github-featured/modelcontextprotocol--python-sdk

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Marcelo Trylesinski 2713b53b12

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Replace httpx and httpx-sse with httpx2 (#2972 )

Co-authored-by: Max Isbey <224885523+maxisbey@users.noreply.github.com>

2026-07-14 17:05:08 +01:00

mcp_sse_polling_client

Replace httpx and httpx-sse with httpx2 (#2972 )

2026-07-14 17:05:08 +01:00

pyproject.toml

chore: update author metadata to LF Projects (#1992 )

2026-02-04 11:01:33 +00:00

README.md

Add SSE polling support (SEP-1699) (#1654 )

2025-12-02 11:44:49 +00:00

README.md

MCP SSE Polling Demo Client

Demonstrates client-side auto-reconnect for the SSE polling pattern (SEP-1699).

Features

Connects to SSE polling demo server
Automatically reconnects when server closes SSE stream
Resumes from Last-Event-ID to avoid missing messages
Respects server-provided retry interval

Usage

# First start the server:
uv run mcp-sse-polling-demo --port 3000

# Then run this client:
uv run mcp-sse-polling-client --url http://localhost:3000/mcp

# Custom options:
uv run mcp-sse-polling-client --url http://localhost:3000/mcp --items 20 --checkpoint-every 5

Options

--url: Server URL (default: http://localhost:3000/mcp)
--items: Number of items to process (default: 10)
--checkpoint-every: Checkpoint interval (default: 3)
--log-level: Logging level (default: DEBUG)