feat: update MCP quickstart for On-Behalf-Of Token Exchange#1053
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Updates the "Call Your API on a User's Behalf" quickstart to reflect the new On-Behalf-Of (OBO) Token Exchange implementation. JavaScript changes (PR #79): - Update sample folder: fastmcp-mcp-on-behalf-of-tokenexchange-js - Replace Custom Token Exchange with On-Behalf-Of terminology - Simplify environment variables (remove MCP_AUTH0_SUBJECT_TOKEN_TYPE) - Update token exchange: exchangeTokenOnBehalfOf() using getTokenOnBehalfOf() - Simplify MCP_AUTH0_EXCHANGE_SCOPE to "read:private" Python changes (PR #81): - Update sample folder: fastmcp-mcp-on-behalf-of-tokenexchange-python - Replace Custom Token Exchange with On-Behalf-Of terminology - Update token exchange: exchange_token_on_behalf_of() using get_token_on_behalf_of() Additional improvements: - Add rate limit note for Auth0 for AI Agents add-on - Add client grant configuration instructions - Add OBO token exchange enablement component - Update prerequisites with OBO-specific requirements Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Summary
Redirects per inputRedirects in auth4genai/mcp/get-started/call-your-apis-on-users-behalf.mdx
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priley86
reviewed
Apr 28, 2026
priley86
reviewed
Apr 28, 2026
priley86
reviewed
Apr 28, 2026
priley86
reviewed
Apr 28, 2026
priley86
previously approved these changes
Apr 28, 2026
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approved changes from this side, but please do defer until these quickstarts are merged. ty so much for this update @lrzhou25 ! 🙇 |
BcnCarlos
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Apr 30, 2026
BcnCarlos
previously approved these changes
Apr 30, 2026
This was referenced Apr 30, 2026
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BcnCarlos
approved these changes
Apr 30, 2026
agiannelli-auth0
approved these changes
Apr 30, 2026
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Summary
Updates the "Call Your API on a User's Behalf" MCP quickstart to reflect the new On-Behalf-Of (OBO) Token Exchange implementation, replacing the previous Custom Token Exchange approach.
Changes
JavaScript Updates (based on auth0-samples PR #79)
fastmcp-mcp-customtokenexchange-js→fastmcp-mcp-on-behalf-of-tokenexchange-jsMCP_AUTH0_SUBJECT_TOKEN_TYPEMCP_AUTH0_EXCHANGE_SCOPEfrom"openid offline_access read:private"to"read:private"API_BASE_URLtrailing slashexchangeCustomToken()→exchangeTokenOnBehalfOf()getTokenByExchangeProfile()→getTokenOnBehalfOf()AUTH0_AUDIENCEinstead ofAPI_AUTH0_AUDIENCEsubjectTokenTypeparameterPython Updates (based on auth0-samples PR #81)
fastmcp-mcp-customtokenexchange-python→fastmcp-mcp-on-behalf-of-tokenexchange-pythonexchange_custom_token()→exchange_token_on_behalf_of()get_token_by_exchange_profile()→get_token_on_behalf_of()AUTH0_AUDIENCEinstead ofAPI_AUTH0_AUDIENCEsubject_token_typeparameterAdditional Improvements
Files Changed
mcp/get-started/call-your-apis-on-users-behalf.mdx- Main quickstart pagesnippets/mcp/get-started/call-your-apis/create-env-file.mdx- Environment setupsnippets/mcp/get-started/call-your-apis/exchange-access-token-js.mdx- JavaScript explanationsnippets/mcp/get-started/call-your-apis/exchange-access-token-python.mdx- Python explanationsnippets/mcp/get-started/pre-reqs/enable-obo-token-exchange.mdx- New OBO enablement componentsnippets/mcp/get-started/pre-reqs/prerequisites.mdx- Updated prerequisitesTesting
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