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Introduce multi-tenant support for OAuthProxy

authRelated to authentication (Bearer, JWT, OAuth, WorkOS) for client or server.Related to authentication (Bearer, JWT, OAuth, WorkOS) for client or server.

featureMajor new functionality. Reserved for 2-4 significant PRs per release. Not for issues.Major new functionality. Reserved for 2-4 significant PRs per release. Not for issues.

Status: Open.

#1802 In jlowin/fastmcp;

· dacamposol opened on Sep 10, 2025

Consolidate Logging and StructuredLogging Middleware

enhancementImprovement to existing functionality. For issues and smaller PR improvements.Improvement to existing functionality. For issues and smaller PR improvements.

serverRelated to FastMCP server implementation or server-side functionality.Related to FastMCP server implementation or server-side functionality.

Status: Open.

#1801 In jlowin/fastmcp;

· strawgate opened on Sep 10, 2025

OAuth: RuntimeError: Unexpected authorization response: 200

bugSomething isn't working. Reports of errors, unexpected behavior, or broken functionality.Something isn't working. Reports of errors, unexpected behavior, or broken functionality.

Status: Open.

#1798 In jlowin/fastmcp;

· delatt opened on Sep 9, 2025

FastMCP connected with Fast API results 400 error

bugSomething isn't working. Reports of errors, unexpected behavior, or broken functionality.Something isn't working. Reports of errors, unexpected behavior, or broken functionality.

clientRelated to the FastMCP client SDK or client-side functionality.Related to the FastMCP client SDK or client-side functionality.

httpRelated to HTTP transport, networking, or web server functionality.Related to HTTP transport, networking, or web server functionality.

serverRelated to FastMCP server implementation or server-side functionality.Related to FastMCP server implementation or server-side functionality.

Status: Open.

#1797 In jlowin/fastmcp;

· shanalikhan opened on Sep 9, 2025

Further allow configuring FastMCP through environment variables

enhancementImprovement to existing functionality. For issues and smaller PR improvements.Improvement to existing functionality. For issues and smaller PR improvements.

Status: Open.

#1795 In jlowin/fastmcp;

· jvdmr opened on Sep 9, 2025

OAuth with GoogleProvider fails when connecting MCP server to ChatGPT or Claude connectors because of scopes

authRelated to authentication (Bearer, JWT, OAuth, WorkOS) for client or server.Related to authentication (Bearer, JWT, OAuth, WorkOS) for client or server.

bugSomething isn't working. Reports of errors, unexpected behavior, or broken functionality.Something isn't working. Reports of errors, unexpected behavior, or broken functionality.

serverRelated to FastMCP server implementation or server-side functionality.Related to FastMCP server implementation or server-side functionality.

Status: Open.

#1794 In jlowin/fastmcp;

· alexeymaelys opened on Sep 9, 2025

Change FastMCP logger namespace from "FastMCP" to "fastmcp"

enhancementImprovement to existing functionality. For issues and smaller PR improvements.Improvement to existing functionality. For issues and smaller PR improvements.

Status: Open.

#1790 In jlowin/fastmcp;

· jlowin opened on Sep 8, 2025

No way to send custom headers in claude_desktop_config.json

authRelated to authentication (Bearer, JWT, OAuth, WorkOS) for client or server.Related to authentication (Bearer, JWT, OAuth, WorkOS) for client or server.

clientRelated to the FastMCP client SDK or client-side functionality.Related to the FastMCP client SDK or client-side functionality.

enhancementImprovement to existing functionality. For issues and smaller PR improvements.Improvement to existing functionality. For issues and smaller PR improvements.

Status: Open.

#1789 In jlowin/fastmcp;

· jigarvyasidea opened on Sep 8, 2025

Prune titles from OutputSchema

enhancementImprovement to existing functionality. For issues and smaller PR improvements.Improvement to existing functionality. For issues and smaller PR improvements.

Status: Open.

#1782 In jlowin/fastmcp;

· strawgate opened on Sep 7, 2025

Cached client oauth tokens aren't being sent in subsequent requests

authRelated to authentication (Bearer, JWT, OAuth, WorkOS) for client or server.Related to authentication (Bearer, JWT, OAuth, WorkOS) for client or server.

bugSomething isn't working. Reports of errors, unexpected behavior, or broken functionality.Something isn't working. Reports of errors, unexpected behavior, or broken functionality.

clientRelated to the FastMCP client SDK or client-side functionality.Related to the FastMCP client SDK or client-side functionality.

Status: Open.

#1764 In jlowin/fastmcp;

· JonZeolla opened on Sep 5, 2025

OAuthProxy on 2.12.2 doesn't find dynamic client_id upon <code>authorize</code>

authRelated to authentication (Bearer, JWT, OAuth, WorkOS) for client or server.Related to authentication (Bearer, JWT, OAuth, WorkOS) for client or server.

bugSomething isn't working. Reports of errors, unexpected behavior, or broken functionality.Something isn't working. Reports of errors, unexpected behavior, or broken functionality.

Status: Open.

#1762 In jlowin/fastmcp;

· sornon1 opened on Sep 5, 2025

Provide an option to *not* generate content when structured content is returned

enhancementImprovement to existing functionality. For issues and smaller PR improvements.Improvement to existing functionality. For issues and smaller PR improvements.

serverRelated to FastMCP server implementation or server-side functionality.Related to FastMCP server implementation or server-side functionality.

Status: Open.

#1755 In jlowin/fastmcp;

· jlowin opened on Sep 5, 2025