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Mcpjungle currently has a few limitations to be aware of. We’re actively working on some of these to address them as quickly as possible.

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OAuth for upstream authentication

Mcpjungle does not yet support OAuth flows for upstream MCP server authentication. Today, the supported model is static credentials such as:
  • bearer tokens
  • explicit custom headers
  • environment variables (for stdio servers)
We’re working on adding complete support for these in the coming weeks.

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OAuth, SSO and OIDC for downstream clients

Mcpjungle also does not yet support OAuth, single sign-on, or OpenID Connect for downstream clients connecting to the Mcpjungle gateway itself. Today, the supported model for downstream client authentication is a static access token. Clients can use either:
  • auto-generated tokens created by Mcpjungle
  • custom tokens supplied by operators
If you want stronger external control over token lifecycle, you can manage custom tokens outside Mcpjungle using tools such as Vault or AWS KMS and then supply those tokens to Mcpjungle clients. We’re working on adding complete support for these in the coming weeks.

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Prompts & Resources in Tool Groups

Prompts and Resources are not currently exposed through Tool Group endpoints. The main gateway endpoint /mcp can surface everything. But group-specific endpoints work well with tools only.

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MCPs and Groups in enterprise mode

In enterprise mode, only administrators can add MCP servers and create Tool Groups at the moment. Normal users cannot yet do this.