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Releases

@modelcontextprotocol/server-filesystem@2.4.0

Minor Changes

• #5536 311c0fd @cliffhall - Serve Streamable HTTP as well as stdio (#576). --transport streamable-http serves the server on one /mcp endpoint, for 2026-07-28 and 2025-era clients alike, at HOST:PORT (127.0.0.1:3001 by default); stdio stays the default. Over HTTP the filesystem server requires its allowed directories on the command line, since it cannot ask a client for its Roots, and the sequential-thinking history belongs to the server process rather than to one connection.

@modelcontextprotocol/server-memory@2.2.0

Minor Changes

• #5536 311c0fd @cliffhall - Serve Streamable HTTP as well as stdio (#576). --transport streamable-http serves the server on one /mcp endpoint, for 2026-07-28 and 2025-era clients alike, at HOST:PORT (127.0.0.1:3001 by default); stdio stays the default. Over HTTP the filesystem server requires its allowed directories on the command line, since it cannot ask a client for its Roots, and the sequential-thinking history belongs to the server process rather than to one connection.

• #5534 1c00bfa @cliffhall - Add opt-in write limits: MEMORY_MAX_ENTITIES, MEMORY_MAX_RELATIONS and MEMORY_MAX_FILE_BYTES cap how large the write tools may grow the graph, and the README now documents that every write rewrites the whole memory file.

Patch Changes

• #5530 37bff57 @cliffhall - Remove the memory file lock the server holds when it is stopped by SIGINT or SIGTERM, or exits, so the next writer does not wait for it to go stale.

@modelcontextprotocol/server-sequential-thinking@2.2.0

Minor Changes

• #5536 311c0fd @cliffhall - Serve Streamable HTTP as well as stdio (#576). --transport streamable-http serves the server on one /mcp endpoint, for 2026-07-28 and 2025-era clients alike, at HOST:PORT (127.0.0.1:3001 by default); stdio stays the default. Over HTTP the filesystem server requires its allowed directories on the command line, since it cannot ask a client for its Roots, and the sequential-thinking history belongs to the server process rather than to one connection.

Patch Changes

• #5535 a5c60fa @cliffhall - Count the thought box's header rows toward its 1000-row cap, so a long branchId can no longer draw past it on stderr: line breaks in a branchId are shown as \r and \n, and a header too long for the cap is cut with a row saying how many characters it left out (#5526).