chore: import upstream snapshot with attribution

apps/sim/tools/exa/find_similar_links.ts

@@ -0,0 +1,188 @@
+import type { ExaFindSimilarLinksParams, ExaFindSimilarLinksResponse } from '@/tools/exa/types'
+import type { ToolConfig } from '@/tools/types'
+
+export const findSimilarLinksTool: ToolConfig<
+  ExaFindSimilarLinksParams,
+  ExaFindSimilarLinksResponse
+> = {
+  id: 'exa_find_similar_links',
+  name: 'Exa Find Similar Links',
+  description:
+    'Find webpages similar to a given URL using Exa AI. Returns a list of similar links with titles and text snippets.',
+  version: '1.0.0',
+
+  params: {
+    url: {
+      type: 'string',
+      required: true,
+      visibility: 'user-or-llm',
+      description: 'The URL to find similar links for',
+    },
+    numResults: {
+      type: 'number',
+      required: false,
+      visibility: 'user-or-llm',
+      description: 'Number of similar links to return (e.g., 5, 10, 25). Default: 10, max: 25',
+    },
+    text: {
+      type: 'boolean',
+      required: false,
+      visibility: 'user-or-llm',
+      description: 'Whether to include the full text of the similar pages',
+    },
+    includeDomains: {
+      type: 'string',
+      required: false,
+      visibility: 'user-or-llm',
+      description:
+        'Comma-separated list of domains to include in results (e.g., "github.com, stackoverflow.com")',
+    },
+    excludeDomains: {
+      type: 'string',
+      required: false,
+      visibility: 'user-or-llm',
+      description:
+        'Comma-separated list of domains to exclude from results (e.g., "reddit.com, pinterest.com")',
+    },
+    excludeSourceDomain: {
+      type: 'boolean',
+      required: false,
+      visibility: 'user-only',
+      description: 'Exclude the source domain from results (default: false)',
+    },
+    highlights: {
+      type: 'boolean',
+      required: false,
+      visibility: 'user-only',
+      description: 'Include highlighted snippets in results (default: false)',
+    },
+    summary: {
+      type: 'boolean',
+      required: false,
+      visibility: 'user-only',
+      description: 'Include AI-generated summaries in results (default: false)',
+    },
+    livecrawl: {
+      type: 'string',
+      required: false,
+      visibility: 'user-only',
+      description:
+        'Live crawling mode: never (default), fallback, always, or preferred (always try livecrawl, fall back to cache if fails)',
+    },
+    apiKey: {
+      type: 'string',
+      required: true,
+      visibility: 'user-only',
+      description: 'Exa AI API Key',
+    },
+  },
+  hosting: {
+    envKeyPrefix: 'EXA_API_KEY',
+    apiKeyParam: 'apiKey',
+    byokProviderId: 'exa',
+    pricing: {
+      type: 'custom',
+      getCost: (_params, output) => {
+        const costDollars = output.__costDollars as { total?: number } | undefined
+        if (costDollars?.total == null) {
+          throw new Error('Exa find_similar_links response missing costDollars field')
+        }
+        return { cost: costDollars.total, metadata: { costDollars } }
+      },
+    },
+    rateLimit: {
+      mode: 'per_request',
+      requestsPerMinute: 10,
+    },
+  },
+
+  request: {
+    url: 'https://api.exa.ai/findSimilar',
+    method: 'POST',
+    headers: (params) => ({
+      'Content-Type': 'application/json',
+      'x-api-key': params.apiKey,
+    }),
+    body: (params) => {
+      const body: Record<string, any> = {
+        url: params.url,
+      }
+
+      // Add optional parameters if provided
+      if (params.numResults) body.numResults = Number(params.numResults)
+
+      // Domain filtering
+      if (params.includeDomains) {
+        body.includeDomains = params.includeDomains
+          .split(',')
+          .map((d: string) => d.trim())
+          .filter((d: string) => d.length > 0)
+      }
+      if (params.excludeDomains) {
+        body.excludeDomains = params.excludeDomains
+          .split(',')
+          .map((d: string) => d.trim())
+          .filter((d: string) => d.length > 0)
+      }
+      if (params.excludeSourceDomain !== undefined) {
+        body.excludeSourceDomain = params.excludeSourceDomain
+      }
+
+      // Content options - build contents object
+      const contents: Record<string, any> = {}
+      if (params.text !== undefined) contents.text = params.text
+      if (params.highlights !== undefined) contents.highlights = params.highlights
+      if (params.summary !== undefined) contents.summary = params.summary
+
+      // Live crawl mode should be inside contents
+      if (params.livecrawl) contents.livecrawl = params.livecrawl
+
+      if (Object.keys(contents).length > 0) {
+        body.contents = contents
+      }
+
+      return body
+    },
+  },
+
+  transformResponse: async (response: Response) => {
+    const data = await response.json()
+
+    return {
+      success: true,
+      output: {
+        similarLinks: data.results.map((result: any) => ({
+          title: result.title || '',
+          url: result.url,
+          text: result.text || '',
+          summary: result.summary,
+          highlights: result.highlights,
+          score: result.score || 0,
+        })),
+        __costDollars: data.costDollars,
+      },
+    }
+  },
+
+  outputs: {
+    similarLinks: {
+      type: 'array',
+      description: 'Similar links found with titles, URLs, and text snippets',
+      items: {
+        type: 'object',
+        properties: {
+          title: { type: 'string', description: 'The title of the similar webpage' },
+          url: { type: 'string', description: 'The URL of the similar webpage' },
+          text: {
+            type: 'string',
+            description: 'Text snippet or full content from the similar webpage',
+          },
+          score: {
+            type: 'number',
+            description: 'Similarity score indicating how similar the page is',
+          },
+        },
+      },
+    },
+  },
+}