fix: preserve custom paths in SSE endpoint URLs #466
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should we include those filing tests in this PR |
When an SSE client connects with a custom path (e.g., /api/v1/custom/sse), ensure the endpoint URL maintains the same base path structure but with /messages instead of /sse. This fixes issues where custom endpoints were getting collapsed to the root path. Should fix issues reported in modelcontextprotocol/inspector#313 and #296 Tests demonstrating the issue were added in PR #439 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <[email protected]>
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@ihrpr brought the tests over - note, dropped the change to package-lock.json |
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Summary
When an SSE client connects with a custom path (e.g.,
/api/v1/custom/sse), ensure the endpoint URL maintains the same base path structure but with/messagesinstead of/sse. This fixes issues where custom endpoints were getting collapsed to the root path.Problem
The SSE client was not preserving custom paths when constructing endpoint URLs. When a client connected to a server at a custom path like
/api/v1/custom/sse, the endpoint URL would be constructed without preserving the custom path, resulting in POST requests being sent to/messagesinstead of/api/v1/custom/messages.Solution
Modified the endpoint event handler in the SSE client to:
/ssesuffix)/messagessuffixTesting
This PR makes the failing tests from #439 pass. The tests verify that:
Related Issues
Test Plan
🤖 Generated with Claude Code