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Add defs field to ToolsInputSchema #488

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Merged
merged 2 commits into from
Jul 26, 2025
Merged

Add defs field to ToolsInputSchema #488

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6378acc
Add field to ToolsInputSchema
ostafen Jul 15, 2025
ca63715
Update MarshalJSON()
ostafen Jul 15, 2025
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5 changes: 5 additions & 0 deletions mcp/tools.go
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Original file line number Diff line number Diff line change
Expand Up @@ -516,6 +516,7 @@ func (t Tool) MarshalJSON() ([]byte, error) {
}

type ToolInputSchema struct {
Defs map[string]any `json:"$defs,omitempty"`
Type string `json:"type"`
Properties map[string]any `json:"properties,omitempty"`
Required []string `json:"required,omitempty"`
Expand All @@ -526,6 +527,10 @@ func (tis ToolInputSchema) MarshalJSON() ([]byte, error) {
m := make(map[string]any)
m["type"] = tis.Type

if tis.Defs != nil {
m["$defs"] = tis.Defs
}

// Marshal Properties to '{}' rather than `nil` when its length equals zero
if tis.Properties != nil {
m["properties"] = tis.Properties
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