fix(api-key-reminder) Add reminder on hosted keys that api key isnt needed (#3512)

* Add reminder on hosted keys that api key isnt needed

* Fix test case

---------

Co-authored-by: Theodore Li <theo@sim.ai>

apps/sim/lib/copilot/chat-payload.ts

@@ -1,5 +1,6 @@
 import { createLogger } from '@sim/logger'
 import { processFileAttachments } from '@/lib/copilot/chat-context'
+import { getCopilotToolDescription } from '@/lib/copilot/tool-descriptions'
 import { isHosted } from '@/lib/core/config/feature-flags'
 import { createMcpToolId } from '@/lib/mcp/utils'
 import { getWorkflowById } from '@/lib/workflows/utils'
@@ -55,7 +56,10 @@ export async function buildIntegrationToolSchemas(): Promise<ToolSchema[]> {
         const strippedName = stripVersionSuffix(toolId)
         integrationTools.push({
           name: strippedName,
-          description: toolConfig.description || toolConfig.name || strippedName,
+          description: getCopilotToolDescription(toolConfig, {
+            isHosted,
+            fallbackName: strippedName,
+          }),
           input_schema: userSchema as unknown as Record<string, unknown>,
           defer_loading: true,
           ...(toolConfig.oauth?.required && {

apps/sim/lib/copilot/tool-descriptions.test.ts

@@ -0,0 +1,43 @@
+import { describe, expect, it } from 'vitest'
+import { getCopilotToolDescription } from '@/lib/copilot/tool-descriptions'
+
+describe('getCopilotToolDescription', () => {
+  it.concurrent('returns the base description when hosted keys are not active', () => {
+    expect(
+      getCopilotToolDescription(
+        {
+          name: 'Brandfetch Search',
+          description: 'Search for brands by company name',
+          hosting: { apiKeyParam: 'apiKey' } as never,
+        },
+        { isHosted: false }
+      )
+    ).toBe('Search for brands by company name')
+  })
+
+  it.concurrent('appends the hosted API key note when the tool supports hosting', () => {
+    expect(
+      getCopilotToolDescription(
+        {
+          name: 'Brandfetch Search',
+          description: 'Search for brands by company name',
+          hosting: { apiKeyParam: 'apiKey' } as never,
+        },
+        { isHosted: true }
+      )
+    ).toBe('Search for brands by company name <note>API key is hosted by Sim.</note>')
+  })
+
+  it.concurrent('uses the fallback name when no description exists', () => {
+    expect(
+      getCopilotToolDescription(
+        {
+          name: '',
+          description: '',
+          hosting: { apiKeyParam: 'apiKey' } as never,
+        },
+        { isHosted: true, fallbackName: 'brandfetch_search' }
+      )
+    ).toBe('brandfetch_search <note>API key is hosted by Sim.</note>')
+  })
+})

apps/sim/lib/copilot/tool-descriptions.ts

@@ -0,0 +1,25 @@
+import type { ToolConfig } from '@/tools/types'
+
+const HOSTED_API_KEY_NOTE = '<note>API key is hosted by Sim.</note>'
+
+export function getCopilotToolDescription(
+  tool: Pick<ToolConfig, 'description' | 'hosting' | 'name'>,
+  options?: {
+    isHosted?: boolean
+    fallbackName?: string
+  }
+): string {
+  const baseDescription = tool.description || tool.name || options?.fallbackName || ''
+
+  if (!options?.isHosted || !tool.hosting) {
+    return baseDescription
+  }
+
+  if (baseDescription.includes(HOSTED_API_KEY_NOTE)) {
+    return baseDescription
+  }
+
+  return baseDescription
+    ? `${baseDescription} ${HOSTED_API_KEY_NOTE}`
+    : HOSTED_API_KEY_NOTE
+}

apps/sim/lib/copilot/tools/server/blocks/get-blocks-metadata-tool.ts

@@ -1,9 +1,10 @@
 import { existsSync, readFileSync } from 'fs'
 import { join } from 'path'
 import { createLogger } from '@sim/logger'
+import { getCopilotToolDescription } from '@/lib/copilot/tool-descriptions'
 import type { BaseServerTool } from '@/lib/copilot/tools/server/base-tool'
 import { GetBlocksMetadataInput, GetBlocksMetadataResult } from '@/lib/copilot/tools/shared/schemas'
-import { getAllowedIntegrationsFromEnv } from '@/lib/core/config/feature-flags'
+import { getAllowedIntegrationsFromEnv, isHosted } from '@/lib/core/config/feature-flags'
 import { registry as blockRegistry } from '@/blocks/registry'
 import { AuthMode, type BlockConfig, isHiddenFromDisplay } from '@/blocks/types'
 import { getUserPermissionConfig } from '@/ee/access-control/utils/permission-check'
@@ -161,7 +162,10 @@ export const getBlocksMetadataServerTool: BaseServerTool<
               return {
                 id: toolId,
                 name: tool.name || toolId,
-                description: tool.description || '',
+                description: getCopilotToolDescription(tool, {
+                  isHosted,
+                  fallbackName: toolId,
+                }),
                 inputs: tool.params || {},
                 outputs: tool.outputs || {},
               }
@@ -246,7 +250,12 @@ export const getBlocksMetadataServerTool: BaseServerTool<
           operations[opId] = {
             toolId: resolvedToolId,
             toolName: toolCfg?.name || resolvedToolId,
-            description: toolCfg?.description || undefined,
+            description: toolCfg
+              ? getCopilotToolDescription(toolCfg, {
+                  isHosted,
+                  fallbackName: resolvedToolId,
+                })
+              : undefined,
             inputs: { ...filteredToolParams, ...(operationInputs[opId] || {}) },
             outputs: toolOutputs,
             inputSchema: operationParameters[opId] || [],

apps/sim/lib/copilot/vfs/serializers.ts

@@ -1,4 +1,5 @@
 import { isHosted } from '@/lib/core/config/feature-flags'
+import { getCopilotToolDescription } from '@/lib/copilot/tool-descriptions'
 import { isSubBlockHiddenByHostedKey } from '@/lib/workflows/subblocks/visibility'
 import type { BlockConfig, SubBlockConfig } from '@/blocks/types'
 import { PROVIDER_DEFINITIONS } from '@/providers/models'
@@ -721,7 +722,7 @@ export function serializeIntegrationSchema(tool: ToolConfig): string {
     {
       id: tool.id,
       name: tool.name,
-      description: tool.description,
+      description: getCopilotToolDescription(tool, { isHosted }),
       version: tool.version,
       oauth: tool.oauth
         ? { required: tool.oauth.required, provider: tool.oauth.provider }