model-selection

Automatically applies when choosing LLM models and providers. Ensures proper model comparison, provider selection, cost optimization, fallback patterns, and multi-model strategies.

1.25x

Quality

54%

Does it follow best practices?

Impact

93%

1.25x

Average score across 6 eval scenarios

Securityby

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./skills/ai-llm/model-selection/SKILL.md

Evaluation results

92%

LLM Gateway Service

Model registry and task-based routing

Criteria

Without context

With context

ModelRegistry class

62%

100%

Full model metadata

100%

Capabilities fields

100%

Quality tier values

100%

Pricing in MTok units

100%

ModelRouter class

100%

Named rules with priority

100%

Rule condition callables

100%

Default fallback model

No hardcoded model IDs at call sites

100%

Routing logic documented

100%

Three traffic patterns routed

100%

92%

LLM Cost Audit Tool

Cost estimation and batch cost analysis

Criteria

Without context

With context

MTok pricing unit

100%

estimate_cost function

80%

100%

Batch analysis: total_cost_usd

100%

Batch analysis: avg_cost_per_request

100%

Batch analysis: total_tokens

25%

100%

Batch analysis: cost_per_1k_tokens

100%

At least 3 models compared

100%

find_cheapest_model logic

100%

Model registry used

100%

cost_report.txt produced

100%

Reads requests.csv

100%

Cost logged per request

100%

96%

41%

Reliable LLM Completion Service

Fallback chain and provider reliability

Criteria

Without context

With context

FallbackChain class

30%

100%

Ordered fallback attempt

100%

model_used in result

100%

fallback_occurred in result

100%

response in result

37%

100%

Warning logged on failure

100%

Exception on all failures

100%

Exception message format

37%

50%

ModelRegistry integration

100%

Demo runs without API keys

100%

Demo shows fallback_occurred=True

20%

100%

Repository: majiayu000/claude-skill-registry
Commit: 632759f

Evaluated: about 1 month ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

LLM Gateway Service LLM Cost Audit Tool Reliable LLM Completion Service

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