ToolKiti

AI Agent Stack Templates

Production-ready API stacks for building AI agents. Each template includes recommended providers with pricing.

Coding Agent

Build an AI coding assistant that can read, write, and debug code.

LLM
Anthropic Claude 3.5 Sonnet — best coding model
Alt: GPT-4o — strong reasoning
$3-5/1M tokens
Search
Tavily — AI-optimized search
Alt: Exa — semantic code search
Free tier
Browser
Browserbase — headless stealth browser
Alt: Playwright MCP — local automation
Free-$49/mo
Memory
Mem0 — AI-native memory layer
Alt: Upstash Redis — serverless KV
Free tier
Deploy
Vercel — instant Next.js deploys
Alt: Railway — full-stack with DB
Free tier

Research Agent

Deep research assistant that searches, reads, and synthesizes information.

LLM
GPT-4o — 128K context for long docs
Alt: Gemini 2.0 Flash — 1M context
$0.15-2.50/1M tokens
Search
Exa — content-based semantic search
Alt: Tavily — cited structured results
Free-$19/mo
Scraping
Firecrawl — web to markdown at scale
Alt: Jina AI Reader — single page extraction
Free-$19/mo
Storage
Pinecone — vector DB for RAG
Alt: Supabase — Postgres + pgvector
Free tier
Orchestration
LangChain — agent framework
Alt: Trigger.dev — background jobs
Free-$39/mo

Customer Support Agent

AI agent that handles tickets, searches docs, and responds to customers.

LLM
GPT-4o — reliable, function calling
Alt: Claude 3.5 Haiku — fast, affordable
$0.25-2.50/1M tokens
Knowledge Base
Pinecone — vector search over docs
Alt: Weaviate — hybrid keyword+vector
Free tier
Email
Resend — React email API
Alt: SendGrid — transactional at scale
Free-100/day
Ticketing
Linear API — issue tracking
Alt: GitHub Issues — for open source
Free-$8/user/mo
Analytics
PostHog — product analytics
Alt: Helicone — LLM observability
Free tier

Data Analysis Agent

Agent that queries databases, runs Python, and generates reports.

LLM
GPT-4o — code interpreter
Alt: Claude 3.5 Sonnet — analysis & charts
$3-5/1M tokens
Code Execution
E2B — sandboxed code runtime
Alt: OpenAI Code Interpreter
Free-$25/mo
Database
Supabase — Postgres
Alt: Neon — serverless branching
Free tier
Visualization
Mapbox — custom maps
Alt: Recharts/D3 — JS charting
Free tier
Scheduling
Trigger.dev — cron jobs
Alt: n8n — workflow automation
Free tier
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