tsk-config

A guide for configuring tsk Docker containers, which are isolated environments for running development tasks, including their project and technology-stack settings.

In plain words
What is it for?
Use it to detect or define a project stack, customize tsk.toml, configure project layers, or troubleshoot tsk container images.
Why use it?
It helps resolve container build problems and keeps Docker settings aligned with the project's programming language and structure.

Skill for Claude CodeCodex

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 skills/dtormoen/tsk-tsk/tsk-config
Any agent
npx skills add dtormoen/tsk-tsk --skill tsk-config
Clone the repo
git clone --depth 1 https://github.com/dtormoen/tsk-tsk

Made for: Claude Code, Codex.

Per session 46 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,852 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 2 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 $0.00046 $0.02852
Opus 5 $0.00023 $0.01426
Sonnet 5 $0.00009 $0.00570
Haiku 4.5 $0.00005 $0.00285

Measured yesterday against content hash afad85288ecc, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade B, and why

tsk-config scanned grade B with 2 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 yesterday.

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.

Asks for rootmediumPrivilege escalation

A mod that escalates privileges can change anything on the machine, not only the project.

# Enable passwordless sudo inside containers

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

Every container includes: Ubuntu 25.10, git, git-lfs, build-essential, curl, jq, just, ripgrep, sudo, Python 3, uv, podman (for DIND), and an `agent` user (UID 1000).
skills/tsk-config/skills/tsk-config/SKILL.md · 324 lines

How it starts

The opening of the file, as written. The whole thing — 324 lines — stays where its author put it; the contents beside it link to each section on GitHub.

tsk Docker Configuration Guide

You are helping a user configure tsk Docker container images for their project. Follow these steps in order.

Step 1: Gather Project Information

Detect the project's technology stack by checking for these files in the project root. These are tsk's built-in stacks with auto-detection — custom stacks for any language can be defined via stack_config in tsk.toml (covered in Step 5).

File Stack
Cargo.toml rust
go.mod go
package.json node
pyproject.toml, requirements.txt, setup.py python
pom.xml, build.gradle, build.gradle.kts java
rockspec, .luacheckrc, init.lua lua
None of the above default

Also determine the project name from the current directory name.

Tell the user what you detected and ask them to confirm or override. If their stack isn't listed above, let them know they can define a custom stack.

Step 2: Check for Deprecated Dockerfiles

Check if .tsk/dockerfiles/ exists. If it does, warn the user:

Deprecated: tsk no longer supports filesystem-based dockerfiles in .tsk/dockerfiles/. Docker customization is now done via setup fields in tsk.toml. This guide will help you migrate to the new format.

List any files found in .tsk/dockerfiles/ and note their contents — you will use them to populate the new config.

Step 3: Choose Configuration Location

Ask the user where to put the configuration:

  • Project-level (.tsk/tsk.toml): Checked into version control, shared with the team. Best for project-specific dependencies that all contributors need.
  • User-level (~/.config/tsk/tsk.toml): Personal settings, not shared. Best for machine-specific paths, personal preferences, or settings across multiple projects.

If the user picks user-level, config goes under [project.<project-name>] in ~/.config/tsk/tsk.toml. If project-level, config goes at the top level of .tsk/tsk.toml.

Step 4: View the Current Docker Build

Read the full file on GitHub · 324 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. yesterday First seen · 324 lines · 46 tokens per session scan B afad85288ecc

Subscribe to this mod's changes

tsk-config is a skill published in the GitHub repository dtormoen/tsk-tsk (170 stars, last pushed 1mo ago), licensed MIT. It adds 46 tokens to every session and 2,852 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it B with 2 findings (asks for root, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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