1# Tool — Code Interpreter
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3Enables agents to write and run Python in a sandboxed environment. Supports data analysis, chart generation, and file processing. Has [additional charges](https://azure.microsoft.com/pricing/details/cognitive-services/openai-service/) beyond token-based fees.
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5> Sessions: 1-hour active / 30-min idle timeout. Each conversation = separate billable session.
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7> ⚠️ When Code Interpreter is used through a toolbox in a **hosted agent**, user isolation isn't supported — all users in the same project share one container context.
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9## Prompt-agent SDK class
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11`CodeInterpreterTool` — see [tool-mcp.md](tool-mcp.md) for the general prompt-agent tool-wiring pattern; Code Interpreter takes no constructor arguments.
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13## Toolbox shape
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15```json
16{ "type": "code_interpreter" }
17```
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19No other fields. Only one `code_interpreter` per toolbox version (unnamed tool).
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21## References
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23- [Code Interpreter tool documentation](https://learn.microsoft.com/azure/foundry/agents/how-to/tools/code-interpreter)
24- [agent-tools.md](agent-tools.md) — tool index
25- [toolbox-reference.md](toolbox-reference.md) — endpoint, auth, and MCP protocol details
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