How it works

Foe: Mirage Djinn, an AI answer that sounds right but isn't.

Mirage Djinn

1. Mirage Djinn

   The Mirage Djinn blocks the way.

   What really happensIt stands for an AI answer that sounds right but isn't.

   Summoner: Context 100/100.

2. Mirage

   The djinn conjures a mirage, and the hero swings at nothing.

   What really happensA model can sound sure and still be wrong, so AI features need evals and checks.

   Summoner takes 8. Summoner: Context 92/100.

3. Anthropic MCP Builder

   The builder studies the realm before laying stone.

   What really happensPhase 1 reads the MCP spec, the SDK docs and the target API, then plans which tools to expose and how to name them.

   Mirage Djinn takes 18.

4. Anthropic MCP Builder

   Tools are carved one by one in Python or TypeScript.

   What really happensPhase 2 sets up the project and implements the tools with FastMCP or the TypeScript MCP SDK.

   Mirage Djinn takes 27.

5. Mirage

   The Mirage Djinn uses Mirage.

   Summoner takes 8. Summoner: Context 84/100.

6. Anthropic MCP Builder

   Each stone is tested before the next goes on.

   What really happensPhase 3 reviews code quality, then builds the server and tests it with MCP Inspector.

   Mirage Djinn takes 11. Summoner: Ward.

7. Anthropic MCP Builder

   Ten hard riddles test whether the tools tell the truth.

   What really happensPhase 4 writes 10 evaluation questions with checkable answers; scripts/evaluation.py runs them against the server.

   Mirage Djinn takes 44. Mirage Djinn falls.

8. Victory

   The Mirage Djinn falls.