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[Server] (Re-)Implement missing Notification & Request Handlers

help wantedContributions especially welcome if you have a good knowledge of the codebase and languageContributions especially welcome if you have a good knowledge of the codebase and language

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.

#9 In modelcontextprotocol/php-sdk;

· chr-hertel opened on Aug 29, 2025

[Schema][SEP-1319] Decouple Request Payload from RPC Methods Definition

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

Status: Open.

#138 In modelcontextprotocol/php-sdk;

· chr-hertel opened on Nov 7, 2025

[Schema][Server][SEP-1686] Tasks

help wantedContributions especially welcome if you have a good knowledge of the codebase and languageContributions especially welcome if you have a good knowledge of the codebase and language

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

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

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

Status: Open.

#139 In modelcontextprotocol/php-sdk;

· chr-hertel opened on Nov 7, 2025

Feature Request: Authentication Support Similar to FastMCP

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

Status: Open.

#154 In modelcontextprotocol/php-sdk;

· oleksandrkits opened on Nov 18, 2025

[Server][Schema] Implement SEP-1577: Sampling With Tools

help wantedContributions especially welcome if you have a good knowledge of the codebase and languageContributions especially welcome if you have a good knowledge of the codebase and language

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

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

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

Status: Open.

#155 In modelcontextprotocol/php-sdk;

· felixweinberger opened on Nov 19, 2025

[Schema] Support Multiple Versions of MCP Specification

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

needs designValid issue but needs maintainer alignment on design or approachValid issue but needs maintainer alignment on design or approach

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

Status: Open.

#14 In modelcontextprotocol/php-sdk;

· chr-hertel opened on Aug 29, 2025

[Server] Make Symfony Finder component optional

breaking changeBreaking the Backwards Compatibility PromiseBreaking the Backwards Compatibility Promise

dependenciesPull requests that update a dependency filePull requests that update a dependency file

good first issueGood for newcomers - can be tackled without deep knowledge of the codebaseGood for newcomers - can be tackled without deep knowledge of the codebase

help wantedContributions especially welcome if you have a good knowledge of the codebase and languageContributions especially welcome if you have a good knowledge of the codebase and language

Status: Open.

Task

#263 In modelcontextprotocol/php-sdk;

· chr-hertel opened on Mar 11, 2026