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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial
One change · api

mcp-connector changedagents-and-tools/mcp-connector

Nearest release: v2.1.308, published 2 hours after this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

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First seen 14 Aug 2026 this site's first read of the page
Recorded edits32to this page, all time

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498498 
499499### MCP tool use block
500500 
501```json
501```text wrap
502502{
503503 "type": "mcp_tool_use",
504504 "id": "mcptoolu_014Q35RayjACSWkSj4X2yov1",
from line 510
510510 
511511### MCP tool result block
512512 
513```json
513```text wrap
514514{
515515 "type": "mcp_tool_result",
516516 "tool_use_id": "mcptoolu_014Q35RayjACSWkSj4X2yov1",
from line 530
530530 
531531When the API asks an MCP server for its tools while producing a response, the response starts with an `mcp_tool_listing` block for that server, one block for each server it asked:
532532 
533```json
533```text wrap
534534{
535535 "type": "mcp_tool_listing",
536536 "mcp_server_name": "example-mcp",
from line 1996
19961996 
199719971. **New beta header:** Change from `mcp-client-2025-04-04` to `mcp-client-2025-11-20`.
199819982. **Tool configuration moved:** Tool configuration now lives in the `tools` array as MCPToolset objects, not in the MCP server definition.
19993. **More flexible configuration:** New pattern supports allowlisting, denylisting, and per-tool configuration.
19993. **More flexible configuration:** The new pattern supports allowlisting, denylisting, and per-tool configuration.
20002000 
20012001### Migration steps
20022002 
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