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Guide for updating model pricing in Splitrail. An agent skill from Piebald-AI/splitrail.
MITAuto-check passed
Install Pricing
$ npx skills add Piebald-AI/splitrail --skill pricing -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install Piebald-AI/splitrail pricing --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/Piebald-AI/splitrail.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/pricing .claude/skills/pricing && rm -rf skills-srcUse ~/.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/
Install the "pricing" agent skill from https://github.com/Piebald-AI/splitrail/tree/main/.claude/skills/pricing into .claude/skills/pricing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "pricing", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/Piebald-AI/splitrail/tree/main/.claude/skills/pricingType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add Piebald-AI/splitrail --skill pricing -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install Piebald-AI/splitrail pricing --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Piebald-AI/splitrail.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.claude/skills/pricing .agents/skills/pricing && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "pricing" agent skill from https://github.com/Piebald-AI/splitrail/tree/main/.claude/skills/pricing into .agents/skills/pricing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "pricing", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add Piebald-AI/splitrail --skill pricing -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install Piebald-AI/splitrail pricing --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Piebald-AI/splitrail.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.claude/skills/pricing .cursor/skills/pricing && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "pricing" agent skill from https://github.com/Piebald-AI/splitrail/tree/main/.claude/skills/pricing into .cursor/skills/pricing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "pricing", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/Piebald-AI/splitrail.git --path .claude/skills/pricing--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add Piebald-AI/splitrail --skill pricing -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install Piebald-AI/splitrail pricing --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Piebald-AI/splitrail.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.claude/skills/pricing .gemini/skills/pricing && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "pricing" agent skill from https://github.com/Piebald-AI/splitrail/tree/main/.claude/skills/pricing into .gemini/skills/pricing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "pricing", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install Piebald-AI/splitrail pricingInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add Piebald-AI/splitrail --skill pricing -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/Piebald-AI/splitrail.git skills-src && mkdir -p .github/skills && cp -r skills-src/.claude/skills/pricing .github/skills/pricing && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "pricing" agent skill from https://github.com/Piebald-AI/splitrail/tree/main/.claude/skills/pricing into .github/skills/pricing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "pricing", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add Piebald-AI/splitrail --skill pricing -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install Piebald-AI/splitrail pricing --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Piebald-AI/splitrail.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.claude/skills/pricing .opencode/skills/pricing && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "pricing" agent skill from https://github.com/Piebald-AI/splitrail/tree/main/.claude/skills/pricing into .opencode/skills/pricing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "pricing", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
pricing- GitHub stars
- 223
- Token cost
- ~783 tokens
- SKILL.md length
- 356 words
- Files
- 1
- Skills in repo
- 6
- Repo updated
- First seen
- Licence
- MIT
At a glance
Guide for updating model pricing in Splitrail. An agent skill from Piebald-AI/splitrail.
- Works in 3 steps: Add a ModelInfo entry in… → If the model has aliases (date suffixes,… → Add or update tests in src/models.rs for…
- Adding new AI model costs
- SKILL.md covers Adding a New Model, Dated Pricing Overrides, Price Calculation and Common Pricing Sources
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Pricing is an agent skill from Piebald-AI/splitrail. Guide for updating model pricing in Splitrail. Use when adding new AI model costs or updating existing pricing data.
Its SKILL.md is about 780 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It works with Qwen. The repository describes itself as: Fast, cross-platform, real-time token usage tracker and cost monitor for Claude Code / Codex CLI / Antigravity CLI / Qwen Code / Cline / Zoo Code / Kilo Code / GitHub Copilot /… The licence is MIT.
When your agent uses it
- Adding new AI model costs
- Updating existing pricing data
Example prompts
- “/pricing”
Workflow steps
3 steps, taken from the first numbered list in SKILL.md.
- Add a ModelInfo entry in populate_defaults() with
- If the model has aliases (date suffixes, provider-prefixed names, regional names, etc.), add entries to the alias section mapping each…
- Add or update tests in src/models.rs for canonical pricing, aliases, caching, and estimated/non-estimated status.
What it can do on your machine
Read from SKILL.md and the folder at commit d9cbe50. 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.
From the folder's file list and the shell code blocks in SKILL.md.
Network
Links to these hosts (documentation or services it may open):
anthropic.comopenai.comai.google.dev
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
Pricing loads about 783 tokens when it runs. Until then it costs about 31 tokens; SKILL.md has 356 words of instructions outside code blocks.
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 Piebald-AI/splitrail at commit d9cbe50, republished under its MIT licence (© Piebald-AI). 356 words, ~783 tokens.
Download SKILL.mdSave it as
.claude/skills/pricing/SKILL.md (or your agent's skills folder).- name
- pricing
- description
- Guide for updating model pricing in Splitrail. Use when adding new AI model costs or updating existing pricing data.
Pricing Model Updates
Token pricing is defined in src/models.rs. Built-in models are populated by populate_defaults() into the runtime model registry, and user/config models can be merged with init_external_models().
