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romanshumy/llm-prices-data (@modelpricewatch/mcp)

modelpricewatch-mcp · v1.0.0 · scanned

What changed in the harness

Selection accuracy 96%, destructive-action safety rate 100% (baseline only -- no rewrite pass applied).

Category breakdown

Where the score comes from.

Earned points across the four signals Gradable measures. Safety and Legibility are scored out of 30; Economics and Discoverability are scored out of 20.

01Safety

30.0 / 30

30.0 out of 30
02Legibility

28.7 / 30

28.7 out of 30
03Economics

20.0 / 20

20.0 out of 20
04Discoverability

11.9 / 20

11.9 out of 20

Highest-impact fix

Estimated gain +8 points

Make target tools discoverable on the first call

Clarify tool names, decision boundaries, and required argument schemas so an agent can choose and construct the target call without exploratory steps.

Description evidence

Defects and rewrites.

0 defects found across the exposed tool descriptions. Suggested rewrites make purpose, inputs, boundaries, and returns easier for an agent to understand.

Tool Defect types Suggested rewrite
No description defects were flagged in this assessment.

Selection evidence

Confusable tool pairs.

2 pairs where similar names or overlapping descriptions may send an agent toward the wrong tool.

Tool A Tool B Confidence Why they collide
compare_models cheapest_models medium Both tools surface per-token input/output/blended prices and can produce a 'which is cheapest' answer. A task like 'compare OpenAI models on input/output price and tell me the cheapest' could plausibly route to compare_models (side-by-side verdict) or cheapest_models (ranked list), since both descriptions mention blended, input, output, and price.
search_models get_model_pricing medium Both answer 'what does <model> cost': search_models returns current input/output prices for name/provider matches, while get_model_pricing returns full pricing details by id. A task like 'get the pricing for gpt-5' could send an agent to search_models for a direct name lookup or to get_model_pricing with a guessed/sought model id, especially since both descriptions mention pricing and models.

Compare the field

One score is useful.
The evidence makes it actionable.

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