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prompts/get accepts non-string argument values

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Assessment

Difficulty
2/5
Estimated time
1-3 hours
Newbie friendliness
76/100
Issue type
Bug
Clarity
Clearly specified
Activity status
Active
Tech stack
typescript
Domain
backend-api-design

Research direction

Start in src/validation/schemas.ts and inspect the prompts/get params schema and its validation tests, if present. Check how the arguments field handles non-string values against the protocol schema and the guidance in prompts.md. Done when invalid values are rejected as -32602 before reaching the handler.

Written by the indexing model from the issue text.

Description

The prompts/get params schema (src/validation/schemas.ts) types arguments as Record<string, unknown>, so { a: 5 } or { a: 'x', extra: { o: 1 } } reaches the handler. The protocol schema is { [key: string]: string } and prompts.md says servers SHOULD validate prompt arguments; a handler treating them as strings fails with -32603 instead of the client getting -32602.

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Dominant language
TypeScript
Stars
58
Forks
15
Avg merge
1d 7h
Merged PRs (30d)
53

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