feat(mcp-adapters): Add resource management methods and structured content support #9515
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… resources, and handling structured content and meta information - Implemented `listResources` and `listResourceTemplates` methods to retrieve resources and templates from specified servers. - Added `readResource` method for fetching resource content from a server. - Enhanced handling of structured content and meta information in tool results. - Updated tests to cover new resource management functionalities.
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Introduce resource management methods and support for structured content in mcp-adapters.
…content Add resource management and structured content support
christian-bromann
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Dec 12, 2025
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This is amazing 😍 Thank you!
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…ntent support (#9515) Co-authored-by: Christian Bromann <git@bromann.dev>
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Summary
This PR adds resource management capabilities and enhanced tool result parsing to the MCP adapters package, enabling better integration with MCP servers that expose resources and return structured content.
Changes
Resource Management
listResources()method to list available resources from MCP serverslistResourceTemplates()method to list resource templates with parameterized URIsreadResource()method to read resource content by URIMCPResource,MCPResourceTemplate,MCPResourceContentStructured Content and Metadata Support
structuredContentfrom MCP tool results_metafrom MCP tool resultsType Safety
ExtendedContentandExtendedArtifacttypes to properly handle structured content and metadataanytype assertions in favor of explicit type definitionsTesting
Breaking Changes
None. This is a purely additive change that maintains backward compatibility.
Example Usage
pescript
// List resources from all servers
const resources = await client.listResources();
// List resources from specific servers
const resources = await client.listResources("server1", "server2");
// Read a specific resource
const content = await client.readResource("server1", "mem://test.txt");
// Tool results now include structuredContent and _meta when available
const result = await tool.invoke({ input: "test" });
// result may contain structuredContent and meta information