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[Server] Add configurable session garbage collection

ServerIssues & PRs related to the Server componentIssues & PRs related to the Server component

Status: Open (in progress).

modelcontextprotocol/php-sdknumber 258

#258 In modelcontextprotocol/php-sdk;

· chr-hertel opened on Mar 10, 2026

[Server] Add DNS rebinding protection feature with middleware

improves spec complianceImproves consistency with other SDKs such as TyepScriptImproves consistency with other SDKs such as TyepScript

ServerIssues & PRs related to the Server componentIssues & PRs related to the Server component

Status: Open (in progress).

modelcontextprotocol/php-sdknumber 260

#260 In modelcontextprotocol/php-sdk;

· chr-hertel opened on Mar 10, 2026

[Server] Extract CORS handling into CorsMiddleware

breaking changeBreaking the Backwards Compatibility PromiseBreaking the Backwards Compatibility Promise

ServerIssues & PRs related to the Server componentIssues & PRs related to the Server component

Status: Open (in progress).

modelcontextprotocol/php-sdknumber 277

#277 In modelcontextprotocol/php-sdk;

· chr-hertel opened on Apr 11, 2026

[Schema] Add MCP Apps extension (io.modelcontextprotocol/ui) support

improves spec complianceImproves consistency with other SDKs such as TyepScriptImproves consistency with other SDKs such as TyepScript

needs more workNot ready to be merged yet, needs additional follow-up from the author(s).Not ready to be merged yet, needs additional follow-up from the author(s).

SchemaIssues & PRs related to the Schema componentIssues & PRs related to the Schema component

Status: Draft (not ready).

modelcontextprotocol/php-sdknumber 281

#281 In modelcontextprotocol/php-sdk;

· chr-hertel opened on Apr 11, 2026

[Server] Fix case sensitivity for http header

bugSomething isn't workingSomething isn't working

ServerIssues & PRs related to the Server componentIssues & PRs related to the Server component

Status: Open (in progress).

modelcontextprotocol/php-sdknumber 283

#283 In modelcontextprotocol/php-sdk;

· chr-hertel opened on Apr 11, 2026

[Server] Allow overriding the default file name pattern for Discovery

enhancementRequest for a new feature that's not currently supportedRequest for a new feature that's not currently supported

needs more workNot ready to be merged yet, needs additional follow-up from the author(s).Not ready to be merged yet, needs additional follow-up from the author(s).

ServerIssues & PRs related to the Server componentIssues & PRs related to the Server component

Status: Open (in progress).

modelcontextprotocol/php-sdknumber 292

#292 In modelcontextprotocol/php-sdk;

· johnhunt-lc opened on Apr 22, 2026

[Server] fix: clear() wiping dynamically registered tools by tracking discovered state on references

needs more workNot ready to be merged yet, needs additional follow-up from the author(s).Not ready to be merged yet, needs additional follow-up from the author(s).

ServerIssues & PRs related to the Server componentIssues & PRs related to the Server component

Status: Open (in progress).

modelcontextprotocol/php-sdknumber 251

#251 In modelcontextprotocol/php-sdk;

· soyuka opened on Mar 4, 2026

[Server] force the proper Content-type for the 202 response in createJsonResponse()

bugSomething isn't workingSomething isn't working

ServerIssues & PRs related to the Server componentIssues & PRs related to the Server component

Status: Open (in progress).

modelcontextprotocol/php-sdknumber 295

#295 In modelcontextprotocol/php-sdk;

· johnhunt-lc opened on Apr 29, 2026