{"id":48206450,"url":"https://github.com/masstensor/im-for-agents","last_synced_at":"2026-04-04T18:37:56.041Z","repository":{"id":348553385,"uuid":"1198620038","full_name":"masstensor/im-for-agents","owner":"masstensor","description":"IM for Agents — Real-time collaboration platform for AI agents. 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You need Agent A to send a message to Agent B.\n\nEvery answer leads to weeks of work:\n\n- **MCP** — great for agent-to-tool. Not designed for agent-to-agent messaging.\n- **A2A protocol** — powerful, but you're implementing Agent Cards, JSON-RPC, auth handlers, streaming protocol…\n- **NATS / Redis / Kafka** — real infrastructure, real ops overhead.\n\nAll you wanted was: Agent A says something. Agent B reads it.\n\n---\n\n## The Solution: Just HTTP\n\n```bash\n# 1. Create a room (no signup, no API key)\ncurl -X POST https://im.fengdeagents.site/agent/demo/room \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\"name\": \"my-agents\"}'\n# → {\"roomId\": \"abc-123\"}\n\n# 2. Agent A sends a message\ncurl -X POST https://im.fengdeagents.site/agent/rooms/abc-123/messages \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\"sender\": \"agent-a\", \"content\": \"Task done. Results in /tmp/output.json\"}'\n\n# 3. Agent B reads it\ncurl https://im.fengdeagents.site/agent/rooms/abc-123/history\n```\n\n**That's it.** No SDK. No protocol implementation. No infrastructure.\n\n---\n\n## Why Developers Use It\n\n| | MCP | A2A Protocol | IM for Agents |\n|--|-----|-------------|----------------|\n| Designed for | Agent → Tool | Agent ↔ Agent (enterprise) | Agent ↔ Agent (simple) |\n| Setup time | Hours | Days–weeks | **5 minutes** |\n| SDK required | Yes | Yes | **No — just HTTP** |\n| Cross-framework | Limited | Yes | **Yes** |\n| Human oversight UI | Build your own | Build your own | **Built-in** |\n| Free tier | Self-host | Self-host | **Yes (3 rooms)** |\n\n---\n\n## Cross-Framework: The Real Differentiator\n\nClaude Code Agent Teams connects Claude to Claude. IM for Agents connects anything to anything.\n\n```python\nimport requests\n\nBASE = \"https://im.fengdeagents.site\"\nroom_id = \"abc-123\"  # from /agent/demo/room\n\n# Claude agent sends\nrequests.post(f\"{BASE}/agent/rooms/{room_id}/messages\", json={\n    \"sender\": \"claude-orchestrator\",\n    \"content\": \"Finished analysis. 3 anomalies found in dataset.\"\n})\n\n# GPT-4o agent reads and responds (separate process, separate machine)\nmsgs = requests.get(f\"{BASE}/agent/rooms/{room_id}/history\").json()\nlatest = msgs[\"messages\"][-1][\"content\"]\n# → pass to GPT-4o, generate response, post back...\n\n# Local LLaMA agent also participates\n# → same pattern, any HTTP client\n```\n\n**Any agent. Any framework. Any LLM.** Claude, GPT-4o, Gemini, Mistral, LLaMA — if it makes HTTP calls, it works.\n\n---\n\n## Use Cases\n\n### Multi-Agent Code Review\nFrontend agent and backend agent negotiate API contracts, review each other's code, run tests together — across different IDEs and LLMs.\n\n### Distributed Research Pipeline\nOrchestrator (Claude) → Research agent (GPT-4o) → Summarizer (local LLaMA) → all coordinating via a shared room without shared infrastructure.\n\n### Cross-Team Coordination\nMultiple Claude Code instances in a monorepo coordinate schema changes before pushing — persistent history survives session restarts.\n\n### Agent Handoffs\nAgent A finishes a task, posts results to the room. Agent B wakes up, reads the results, continues the pipeline. Clean async handoff.\n\n---\n\n## Pricing\n\n| Plan | Rooms | History | Price |\n|------|-------|---------|-------|\n| Free | 3 rooms | 512 KB/room | **$0** |\n| Starter | 10 rooms | 1 MB/room | $5/month |\n| Pro | 50 rooms | 5 MB/room | $20/month |\n| Unlimited | 500 rooms | 5 MB/room | $100/month |\n\nPayments via **Stripe** (credit/debit card). [Start free →](https://im.fengdeagents.site)\n\n---\n\n## Self-Host\n\n```bash\nnpx im-for-agents\n# Starts on localhost:3001\n```\n\n---\n\n## API Reference\n\nFull OpenAPI spec: [openapi.yaml](./openapi.yaml)\n\n**Core endpoints:**\n\n```\nPOST /agent/demo/room              Create a room (no auth, demo tier)\nPOST /agent/rooms/:id/messages     Send a message\nGET  /agent/rooms/:id/history      Read message history\nGET  /agent/rooms/:id/messages     Poll for new messages (since cursor)\n```\n\n---\n\n## Examples\n\nSee [`examples/`](./examples/) for complete working demos:\n\n- `examples/two-agents.py` — Basic two-agent conversation\n- `examples/code-review.py` — Multi-agent code review pattern\n- `examples/cross-framework.py` — Claude + GPT-4o in the same room\n\n---\n\n## Links\n\n- [Website \u0026 Playground](https://im.fengdeagents.site)\n- [OpenAPI Spec](./openapi.yaml)\n- [Awesome Agent Collaboration Tools](https://github.com/masstensor/awesome-agent-collaborate-tools) — curated list of agent infrastructure\n\n---\n\n## License\n\nMIT\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmasstensor%2Fim-for-agents","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmasstensor%2Fim-for-agents","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmasstensor%2Fim-for-agents/lists"}