python-sdk

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We should use init.py only for exporting symbols, as folks generally won't look there for implementation code.

dsp-ant

e.g., we could have mcp_python as just the base definitions, `mcp_python[stdio]`, `mcp_python[sse]`, etc.

dsp-ant

## Motivation and Context Fix an issue where exception handling code fails with `AttributeError: 'McpError' object has no attribute 'error'`. ``` | File ".../Development/mcp-python-sdk/src/mcp/client/session.py", line 114, in list_resources | return...

allenporter

Updates sampling to support embedded resources in requests and responses. ## Motivation and Context Brings sampling to parity with tool calls in terms of supported message types. This PR is...

LucaButBoring

feat: support audio content

3

Adds support for a distinct `AudioContent` type as defined in the specification. This happens to share a structure with `ImageContent`, but should probably be distinguished for parity with the specification...

LucaButBoring

Pytests give error on first run

1

**Describe the bug** Running the tests when you first clone the repo doesn't pass all the tests **To Reproduce** Steps to reproduce the behavior: 1. Fork the repo 2. Clone...

P116gif

FastMCP 2.5.1 does not recognize X-Session-ID header (MCP 1.9.1, minimal example)

4

I'm using MCP 1.9.1 and FastMCP 2.5.1. Even with the most minimal server, FastMCP always returns "Missing session ID", even though the header is sent correctly. **Minimal server code:** ```python...

dasafo

**Describe the bug** Testing [QuickStart](https://modelcontextprotocol.io/) client & server examples hang and doesn't proceed. **To Reproduce** 1. Ensure that the `client.py` from [For Client Developers](https://modelcontextprotocol.io/quickstart/client) & `server.py` from [For Server Developers](https://modelcontextprotocol.io/quickstart/server)...

JKChai

## Motivation and Context This implements the mitigations described [here](https://modelcontextprotocol.io/specification/2025-03-26/basic/transports#security-warning). To avoid breaking existing applications this doesn't enable any changes by-default, but enabling this feature is heavily encouraged for any...

ddworken

Fix uncaught exception in MCP server

4

## Motivation and Context This fixes an uncaught exception in the MCP server ## How Has This Been Tested? Via unit tests and locally. ## Breaking Changes None. ## Types...

ddworken