Agent skill

Add Pipeline

by verl-project in verl-project/verl-omni

Router for adding a diffusion or omni pipeline to verl-omni.

Apache-2.0Auto-check passedAI & LLM Engineering

Install Add Pipeline

skills CLI
$ npx skills add verl-project/verl-omni --skill add-pipeline -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install verl-project/verl-omni add-pipeline --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/verl-project/verl-omni.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/add-pipeline .claude/skills/add-pipeline && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
add-pipeline
GitHub stars
1.2k
Token cost
~1k tokens
SKILL.md length
381 words
Files
1
Skills in repo
7
Repo updated
First seen
Licence
Apache-2.0

At a glance

Router for adding a diffusion or omni pipeline to verl-omni.

  • Works in 5 steps: Classify, on two axes → Find the closest pair to copy → Work the guide's checklist literally → …
  • Integrating a new model
  • SKILL.md covers Step 0 — Classify, on two axes, Step 1 — Find the closest pair…, Step 2 — Work the guide's… and Step 3 — When the run is wrong…, plus 1 more section
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Add Pipeline is an agent skill from verl-project/verl-omni. Router for adding a diffusion or omni pipeline to verl-omni. Classifies the task (new architecture vs new algorithm; policy-gradient vs direct-preference) and points at the authoritative guide under docs/contributing/. Use when integrating a new model, or a new model+algorithm pair such as flow-GRPO / DPO / NFT / DanceGRPO.

Its SKILL.md is about 1k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in AI & LLM Engineering, covering Fine-tuning, Reinforcement learning and Diffusion and image models. The repository describes itself as: Multimodal RL training framework for diffusion & omni models. The licence is Apache-2.0.

When your agent uses it

  • Integrating a new model
  • A new model+algorithm pair such as flow-GRPO / DPO / NFT / DanceGRPO

Example prompts

  • “/add-pipeline”

Workflow steps

5 steps, taken from the step headings in SKILL.md.

  1. Classify, on two axes
  2. Find the closest pair to copy
  3. Work the guide's checklist literally
  4. When the run is wrong rather than broken
  5. Test, then open the PR

What it can do on your machine

Read from SKILL.md and the folder at commit 022b110. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are bash).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Add Pipeline loads about 1k tokens when it runs. Until then it costs about 85 tokens; SKILL.md has 381 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~85
When it runs · the whole SKILL.md, loaded when a task matches
~1k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from verl-project/verl-omni at commit 022b110, republished under its Apache-2.0 licence (© verl-project). 381 words, ~1,007 tokens.

Download SKILL.mdSave it as .claude/skills/add-pipeline/SKILL.md (or your agent's skills folder).
name
add-pipeline
description
Router for adding a diffusion or omni pipeline to verl-omni. Classifies the task (new architecture vs new algorithm; policy-gradient vs direct-preference) and points at the authoritative guide under docs/contributing/. Use when integrating a new model, or a new model+algorithm pair such as flow-GRPO / DPO / NFT / DanceGRPO.

Add a Pipeline

docs/contributing/ owns the steps and the final checklist for every case below. This skill routes you to the right guide and adds only what those guides leave out. Open the guide — do not work from a remembered procedure.

Step 0 — Classify, on two axes

Architecture and algorithm integration are orthogonal: one algorithm reaches any number of architectures through the adapter pair, and vice versa.

Adding an algorithm?

Trains fromFamilyGuide
reverse-trajectory logprob ratios + advantages (FlowGRPO, MixGRPO, DanceGRPO)policy gradientintegrating_a_new_policy_gradient_algorithm_for_diffusion_model.md
final samples, rewards, or chosen/rejected pairs (offline DPO, DiffusionNFT)direct preferenceintegrating_a_new_direct_preference_algorithm_for_diffusion_model.md

Read ## Classify the Algorithm First at the top of the direct-preference guide even if you land on the policy-gradient one: it also splits offline vs online and maps each family to its trainer (PolicyGradientRayTrainer / DirectPreferenceRayTrainer) and FSDP engine. That decides algorithm.trainer_type and algorithm.sample_source, which nothing else in the repo infers for you.

Adding an architecture?

ModelGuide
diffusers text-to-imageintegrating_a_diffusion_model.md — read first, the rest extend it
diffusers image-edit / I2Iintegrating_an_i2i_diffusion_model.md
a nn.Module that diffusers cannot loadintegrating_a_non_diffusers_model.md
multimodal autoregressive (omni)integrating_an_omni_model.md
step execution on an adapter that already worksintegrating_a_stepwise_continuous_batching_model.md

Both at once? Architecture first — an algorithm can only be paired with an adapter that already exists.

