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docs: cover the remaining Tier 1 audit items (#3325)

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Max 2026-08-17 20:18:30 +01:00 • committed by GitHub
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docs/servers/tools.md
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@ -34,6 +34,8 @@ From those type hints the SDK generates a JSON Schema and sends it to the client
Both arguments are in `required` because neither has a default. You'll fix that in a moment. (The `title` keys are Pydantic artifacts; the properties, their types, and `required` are the contract.)
There is no `$schema` key either: MCP treats a schema without one as **JSON Schema 2020-12**, which is what Pydantic generates, so there is nothing to choose until you write schemas by hand on the **[low-level Server](../advanced/low-level-server.md#the-dialect-is-json-schema-2020-12)**.
!!! tip
Type hints aren't documentation here. They are **the contract**. If a client sends `"limit": "ten"`,
the SDK rejects it before your function ever runs.