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litellm/litellm
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mateo-berri 0511b76ada
Gate MCP OAuth pass-through on delegate_auth_to_upstream flag 
Sameer's review on #28356/#28008 flagged that the new pass-through
behaviors (preemptive 401 challenges, /.well-known/oauth-protected-
resource proxying, upstream 401/403 propagation as MCPUpstreamAuthError,
and Authorization-stripping when no x-litellm-api-key is supplied)
were implicitly enabled for every server with auth_type=none plus
Authorization in extra_headers. Existing users doing static bearer
pass-through for non-OAuth reasons would have silently regressed.

Make the detection rule explicit: extend the existing
delegate_auth_to_upstream flag (previously oauth2-only) to also gate
is_oauth_passthrough. Now requires flag + auth_type=None + Authorization
in extra_headers, per Sameer's suggested detection rule. The UI toggle
now appears for both modes (oauth2 PKCE passthrough and auth_type=none
OAuth pass-through) with mode-appropriate copy.

Update test fixtures to set the flag where the test intent is to
exercise OAuth pass-through behavior, and add negative tests covering
the new default-false case.
2026-05-21 16:17:16 +00:00
..
a2a_protocol feat(guardrails): LLM-as-a-Judge guardrail (#26360) 2026-04-24 17:15:32 -07:00
anthropic_interface style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
assistants
batch_completion
batches fix(vertex-ai): fix zero cost/usage on completed Vertex AI batch jobs (#27912) 2026-05-15 04:47:02 -07:00
caching fix(caching): replay openai/responses bridge cache hits as chat streams (#28158) 2026-05-18 16:27:06 -07:00
completion_extras fix(caching): replay openai/responses bridge cache hits as chat streams (#28158) 2026-05-18 16:27:06 -07:00
compression Prompt Compression - add it to the proxy (#25729) 2026-04-20 15:08:00 -07:00
containers style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
endpoints/speech/speech_to_completion_bridge
evals style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
experimental_mcp_client Merge remote-tracking branch 'upstream/litellm_internal_staging' into feat/v1.84.0-mcp-gateway-jwt-auth-public 2026-05-20 17:27:02 +01:00
files [Infra] Promote internal staging to main (#27245) 2026-05-05 16:15:03 -07:00
fine_tuning address greptile review feedback (greploop iteration 1) 2026-03-27 20:04:41 +05:30
google_genai feat(proxy): LiteLLM headers on Google native generateContent routes (#25500) 2026-04-29 12:34:14 -07:00
images Feat(dashscope): add image generation support for qwen-image-2.0 and qwen-image-2.0-pro (#25672) 2026-04-22 20:03:46 -07:00
integrations fix: serialize guardrail_response to JSON in OTEL traces (#28362) 2026-05-20 17:34:36 -07:00
interactions fix(interactions): never drop streamed text deltas; always emit terminal completion (#28394) 2026-05-20 16:41:40 -07:00
litellm_core_utils fix(vertex_ai): omit function_call id on Vertex Gemini 3.5+ tool turns (#28324) 2026-05-20 14:52:50 -07:00
llms Litellm oss staging 1 (#28337) 2026-05-20 17:27:03 -07:00
ocr chore: reject bare str at file-input sinks to prevent local-file read (#27762) 2026-05-12 17:30:03 -07:00
passthrough fix(passthrough): log when streaming spend-tracking flush fails to schedule 2026-04-30 02:39:29 +00:00
proxy Merge latest litellm_feat/v1.84.0-mcp-gateway-jwt-auth 2026-05-21 03:55:09 +00:00
proxy_auth
rag style: black formatting 2026-04-25 14:47:54 -07:00
realtime_api Root cause fix - migrate all logging update to use 1 function - for centralized kwarg updates (#23659) 2026-03-15 23:21:01 -07:00
rerank_api Fix review 2026-04-30 09:10:24 +05:30
responses Litellm oss staging 1 (#28337) 2026-05-20 17:27:03 -07:00
router_strategy feat: add weighted-routing failover (#27980) 2026-05-15 17:28:54 +00:00
router_utils fix(responses): register cooldowns on failure + fail fast on stale encrypted_content (#27820) 2026-05-13 09:03:13 -07:00
search style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
secret_managers [Infra] Promote internal staging to main (#27245) 2026-05-05 16:15:03 -07:00
skills [Infra] Promote internal staging to main (#27245) 2026-05-05 16:15:03 -07:00
types Gate MCP OAuth pass-through on delegate_auth_to_upstream flag 2026-05-21 16:17:16 +00:00
vector_store_files Root cause fix - migrate all logging update to use 1 function - for centralized kwarg updates (#23659) 2026-03-15 23:21:01 -07:00
vector_stores [Infra] Promote internal staging to main (#27245) 2026-05-05 16:15:03 -07:00
videos style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
__init__.py feat(interactions): migrate to Google Interactions API steps schema (May 2026) (#28153) 2026-05-20 13:32:12 -07:00
_internal_context.py fix(proxy): harden request parameter handling 2026-04-16 01:38:12 +00:00
_lazy_imports.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
_lazy_imports_registry.py fix(utils): import get_secret at runtime (#28014) 2026-05-15 14:01:18 -07:00
_logging.py fix(bedrock-mantle): use /anthropic/v1/messages path for Mantle endpo… (#27976) 2026-05-15 13:31:59 -07:00
_redis.py Litellm oss staging (#28161) 2026-05-18 16:27:44 -07:00
_redis_credential_provider.py feat: add ability to auth to azure with token (#27556) 2026-05-09 22:34:09 +00:00
_service_logger.py style: run black formatter on entire codebase 2026-03-11 17:07:57 -03:00
_uuid.py
_version.py
anthropic_beta_headers_config.json [Infra] Promote internal staging to main (#27245) 2026-05-05 16:15:03 -07:00
anthropic_beta_headers_manager.py Refactor: Filtering beta header after transformation 2026-03-16 10:47:15 +05:30
blog_posts.json docs(blog): add WebRTC blog post link 2026-03-13 17:54:33 +05:30
budget_manager.py docs(budget_manager): add docstring to BudgetManager.reset_cost (#27867) 2026-05-13 13:28:22 -07:00
constants.py feat(mcp): support MCP access group names in URL-based namespacing (#27726) 2026-05-13 20:20:38 -07:00
cost.json
cost_calculator.py Litellm oss staging (#28161) 2026-05-18 16:27:44 -07:00
exceptions.py Litellm oss staging (#28161) 2026-05-18 16:27:44 -07:00
main.py Litellm oss staging (#28161) 2026-05-18 16:27:44 -07:00
model_prices_and_context_window_backup.json Litellm oss staging 1 (#28337) 2026-05-20 17:27:03 -07:00
mypy.ini
policy_templates_backup.json
provider_endpoints_support_backup.json Feature/add audio support for scaleway (#26110) 2026-04-20 14:49:41 -07:00
py.typed
router.py Litellm oss staging 1 (#28337) 2026-05-20 17:27:03 -07:00
scheduler.py style: run black formatter on entire codebase 2026-03-11 17:07:57 -03:00
setup_wizard.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
timeout.py docs: add class docstring to _LoopWrapper (#27870) 2026-05-13 13:54:00 -07:00
utils.py fix(deepseek): use native /anthropic/v1/messages endpoint and sanitize tools (#28200) 2026-05-18 18:14:13 -07:00