55 lines
2.1 KiB
Python
55 lines
2.1 KiB
Python
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"""
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Copyright 2024-2026 ReplyPier
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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"""Remote MCP connection params that honour OUTBOUND_URL_POLICY at connect
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time. agno's MCPTools passes its params dataclass to the mcp SDK's
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sse_client / streamablehttp_client as keyword arguments, so adding an
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``httpx_client_factory`` field is how the SDK's httpx client (and the
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redirects it follows) gets the address guard."""
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from dataclasses import dataclass
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from typing import Callable, Tuple, Type
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from agno.tools.mcp import SSEClientParams, StreamableHTTPClientParams
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from app.core.outbound_http import guarded_async_http_client
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from app.core.outbound_policy import public_only
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def guarded_mcp_http_client(headers=None, timeout=None, auth=None):
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"""The mcp SDK's httpx_client_factory, dialling only vetted public
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addresses. Redirects stay on, as in the SDK's default factory."""
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return guarded_async_http_client(
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headers=headers, timeout=timeout, auth=auth, follow_redirects=True
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)
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@dataclass
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class PinnedSSEClientParams(SSEClientParams):
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httpx_client_factory: Callable = guarded_mcp_http_client
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@dataclass
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class PinnedStreamableHTTPClientParams(StreamableHTTPClientParams):
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httpx_client_factory: Callable = guarded_mcp_http_client
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def remote_params_classes() -> Tuple[Type[SSEClientParams], Type[StreamableHTTPClientParams]]:
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"""The (SSE, streamable-HTTP) params classes for the current policy;
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agno's own, untouched, under "any"."""
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if public_only():
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return PinnedSSEClientParams, PinnedStreamableHTTPClientParams
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return SSEClientParams, StreamableHTTPClientParams
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