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feat(workspace): add HTTP/SSE transport to a2a_mcp_server #791

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infra-runtime-be wants to merge 1 commits from fix/a2a-mcp-server-http-transport into main
pull from: fix/a2a-mcp-server-http-transport
merge into: molecule-ai:main
Conversation 2 Commits 1 Files Changed 1 +148 -7

1 Commits

Author SHA1 Message Date
Molecule AI Infra-Runtime-BE
b9b75b1bc6 feat(workspace): add HTTP/SSE transport to a2a_mcp_server
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Port HTTP/SSE transport (from workspace-runtime PR #16) to the
canonical monorepo source. This enables the Hermes MCP-native runtime
to communicate with the A2A platform tools via HTTP/SSE instead of
stdio.

Changes:
- Add _run_http_server(port) async function using starlette + uvicorn
- POST /mcp: receive JSON-RPC requests, return JSON or queue for SSE
- GET /mcp/stream: SSE stream for push-based responses
- GET /health: returns {"ok": true, "transport": "http+sse", "port": N}
- cli_main() now accepts (transport, port) params for dual-mode startup
- argparse added to __main__ guard for CLI: --transport stdio|http, --port N

uvicorn/starlette are lazy-imported inside _run_http_server() so the
stdio path (the common case) doesn't fail if they're not installed.

Closes #16 (workspace-runtime) — fix now goes through monorepo.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-05-13 04:30:47 +00:00