[pull] main from modelcontextprotocol:main#139
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…hema (SEP-1613) (#949) MCP embeds JSON Schema documents in three places — Tool.inputSchema, Tool.outputSchema, and ElicitRequest.requestedSchema — and SEP-1613 mandates that these documents conform to JSON Schema 2020-12 by default. Servers now reject malformed schemas at both build time (McpServer.build()) and runtime (McpAsyncServer/McpStatelessAsyncServer.addTool()), returning an IllegalArgumentException that identifies the offending field and references SEP-1613. Elicitation requests whose requestedSchema violates the meta-schema are rejected before being sent to the client. Schemas that explicitly declare a different dialect via $schema are accepted without meta-schema validation, since 2020-12 is the default, not the only permitted dialect. Refine meta-schema loading and deprecate orphan JsonSchemaValidator Resolves #700 Signed-off-by: Dariusz Jędrzejczyk <[email protected]>
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