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pywin32 installation fails on Windows — hard dep only needed for client stdio, but pulled in for all users via eager import in __init__.py Docs Preview #1309: Issue comment #2233 (comment) created by J-Pster
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Add Skills extension Docs Preview #1308: Pull request #3485 opened by vijaydeepsinha
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Protected Resource Metadata resource erroneous when setting up authentication on server Docs Preview #1307: Issue comment #1264 (comment) created by slowe89
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[v2] Expose the SSE max_event_size setting in Streamable HTTP clients Docs Preview #1306: Issue comment #3332 (comment) created by mguttmann
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MCPServer has no x-mcp-header declaration mechanism and never validates one, so an invalid annotation is served happily and dropped by every client Docs Preview #1302: Issue comment #3484 (comment) created by Kangwenqiao
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MCPServer has no x-mcp-header declaration mechanism and never validates one, so an invalid annotation is served happily and dropped by every client Docs Preview #1301: Issue comment #3484 (comment) created by atsuki-shirasawa
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Client never retries after -32020 HeaderMismatch, and there is no public way to pre-load the x-mcp-header map (SEP-2243 client SHOULD/MAY both unimplemented) Docs Preview #1300: Issue comment #3483 (comment) created by atsuki-shirasawa
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Simplify src/mcp/shared/metadata_utils.py::get_display_name logic. Docs Preview #1299: Issue comment #3480 (comment) created by StarsExpress
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Missing prompt-level _meta support in MCPServer.prompt() and Prompt model Docs Preview #1298: Issue comment #3476 (comment) created by siddharthgaur1
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Tool input schemas carry a pydantic-derived title on every property Docs Preview #1297: Issue comment #3391 (comment) created by mkanetsuna
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[v2] Expose the SSE max_event_size setting in Streamable HTTP clients Docs Preview #1296: Issue comment #3332 (comment) created by Zhangs-11
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[v2] Expose the SSE max_event_size setting in Streamable HTTP clients Docs Preview #1295: Issue comment #3332 (comment) created by Kludex
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[v2] Expose the SSE max_event_size setting in Streamable HTTP clients Docs Preview #1294: Issue comment #3332 (comment) created by Zhangs-11
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[v2] Expose the SSE max_event_size setting in Streamable HTTP clients Docs Preview #1293: Issue comment #3332 (comment) created by Kludex
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Tool input schemas carry a pydantic-derived title on every property Docs Preview #1292: Issue comment #3391 (comment) created by ktz03
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Tool input schemas carry a pydantic-derived title on every property Docs Preview #1291: Issue comment #3391 (comment) created by mkanetsuna
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Tool input schemas carry a pydantic-derived title on every property Docs Preview #1290: Issue comment #3391 (comment) created by ktz03
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Tool input schemas carry a pydantic-derived title on every property Docs Preview #1289: Issue comment #3391 (comment) created by ktz03
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DNS rebinding :* allowlist matches Host/Origin suffixes that are not ports Docs Preview #1288: Issue comment #3463 (comment) created by Oskii
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ClientSession Error Handling Docs Preview #1287: Issue comment #1401 (comment) created by FOWEPJF255
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Docs Preview Docs Preview #1283: created by fcsguyxcw
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ClientSession Error Handling Docs Preview #1282: Issue comment #1401 (comment) created by VAIBHAVVVV76
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[Bug] Client sends empty _meta:{} on every request; strict servers (Meta Ads MCP) reject with HTTP 400 Docs Preview #1281: Issue comment #3473 (comment) created by kokhlo
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check_resource_allowed treats /api/../admin as under /api Docs Preview #1280: Issue comment #3464 (comment) created by 1747687484-collab
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[Bug] Client sends empty _meta:{} on every request; strict servers (Meta Ads MCP) reject with HTTP 400 Docs Preview #1279: Issue comment #3473 (comment) created by jstar0
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