why use it?
It gives other checks evidence that the codebase was inspected before changes are made.

Skill for Claude CodeCodex

Written for Claude Code and Codex: ${CLAUDE_PROJECT_DIR variable, but also installed under .codex/.

This is T-rav/hydraflow's own configuration. It tells Claude Code and Codex how to work on hydraflow 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 hydraflow configures →

Reuse

Borrowing it

Nothing to install: this file belongs to T-rav/hydraflow. 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/T-rav/hydraflow/staging/.codex/skills/hf.track-exploration/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/T-rav/hydraflow

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 hf.track-exploration

README.md
[![agentmods](https://agentmods.dev/badge/skills/t-rav/hydraflow/hf.track-exploration.svg)](https://agentmods.dev/skills/t-rav/hydraflow/hf.track-exploration)
Your own site
<a href="https://agentmods.dev/skills/t-rav/hydraflow/hf.track-exploration"><img src="https://agentmods.dev/badge/skills/t-rav/hydraflow/hf.track-exploration.svg" alt="Measured on agentmods" height="20"></a>
Per session 11 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 141 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 $0.00011 $0.00141
Opus 5 $0.00005 $0.00071
Sonnet 5 $0.00002 $0.00028
Haiku 4.5 $0.00001 $0.00014

Measured 8d ago against content hash 1db09bb75e07, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

hf.track-exploration 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 8d 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.

.codex/skills/hf.track-exploration/SKILL.md · 21 lines

What it actually says

hf.track-exploration

#!/bin/bash
# Hook: Track that code exploration (Read/Grep) has occurred in this session.
# Fires on PostToolUse for Read and Grep tools.
# Touches a marker file so the edit guard can verify exploration happened.

set -euo pipefail

PROJECT_DIR="${CLAUDE_PROJECT_DIR:-$(pwd)}"
MARKER_DIR="/tmp/claude-code-markers/$(echo -n "$PROJECT_DIR" | md5)"
mkdir -p "$MARKER_DIR"
touch "$MARKER_DIR/explored"
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. 8d ago First seen · 21 lines · 11 tokens per session scan A 1db09bb75e07

Subscribe to this mod's changes

hf.track-exploration is a skill published in the GitHub repository T-rav/hydraflow (5 stars, last pushed 3d ago), licensed Apache-2.0. It adds 11 tokens to every session and 141 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 2026-08-31.

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