Method injectTools

intercept/responses/injected_tools.go:18–60

()

)

func (i *responsesInterceptionBase) injectTools() {
	if i.mcpProxy == nil || !i.hasInjectableTools() {
		return
	}

	i.disableParallelToolCalls()

	// Inject tools.
	var injected []responses.ToolUnionParam
	for _, tool := range i.mcpProxy.ListTools() {
		var params map[string]any

		if tool.Params != nil {
			params = map[string]any{
				"type":       "object",
				"properties": tool.Params,
				// "additionalProperties": false, // Only relevant when strict=true.
			}
		}

		// Otherwise the request fails with "None is not of type 'array'" if a nil slice is given.
		if len(tool.Required) > 0 {
			// Must list ALL properties when strict=true.
			params["required"] = tool.Required
		}

		injected = append(injected, responses.ToolUnionParam{
			OfFunction: &responses.FunctionToolParam{
				Name:        tool.ID,
				Strict:      openai.Bool(false), // TODO: configurable.
				Description: openai.String(tool.Description),
				Parameters:  params,
			},
		})
	}

	updated, err := i.reqPayload.injectTools(injected)
	if err != nil {
		i.logger.Warn(context.Background(), "failed to inject tools", slog.Error(err))
		return
	}
	i.reqPayload = updated
}

// disableParallelToolCalls disables parallel tool calls, to simplify the inner agentic loop.
// This is best-effort, and failing to set this flag does not fail the request.