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Agent skill

Update Pricing

by nesquikm in nesquikm/mcp-rubber-duck

Update LLM pricing data for all providers. An agent skill from nesquikm/mcp-rubber-duck.

MITAuto-check passed

Install Update Pricing

skills CLI
$ npx skills add nesquikm/mcp-rubber-duck --skill update-pricing -a claude-code

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

GitHub CLI
$ gh skill install nesquikm/mcp-rubber-duck update-pricing --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/nesquikm/mcp-rubber-duck.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/update-pricing .claude/skills/update-pricing && 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
update-pricing
GitHub stars
178
Token cost
~270 tokens
SKILL.md length
130 words
Files
1
Skills in repo
3
Repo updated
First seen
Licence
MIT

At a glance

Update LLM pricing data for all providers. An agent skill from nesquikm/mcp-rubber-duck.

  • Works in 6 steps: Research current pricing from all… → Discover and add models that are… → Update any prices that have changed → …
  • Calls npm

What it does

Update Pricing is an agent skill from nesquikm/mcp-rubber-duck. Update LLM pricing data for all providers

Its SKILL.md is about 270 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

The repository describes itself as: An MCP server that acts as a bridge to query multiple OpenAI-compatible LLMs with MCP tool access. Just like rubber duck debugging, explain your problems to various AI "ducks"… The licence is MIT.

Example prompts

  • “/update-pricing”

Workflow steps

6 steps, taken from the first numbered list in SKILL.md.

  1. Research current pricing from all provider websites (OpenAI, Anthropic, Google, Groq, Mistral, DeepSeek, Together AI)
  2. Discover and add models that are actually listed on pricing pages - do NOT add speculative/future models
  3. Update any prices that have changed
  4. Remove models that are no longer available or deprecated
  5. Update the DEFAULT_PRICING_LAST_UPDATED timestamp to today's date
  6. Run npm run typecheck and npm test -- tests/pricing.test.ts to verify changes

What it can do on your machine

Read from SKILL.md and the folder at commit 4e321d9. 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

    Shell commands in SKILL.md call:

    • npm

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

  • Network

    No URLs in SKILL.md. Its commands use npm, which can reach the network depending on how they are called.

    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

Update Pricing loads about 270 tokens when it runs. Until then it costs about 14 tokens; SKILL.md has 130 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~14
When it runs · the whole SKILL.md, loaded when a task matches
~270

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 nesquikm/mcp-rubber-duck at commit 4e321d9, republished under its MIT licence (© nesquikm). 130 words, ~270 tokens.

Download SKILL.mdSave it as .claude/skills/update-pricing/SKILL.md (or your agent's skills folder).
name
update-pricing
description
Update LLM pricing data for all providers
argument-hint
[provider name to update, or omit for all]

Update Pricing

Use the pricing-updater subagent to update the LLM pricing data in src/data/default-pricing.ts.

The agent should:

  1. Research current pricing from all provider websites (OpenAI, Anthropic, Google, Groq, Mistral, DeepSeek, Together AI)
  2. Discover and add models that are actually listed on pricing pages - do NOT add speculative/future models
  3. Update any prices that have changed
  4. Remove models that are no longer available or deprecated
  5. Update the DEFAULT_PRICING_LAST_UPDATED timestamp to today's date
  6. Run npm run typecheck and npm test -- tests/pricing.test.ts to verify changes

Important guidelines:

  • Only add models with explicit pricing on official provider pages
  • Do not invent or extrapolate pricing for unannounced models
  • When uncertain about a price, skip the model rather than guess
  • Cross-reference model names exactly as they appear in API documentation

$ARGUMENTS

© nesquikm, 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/update-pricing of nesquikm/mcp-rubber-duck.

Open the folder on GitHubat commit 4e321d9

Compare with similar skills

Update 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.

Update Pricing compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Update Pricing this skillnesquikm/mcp-rubber-duck178—~270Automated safety check: PassMIT
Pricingsickn33/agentic-awesome-skills47k1 repos~1.9kAutomated safety check: PassMIT
Pricing Strategyphuryn/pm-skills27k—~913Automated safety check: PassMIT
Pricing Strategyalirezarezvani/claude-skills28k1 repos~3.5kAutomated safety check: PassMIT
Pricing Strategistalirezarezvani/claude-skills28k—~2.3kAutomated safety check: PassMIT
SaaS Pricing Strategistsickn33/agentic-awesome-skills47k1 repos~1.5kAutomated safety check: PassMIT

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  • Pricing

    sickn33/agentic-awesome-skills

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  • Pricing Strategy

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Questions about Update Pricing

What does Update Pricing do?

Update LLM pricing data for all providers. An agent skill from nesquikm/mcp-rubber-duck. Update Pricing is an agent skill from nesquikm/mcp-rubber-duck.

How do I install Update Pricing in Claude Code?

Run `npx skills add nesquikm/mcp-rubber-duck --skill update-pricing -a claude-code`. Or copy the skill folder (.claude/skills/update-pricing in nesquikm/mcp-rubber-duck) into .claude/skills/update-pricing in your project. Claude Code loads it when a task matches its description.

How do I install Update Pricing in Codex?

Run `npx skills add nesquikm/mcp-rubber-duck --skill update-pricing -a codex`. Or copy the skill folder (.claude/skills/update-pricing in nesquikm/mcp-rubber-duck) into .agents/skills/update-pricing in your project. Codex loads it when a task matches its description.

Can I use Update 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 nesquikm/mcp-rubber-duck --skill update-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/update-pricing, .gemini/skills/update-pricing, .github/skills/update-pricing and .opencode/skills/update-pricing in your project.

What does Update Pricing need to run?

Going by SKILL.md and its folder, Update Pricing needs the command-line tools its instructions call (npm).

Does Update Pricing access the network?

SKILL.md contains no URLs. Its commands use npm, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Update 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 Update Pricing use?

Update 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 Update Pricing use?

About 270 tokens (SKILL.md is roughly 1.1k 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 Update Pricing?

Skills that share tags, products or a category with Update Pricing: Pricing (sickn33/agentic-awesome-skills, 47k stars), Pricing Strategy (phuryn/pm-skills, 27k stars), Pricing Strategy (alirezarezvani/claude-skills, 28k stars) and Pricing Strategist (alirezarezvani/claude-skills, 28k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Update Pricing?

nesquikm (a GitHub user) maintains it in nesquikm/mcp-rubber-duck, which has 178 GitHub stars. The repository holds 3 skills in this directory. The repository was last updated on October 9, 2026.

Source: nesquikm/mcp-rubber-duck on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.