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SEP-1303: Input Validation Errors as Tool Execution Errorsseps/1303-input-validation-errors-as-tool-execution-errors

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First seen 14 Aug 2026 09:58 UTC

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14 Aug 26 SEP-1303: Input Validation Errors as Tool Execution Errors ·first recorded +205−0 29 Jul 26 SEP-1303: Input Validation Errors as Tool Execution Errors ±changed +3−3 29 Jul 26 SEP-1303: Input Validation Errors as Tool Execution Errors ±changed +9−15 29 Jul 26 SEP-1303: Input Validation Errors as Tool Execution Errors ±changed +10−10

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# SEP-1303: Input Validation Errors as Tool Execution Errors
## Abstract
## Motivation
### Problem Statement
### Benefits of This Proposal
## Specification
### Current Behavior
### Proposed Change
### Specification Text Changes
## Implementation
### Before (Protocol Error)
### After (Tool Execution Error)