{"slug": "multi-agent-ai-systems-build-without-crewai-or-autogen", "title": "Multi-Agent AI Systems: Build Without CrewAI or AutoGen", "summary": "A developer built a set of 45 open-source AI tools running entirely on local models via Ollama, avoiding paid API calls and sending no data to third-party servers. The stack uses llama3.2 and other small models served from localhost through a simple Python requests wrapper, with the code published on GitHub.", "body_md": "Every token costs money. Every API call adds up. And your data goes to their servers.\n\n```\nbrew install ollama\nollama pull llama3.2\nollama serve\n```\n\nNow you have a GPT-4 level model running on your MacBook. Free. Private. Fast.\n\n``` python\nimport requests\n\ndef ask_local_ai(question):\n    r = requests.post(\n        \"http://localhost:11434/api/generate\",\n        json={\"model\": \"llama3.2\", \"prompt\": question, \"stream\": False}\n    )\n    return r.json()[\"response\"]\n\n# Works immediately, no API key needed\nanswer = ask_local_ai(\"Explain Docker in one paragraph\")\nprint(answer)\n```\n\n| Model | Size | Best For | \n|---|---|---|\n| llama3.2 | 2GB | General use | \n| codellama | 4GB | Code tasks | \n| mistral | 4.4GB | Fast reasoning | \n| phi3 | 2.2GB | Lightweight tasks | \n| gemma2 | 5.4GB | Complex reasoning | \n\nI built 45 tools using this stack. All free. All local. All open source.\n\n[github.com/amrendramishra/ai-tools](https://github.com/amrendramishra/ai-tools)\n\n*VP at JPMorgan Chase. Building AI tools at amrendranmishra.dev*", "url": "https://wpnews.pro/news/multi-agent-ai-systems-build-without-crewai-or-autogen", "canonical_source": "https://dev.to/amrendra_n_mishra/multi-agent-ai-systems-build-without-crewai-or-autogen-1483", "published_at": "2026-10-29 06:42:34+00:00", "updated_at": "2026-10-29 06:45:28.686044+00:00", "lang": "en", "topics": ["ai-tools", "large-language-models", "ai-agents", "developer-tools"], "entities": ["Ollama", "llama3.2", "JPMorgan Chase", "GitHub", "Mistral", "Code Llama"], "also_reported_by": [], "alternates": {"html": "https://wpnews.pro/news/multi-agent-ai-systems-build-without-crewai-or-autogen", "markdown": "https://wpnews.pro/news/multi-agent-ai-systems-build-without-crewai-or-autogen.md", "text": "https://wpnews.pro/news/multi-agent-ai-systems-build-without-crewai-or-autogen.txt", "jsonld": "https://wpnews.pro/news/multi-agent-ai-systems-build-without-crewai-or-autogen.jsonld"}}