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feat(mcp): add streamable HTTP and stdio (#1911)

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* feat(mcp): add streamable HTTP

alongside with frontend UI change, w/ support for stdio

* fix(mcp): address copilot reviews

* Update src/langbot/pkg/provider/tools/loaders/mcp.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* fix: resolve copilot reviews

* fix: Message -> MessageChunk

* feat: upgrade mcp module

* feat: add i18n

* feat(mcp): enhance MCPCardComponent with mode badge and reorder select items in MCPFormDialog

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: WangCham <651122857@qq.com>
Co-authored-by: Junyan Qin (Chin) <rockchinq@gmail.com>
This commit is contained in:
Tiankai Ma
2026-01-13 13:50:06 +08:00
committed by GitHub
parent a332206ba3
commit 1fc5e75f93
11 changed files with 488 additions and 145 deletions
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12
src/langbot/pkg/provider/runners/localagent.py
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@@ -215,16 +215,24 @@ class LocalAgentRunner(runner.RequestRunner):
parameters = json.loads(func.arguments)
func_ret = await self.ap.tool_mgr.execute_func_call(func.name, parameters, query=query)
# Handle return value content
tool_content = None
if isinstance(func_ret, list) and len(func_ret) > 0 and isinstance(func_ret[0], provider_message.ContentElement):
tool_content = func_ret
else:
tool_content = json.dumps(func_ret, ensure_ascii=False)
if is_stream:
msg = provider_message.MessageChunk(
role='tool',
content=json.dumps(func_ret, ensure_ascii=False),
content=tool_content,
tool_call_id=tool_call.id,
)
else:
msg = provider_message.Message(
role='tool',
content=json.dumps(func_ret, ensure_ascii=False),
content=tool_content,
tool_call_id=tool_call.id,
)