add-model-price

★ 30,489

Use when editing worker/src/constants/default-model-prices.json, packages/shared/src/server/llm/types.ts, pricing tiers, tokenizer IDs, or matchPattern regexes for OpenAI, Anthropic, Bedrock, Vertex, Azure, or Gemini model pricing.

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🔒 Repo-maintenance skill. It exists to help maintain langfuse/langfuse itself — it's only useful if you contribute code to that project.

This is the playbook your agent receives when the skill activates — you don't need to read it to use the skill, but it's here to audit before installing.

Add Model Price

Use this skill for model pricing changes in worker/ and shared LLM type updates in packages/shared/.

When to Apply

Editing worker/src/constants/default-model-prices.json
Editing packages/shared/src/server/llm/types.ts
Adding a new priced model
Updating provider prices, cache pricing, or tier conditions
Expanding regex coverage for Bedrock, Vertex, Azure, or provider-prefixed model names
Auditing default model prices for stale, missing, or unmatched provider pricing
Auditing official provider docs for newly released major models that should receive default pricing and, when appropriate, selectable-model coverage

How to Read This Skill

Use this SKILL.md as the high-level workflow and helper index.
Open only the specific reference file that matches the task.

Reference Map

Topic	Read this when	File
Schema and tier rules	You need the entry shape or pricing-tier invariants	references/schema-and-tiers.md
Provider sources and price keys	You need official pricing URLs, per-token conversion, or provider-specific usage keys	references/provider-sources-and-price-keys.md
Provider usage-key matrix	You are adding or changing OpenAI, Gemini, Anthropic, or Bedrock usage keys	references/provider-usage-key-matrix.md
Match patterns	You are editing `matchPattern` regexes or provider coverage	references/match-patterns.md
Workflow and validation	You are applying the end-to-end edit process or checking common mistakes	references/workflow-and-validation.md
Automated audit mode	You are running a scheduled/default-price audit and need CI-safe edit rules	references/automated-audit.md
Audit memory	You need optional per-model context retained from a useful prior automated audit	references/model-audit-memory.md

Deterministic Helpers

Pricing file validator: node .agents/skills/add-model-price/scripts/validate-pricing-file.mjs
Match-pattern tester: node .agents/skills/add-model-price/scripts/test-match-pattern.mjs --model <modelName> --accept <sample...> --reject <sample...>
Direct regex tester: node .agents/skills/add-model-price/scripts/test-match-pattern.mjs --pattern '(?i)^(openai/)?(gpt-4o)$' --accept gpt-4o openai/gpt-4o --reject gpt-4o-mini

Copy & paste — that's it

npx skills add langfuse/langfuse --skill "add-model-price" --full-depth

Run this in your project — your agent picks the skill up automatically.

Quick Start Checklist

Adding a New Model

Gather official pricing from the provider documentation.
Generate a lowercase UUID for the model entry.
Create a matchPattern that covers supported provider formats.
Add at least one default pricing tier.
Map every supported semantic usage bucket to the provider aliases Langfuse may persist.
Insert the pricing entry into worker/src/constants/default-model-prices.json.
Update packages/shared/src/server/llm/types.ts if the model should be selectable in playground or evaluation flows.
Validate the JSON after editing.

Updating an Existing Model

Update the relevant prices, keys, tiers, or regexes.
Refresh updatedAt to today's ISO-8601 timestamp.
Validate the JSON after editing.