fix: include JsonSchema definitions in mcpTool inputSchema (#242)

asanzfonetic · seratch · web-flow · commit d9c4ddfb00f2 · 2025-07-26T09:08:16.000+09:00
Co-authored-by: Kazuhiro Sera &lt;seratch@openai.com&gt;
diff --git a/.changeset/icy-clouds-battle.md b/.changeset/icy-clouds-battle.md
@@ -0,0 +1,5 @@
+---
+'@openai/agents-core': patch
+---
+
+include JsonSchema definitions in mcpTool inputSchema
diff --git a/packages/agents-core/src/mcp.ts b/packages/agents-core/src/mcp.ts
@@ -299,6 +299,7 @@ export function mcpToFunctionTool(
   }
 
   const schema: JsonObjectSchema<any> = {
+    ...mcpTool.inputSchema,
     type: mcpTool.inputSchema?.type ?? 'object',
     properties: mcpTool.inputSchema?.properties ?? {},
     required: mcpTool.inputSchema?.required ?? [],

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +---
 +'@openai/agents-core': patch
 +---
++
 +include JsonSchema definitions in mcpTool inputSchema
Original file line number	Diff line number	Diff line change
`@@ -299,6 +299,7 @@ export function mcpToFunctionTool(`
`299`	`299`	`}`
`300`	`300`
`301`	`301`	`const schema: JsonObjectSchema<any> = {`
	`302`	`+ ...mcpTool.inputSchema,`
`302`	`303`	`type: mcpTool.inputSchema?.type ?? 'object',`
`303`	`304`	`properties: mcpTool.inputSchema?.properties ?? {},`
`304`	`305`	`required: mcpTool.inputSchema?.required ?? [],`