OAuth Update: Adding the Client Credentials & Token Exchange Grant Types #882
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…for-oauth-client-credentials Add OAuth client credentials grant
…mplement-client-credentials-support Fix auth registration for client credentials
…mentation-of-client-credentials-flow Refactor auth helper methods
Fix failing tests and pyright
…eerror-in-pytest-test-case Fix OAuth tests using async fixtures
Fix resumption token update logic
Add OAuth token exchange support
…change-implementation-for-test-failures Fix token exchange metadata tests
Reported-by: sachabaniassad
Fix pyright case issues in tests and example
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I would also like to see this review happen in a timely fashion. What can we do to help get 👀 on this? |
…credentials-grant-and-token-introspection-documen Update auth docs
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@ihrpr, I see you made some substantial changes to auth (your PR's regarding separating MCP servers into AS + RS using token verifiers & using resource indicators for the new auth spec). I've gone ahead and synced this fork up to work with the remote branch. Kindly waiting for this PR to be reviewed. |
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Motivation and Context
#881
In addition to adding the Client Credentials grant (from the issue linked above), I've also gone on to add the Token Exchange grant.
Reasoning for Token Exchange: Since the client credentials grant is for machine-to-machine authorization, I realized that there are times where the client machine (acting as an MCP Client) might have to make requests on behalf of an end-user to the MCP Server. With that being said, in the current implementation, this did not exist because there was no way to securely identify the end-user.
Now it does through Token Exchange.
How Has This Been Tested?
Added test cases (all pass), and also currently using in my own mcp server and client. Everything is working as intended.
Breaking Changes
None
Types of changes
Checklist
Additional context
No