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fix: resolve MiniMax 401 auth error by defaulting to anthropic_messages (#2103)

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MiniMax's default base URL was /v1 which caused runtime_provider to
default to chat_completions mode (OpenAI-style Authorization: Bearer
header). MiniMax rejects this with a 401 because they require the
Anthropic-style x-api-key header.

Changes:
- auth.py: Change default inference_base_url for minimax and minimax-cn
  from /v1 to /anthropic
- runtime_provider.py: Auto-correct stale /v1 URLs from existing .env
  files to /anthropic, and always default minimax/minimax-cn providers
  to anthropic_messages mode
- Update tests to reflect new defaults, add tests for stale URL
  auto-correction and explicit api_mode override

Based on PR #2100 by @devorun. Fixes #2094.

Co-authored-by: Test <test@test.com>
This commit is contained in:
Teknium 2026-03-19 17:47:05 -07:00 • committed by GitHub
parent 4c0c7f4c6e
commit 6bcec1ac25
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4 changed files with 56 additions and 9 deletions
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4
hermes_cli/auth.py
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@ -145,7 +145,7 @@ PROVIDER_REGISTRY: Dict[str, ProviderConfig] = {
id="minimax",
name="MiniMax",
auth_type="api_key",
inference_base_url="https://api.minimax.io/v1",
inference_base_url="https://api.minimax.io/anthropic",
api_key_env_vars=("MINIMAX_API_KEY",),
base_url_env_var="MINIMAX_BASE_URL",
),
@ -168,7 +168,7 @@ PROVIDER_REGISTRY: Dict[str, ProviderConfig] = {
id="minimax-cn",
name="MiniMax (China)",
auth_type="api_key",
inference_base_url="https://api.minimaxi.com/v1",
inference_base_url="https://api.minimaxi.com/anthropic",
api_key_env_vars=("MINIMAX_CN_API_KEY",),
base_url_env_var="MINIMAX_CN_BASE_URL",
),

6
hermes_cli/runtime_provider.py
View file

@ -387,6 +387,12 @@ def resolve_runtime_provider(
# (e.g. https://api.minimax.io/anthropic, https://dashscope.../anthropic)
elif base_url.rstrip("/").endswith("/anthropic"):
api_mode = "anthropic_messages"
# MiniMax providers always use Anthropic Messages API.
# Auto-correct stale /v1 URLs (from old .env or config) to /anthropic.
elif provider in ("minimax", "minimax-cn"):
api_mode = "anthropic_messages"
if base_url.rstrip("/").endswith("/v1"):
base_url = base_url.rstrip("/")[:-3] + "/anthropic"
return {
"provider": provider,
"api_mode": api_mode,