obt-build

obt-build is a skill for Claude Code from tweakoz/orkid. It costs 78 tokens per session (2,637 once invoked), scanned A, original, MIT.

A Python-based build system for compiling the Orkid project, managing dependencies, and preparing build environments.

In plain words
What is it for?
Use it to answer questions about OBT commands, dependency files, staging directories, Python extension builds, environment variables, and the ork.build repository.
Why use it?
It gives developers project-specific commands and directory conventions for handling builds, dependencies, Python environments, and CMake setup.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter.

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/tweakoz/orkid/obt-build
Any agent
npx skills add tweakoz/orkid --skill obt-build
Clone the repo
git clone --depth 1 https://github.com/tweakoz/orkid

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 obt-build

README.md
[![agentmods](https://agentmods.dev/badge/skills/tweakoz/orkid/obt-build.svg)](https://agentmods.dev/skills/tweakoz/orkid/obt-build)
Your own site
<a href="https://agentmods.dev/skills/tweakoz/orkid/obt-build"><img src="https://agentmods.dev/badge/skills/tweakoz/orkid/obt-build.svg" alt="Measured on agentmods" height="20"></a>
Per session 78 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,637 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 5.1 $0.00078 $0.02637
Opus 5 $0.00039 $0.01319
Sonnet 5 $0.00016 $0.00527
Haiku 4.5 $0.00008 $0.00264

Measured 4d ago against content hash 80545bbfc156, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

obt-build 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/skills/obt-build/SKILL.md · 278 lines

How it starts

The opening of the file, as written. The whole thing — 278 lines — stays where its author put it; the contents beside it link to each section on GitHub.

OBT Build System Reference

OBT (Orkid Build Tools) is a Python-based build/dependency management system. It lives in the ork.build git repo and is installed as a pip package into a Python venv.

Repository & Installation

Component Path
ork.build repo (source) ../ork.build (relative to orkid workspace)
Installed OBT modules $OBT_VENV_DATA/modules/
OBT Python package $OBT_ORIGINAL_PYTHONPATH/obt/
OBT scripts (bin_pub, always on PATH) $OBT_VENV_DIR/bin/obt.*.py
OBT scripts (bin_priv, staging-only) $OBT_VENV_DATA/bin_priv/

To mirror live changes from ork.build repo to the running installation: manually copy modified files from the repo to the installed location. Do NOT use pip install -e . — it has caused issues and risks breaking the twine/PyPI deployment path that others depend on.

# Example: after editing modules/dep/pydefaults.py in ork.build repo
cp /path/to/ork.build/modules/dep/pydefaults.py $OBT_VENV_DIR/obt/modules/dep/pydefaults.py
Repo path Installed path
ork.build/modules/dep/*.py $OBT_VENV_DATA/modules/dep/
ork.build/modules/obt/*.py $OBT_ORIGINAL_PYTHONPATH/obt/
ork.build/bin_priv/*.py $OBT_VENV_DATA/bin_priv/
ork.build/bin_pub/*.py $OBT_VENV_DATA/bin_pub/

PyPI deployment is managed via the ork.build repo's setup.py (package name: ork.build). Do NOT break the twine path — many users depend on pip-deployed OBT. CAUTION: a PyPI release reflects the tree it was cut from — pip install --upgrade onto a seat carrying newer hand-mirrored files REGRESSES them (observed 2026-07-29: 0.0.319 reverted a seat's class-routing obt/net/client.py). Check what the release contains before upgrading a patched seat.

Key Files (orkid side)

Component Location
Build Script obt.project/bin/ork.build.py
Root CMake CMakeLists.txt
Orkid CMake Macros orkid.cmake
Core CMake ork.core/CMakeLists.txt
Lev2 CMake ork.lev2/CMakeLists.txt
ECS CMake ork.ecs/CMakeLists.txt
Core Pyext CMake ork.core/pyext/CMakeLists.txt
Lev2 Pyext CMake ork.lev2/pyext/CMakeLists.txt
Env Init obt.project/scripts/init_env.py (prepends obt.project/bin/ to PATH, making all ork.*.py scripts available)

Read the full file on GitHub · 278 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 · 278 lines · 78 tokens per session scan A 80545bbfc156

Subscribe to this mod's changes

obt-build is a skill published in the GitHub repository tweakoz/orkid (35 stars, last pushed 24d ago), licensed MIT. It adds 78 tokens to every session and 2,637 once invoked, about $0.0004 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 2026-09-01.