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8.6What You Do with the Saved Context
The ~87K tokens saved on a typical task can hold:
| Content | Approximate Tokens | What It Enables |
|---|---|---|
| 10 source files (~200 lines each) | ~30,000 | Agent reads and modifies code |
| Full test suite definition | ~10,000 | Agent understands all tests |
| Error analysis + debugging | ~20,000 | Agent reasons about failures |
| Conversation history | ~25,000 | Agent remembers earlier context |
| Total additional capacity | ~85,000 | A richer, more capable agent |
This is why Microsoft's positioning targets coding agents specifically: an agent that only drives a browser can afford MCP; an agent that drives a browser while reading your codebase, writing tests, and reasoning about failures cannot.