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fix(MCP Client Tool Node): Stringify tool result (#14554)

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This commit is contained in:
Elias Meire
2025-04-14 21:22:07 +02:00
committed by GitHub
parent 7723a138a1
commit 390c508946
3 changed files with 7 additions and 4 deletions
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4
packages/@n8n/nodes-langchain/nodes/mcp/McpClientTool/McpClientTool.node.test.ts
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@@ -57,7 +57,7 @@ describe('McpClientTool', () => {
jest.resetAllMocks();
});
it('should return a valid toolkit with usable tools', async () => {
it('should return a valid toolkit with usable tools (that returns a string)', async () => {
jest.spyOn(Client.prototype, 'connect').mockResolvedValue();
jest
.spyOn(Client.prototype, 'callTool')
@@ -93,7 +93,7 @@ describe('McpClientTool', () => {
expect(tools).toHaveLength(2);
const toolCallResult = await tools[0].invoke({ input: 'foo' });
expect(toolCallResult).toEqual([{ type: 'text', text: 'result from tool' }]);
expect(toolCallResult).toEqual(JSON.stringify([{ type: 'text', text: 'result from tool' }]));
});
it('should support selecting tools to expose', async () => {