Adding a New Model
- Add a
ModelInfoentry inpopulate_defaults()with:pricing: UsePricingStructure::Flat { input_per_1m, output_per_1m }for flat-rate models, orPricingStructure::Tieredfor threshold-based pricing.caching: Use the appropriateCachingSupportvariant (None,OpenAI,Anthropic,OpenAIWithWrites, orTiered).service_tiers: Leave empty unless the provider has distinct priority/flex/batch rates.dated_pricing: Leave empty unless pricing changes by usage date.is_estimated: Set totrueonly when pricing is not confirmed by a provider/tool source.input_token_semantics: Auto-derived for built-in models (defaults toExcludesCache); only GPT/o-series models typically needIncludesCacheRead. External model configs should set this explicitly if it affects cache-read counting.
- If the model has aliases (date suffixes, provider-prefixed names, regional names, etc.), add entries to the alias section mapping each observed name to the canonical model name.
- Add or update tests in
src/models.rsfor canonical pricing, aliases, caching, and estimated/non-estimated status.
Show full SKILL.md (189 more words)Show less
Dated Pricing Overrides
Use dated_pricing when a model has temporary promotional pricing, launch pricing, or another time-bounded rate that should apply based on the original usage timestamp.
The default pricing and caching fields should represent the durable/current sticker price. Each DatedPricing override has a valid_until: NaiveDate exclusive end date and applies when usage_date < valid_until. For example, an introductory rate that applies through 2026-08-31 should use valid_until = NaiveDate::from_ymd_opt(2026, 9, 1).expect("valid date").
When adding a dated override:
- Keep the model's default
pricing/cachingat the post-promo or durable rate. - Add the temporary rate with
add_dated_pricing!()afteradd_model!(). - Add boundary tests for the final day of the temporary rate and the first day after it ends.
- Prefer dated calculator functions in analyzers that know the usage timestamp.
Price Calculation
Use models::calculate_total_cost_for_service_tier_at() when an analyzer has a message or event timestamp. This preserves historical costs across dated pricing windows.
Use the undated compatibility helpers, such as models::calculate_total_cost(), only for tests, config-like calculations, or call sites that truly do not know the usage date. Undated helpers use the model's default pricing/caching, not temporary dated overrides.
Common Pricing Sources
© Piebald-AI, MIT. 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 .claude/skills/pricing of Piebald-AI/splitrail.
Open the folder on GitHubat commit d9cbe50
Compare with similar skills
Pricing 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Pricing this skillPiebald-AI/splitrail | 223 | — | ~783 | Automated safety check: Pass | MIT | |
| AI Image Generation and Editingzhayujie/CowAgent | 47k | — | ~1.3k | Automated safety check: Pass | MIT | |
| Agent Feature ReproductionQwenLM/qwen-code | 28k | — | ~1.5k | Automated safety check: Pass | Apache-2.0 | |
| Qwen Code E2E TestingQwenLM/qwen-code | 28k | — | ~2.1k | Automated safety check: Pass | Apache-2.0 | |
| Game Asset Generatorhtdt/godogen | 7.1k | — | ~2.8k | Automated safety check: Pass | MIT | |
| Fix Art IssuesOpenPipe/ART | 11k | — | ~840 | Automated safety check: Notes | Apache-2.0 |
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Questions about Pricing
What does Pricing do?
Guide for updating model pricing in Splitrail. An agent skill from Piebald-AI/splitrail. Pricing is an agent skill from Piebald-AI/splitrail. Guide for updating model pricing in Splitrail.
When should I use Pricing?
Pricing fits situations like: adding new AI model costs; updating existing pricing data.
How do I install Pricing in Claude Code?
Run `npx skills add Piebald-AI/splitrail --skill pricing -a claude-code`. Or copy the skill folder (.claude/skills/pricing in Piebald-AI/splitrail) into .claude/skills/pricing in your project. Claude Code loads it when a task matches its description.
How do I install Pricing in Codex?
Run `npx skills add Piebald-AI/splitrail --skill pricing -a codex`. Or copy the skill folder (.claude/skills/pricing in Piebald-AI/splitrail) into .agents/skills/pricing in your project. Codex loads it when a task matches its description.
Can I use Pricing 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 Piebald-AI/splitrail --skill pricing -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/pricing, .gemini/skills/pricing, .github/skills/pricing and .opencode/skills/pricing in your project.
What does Pricing need to run?
SKILL.md names no scripts, command-line tools or credentials: Pricing is instructions for the agent only.
Does Pricing access the network?
SKILL.md names 3 domains. As links in the text: anthropic.com, openai.com and ai.google.dev. This is read from the text; nothing was executed.
Is Pricing 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 Pricing use?
Pricing is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Pricing use?
About 783 tokens (SKILL.md is roughly 3.1k 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 Pricing?
Skills that share tags, products or a category with Pricing: AI Image Generation and Editing (zhayujie/CowAgent, 47k stars), Agent Feature Reproduction (QwenLM/qwen-code, 28k stars), Qwen Code E2E Testing (QwenLM/qwen-code, 28k stars) and Game Asset Generator (htdt/godogen, 7.1k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Pricing?
Piebald-AI (a GitHub organization) maintains it in Piebald-AI/splitrail, which has 223 GitHub stars. The repository holds 6 skills in this directory. The repository was last updated on October 7, 2026.
Source: Piebald-AI/splitrail on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.