fix: whitelist /rpc endpoint for server-scoped tokens#2646
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crivetimihai merged 1 commit intomainfrom Feb 7, 2026
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Clean one-liner fix with a test. Server-scoped tokens need LGTM — ready to merge. |
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Signed-off-by: Shoumi <shoumimukherjee@gmail.com>
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crivetimihai
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crivetimihai
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Signed-off-by: Shoumi <shoumimukherjee@gmail.com>
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🐛 Bug-fix PR
📌 Summary
Server-scoped tokens cannot access the
/rpcendpoint, preventing SSE transport and WebSocket relay from functioning. This PR adds/rpcto the general endpoints whitelist to allow server-scoped tokens to make MCP protocol requests.🔗 Related Issue
Closes #2192
🐞 Root Cause
In
mcpgateway/middleware/token_scoping.py, the_check_server_restrictionfunction:/rpcmatches any server path pattern → NO/rpcis ingeneral_endpoints→ NO (not listed)False→ HTTP 403The
/rpcendpoint is a core JSON-RPC endpoint used for:/rpc)Without
/rpcin the whitelist, server-scoped tokens are denied access despite needing it for MCP protocol operations.💡 Fix Description
Added
/rpcto thegeneral_endpointslist inmcpgateway/middleware/token_scoping.py(line 328):