Step 1 — Find the closest pair to copy

List the live registry rather than guessing at a template:

bash
grep -rhoE '@[A-Za-z]+\.register\([^)]*\)' verl_omni/pipelines/*/[dv]*.py | sort -u

DiffusionModelBase rows are training adapters, VllmOmniPipelineBase rows are rollout adapters; a pair with no rollout row reuses another package's pipeline. Copy the closest package, then share rather than fork (code-style).

Show full SKILL.md (177 more words)Show less

Step 2 — Work the guide's checklist literally

Every guide but the omni one ends in a - [ ] checklist (the omni guide ends in its own ## Common pitfalls instead). Work it item by item; between them the checklists cover what is most often missed: the star-import in verl_omni/pipelines/__init__.py (without it the adapter is invisible and nothing errors at import time), mirroring a new pipeline config field in both diffusion_rollout.yaml and diffusion_model.yaml, and wiring a smoke test into tests/gpu_smoke/.

Step 3 — When the run is wrong rather than broken

docs/contributing/common_pitfalls.md is symptom-first: fp32 latent/scheduler precision loss, RoPE sequence-length mismatch, per-request vs per-GPU SDE seeding. Check it before debugging a reward curve that trains but diverges from diffusers.

Step 4 — Test, then open the PR

Adapter-boundary CPU tests: run-cpu-tests. Title, trailers, duplicate-work checks: commit-and-pr.

<!--
MAINTAINER GUIDE — this file must stay a router. If you catch yourself restating a
guide's steps here, edit the guide instead. Update the tables when a guide is
added, renamed, or changes scope. Also add or update the matching link in
CONTRIBUTING.md (and the Developer Guide toctree).
-->

© verl-project, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in .agents/skills/add-pipeline of verl-project/verl-omni.

Open the folder on GitHubat commit 022b110

Compare with similar skills

Add Pipeline next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Add Pipeline compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Add Pipeline this skillverl-project/verl-omni1.2k—~1kAutomated safety check: PassApache-2.0
Tinkersundial-org/skills153—~1.2kAutomated safety check: PassNone
Train RlOpenPipe/ART11k—~2.4kAutomated safety check: PassApache-2.0
Qwopus27b Rl TrainingR6410418/Jackrong-llm-finetuning-guide1.7k—~830Automated safety check: PassApache-2.0
Fine Tuning With TrlOrchestra-Research/AI-Research-SKILLs13k6 repos~2.9kAutomated safety check: PassMIT
Optim AgentOptim-Agent/optim-agent801—~1.3kAutomated safety check: PassMIT

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Questions about Add Pipeline

What does Add Pipeline do?

Router for adding a diffusion or omni pipeline to verl-omni. Add Pipeline is an agent skill from verl-project/verl-omni. Router for adding a diffusion or omni pipeline to verl-omni.

When should I use Add Pipeline?

Add Pipeline fits situations like: integrating a new model; A new model+algorithm pair such as flow-GRPO / DPO / NFT / DanceGRPO.

How do I install Add Pipeline in Claude Code?

Run `npx skills add verl-project/verl-omni --skill add-pipeline -a claude-code`. Or copy the skill folder (.agents/skills/add-pipeline in verl-project/verl-omni) into .claude/skills/add-pipeline in your project. Claude Code loads it when a task matches its description.

How do I install Add Pipeline in Codex?

Run `npx skills add verl-project/verl-omni --skill add-pipeline -a codex`. Or copy the skill folder (.agents/skills/add-pipeline in verl-project/verl-omni) into .agents/skills/add-pipeline in your project. Codex loads it when a task matches its description.

Can I use Add Pipeline in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add verl-project/verl-omni --skill add-pipeline -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/add-pipeline, .gemini/skills/add-pipeline, .github/skills/add-pipeline and .opencode/skills/add-pipeline in your project.

What does Add Pipeline need to run?

SKILL.md names no scripts, command-line tools or credentials: Add Pipeline is instructions for the agent only.

Does Add Pipeline access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Add Pipeline safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Add Pipeline use?

Add Pipeline is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Add Pipeline use?

About 1k tokens (SKILL.md is roughly 4k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Add Pipeline?

Skills that share tags, products or a category with Add Pipeline: Tinker (sundial-org/skills, 153 stars), Train Rl (OpenPipe/ART, 11k stars), Qwopus27b Rl Training (R6410418/Jackrong-llm-finetuning-guide, 1.7k stars) and Fine Tuning With Trl (Orchestra-Research/AI-Research-SKILLs, 13k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Add Pipeline?

verl-project (a GitHub organization) maintains it in verl-project/verl-omni, which has 1,210 GitHub stars. The repository holds 7 skills in this directory. The repository was last updated on October 9, 2026.

Source: verl-project/verl-omni on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.