Agent types

Six shapes of AI agent we actually build.

An agent is a system that turns a goal into a sequence of tool calls. These are the six concrete shapes we keep shipping — each with anatomy, costs, and real examples.

Code & Integration Agent

Best for · API plumbing, schema mapping, OpenAPI client generation, internal tooling

  • Generate typed clients from OpenAPI / GraphQL schemas
  • Schema-map between two evolving systems
  • Reverse-engineer OpenAPI specs from real traffic
Claude CodeOpenAPI / GraphQL toolingTypeScript codegenZod
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Conversational Agent

Best for · Internal or customer chat grounded in your knowledge base with citations and escalation

  • Customer support chat with citation and warm transfer
  • Internal ops Q&A across policies, runbooks, and code
  • Sales assistant with CRM context
LangGraphpgvector / Pinecone / VectorizeClaude / OpenAIStreaming UI
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Document Processing Agent

Best for · Invoices, contracts, receipts, and forms → structured data with confidence-tier human review

  • Auto-classify and extract line items from supplier invoices
  • Pull clause obligations and renewal dates out of contracts
  • Process expense receipts photographed by mobile
Claude / GPT-4o visionZod schemasFirestore / PostgresCloud Functions
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Research & Synthesis Agent

Best for · Web and internal source aggregation with structured summaries and citations

  • Competitive intelligence briefs from public sources
  • Internal research summaries with source citations
  • Investment / due-diligence dossiers on demand
Browserbase / FirecrawlClaude long-contextSource deduplicationCitation maps
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Voice & Phone Agent

Best for · After-hours bookings, lead qualification, customer service overflow, FAQ lines

  • After-hours appointment booking with calendar write-back
  • Inbound lead qualification with CRM logging
  • Order status, FAQ, and warm transfer to humans
Twilio VoiceGPT-4o Realtime / WhisperFunction callingPer-call observability
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Workflow Orchestrator Agent

Best for · Cross-SaaS triggers — Microsoft 365, Slack, Sheets, HubSpot, Stripe — with idempotency and approvals

  • New lead → enrich → CRM → Slack alert → calendar invite
  • Closed deal → Stripe → invoice → Drive folder → onboarding flow
  • Stockout → supplier email → PO → ERP
Power Automate / n8nCustom Cloud FunctionsWebhooks + queuesIdempotency keys
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Not sure which agent shape fits your workflow?

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