@cyanheads/pubmed-mcp-server
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Production-ready PubMed Model Context Protocol (MCP) server that empowers AI agents and research tools with comprehensive access to PubMed's article database. Enables advanced, automated LLM workflows for searching, retrieving, analyzing, and visualizing
72 lines • 3.41 kB
JavaScript
/**
* @fileoverview Registration for the pubmed_search_articles MCP tool.
* @module src/mcp-server/tools/pubmedSearchArticles/registration
*/
import { BaseErrorCode, McpError } from "../../../types-global/errors.js";
import { ErrorHandler, logger, requestContextService, } from "../../../utils/index.js";
import { PubMedSearchArticlesInputSchema, pubmedSearchArticlesLogic, } from "./logic.js";
/**
* Registers the pubmed_search_articles tool with the MCP server.
* @param server - The McpServer instance.
*/
export async function registerPubMedSearchArticlesTool(server) {
const operation = "registerPubMedSearchArticlesTool";
const toolName = "pubmed_search_articles";
const toolDescription = "Searches PubMed for articles using a query term and optional filters (max results, sort, date range, publication types). Uses NCBI ESearch to find PMIDs and ESummary (optional) for brief summaries. Returns a JSON object with search parameters, ESearch term, result counts, PMIDs, optional summaries, and E-utility URLs.";
const context = requestContextService.createRequestContext({ operation });
await ErrorHandler.tryCatch(async () => {
server.tool(toolName, toolDescription, PubMedSearchArticlesInputSchema.shape, async (input, mcpProvidedContext) => {
const richContext = requestContextService.createRequestContext({
parentRequestId: context.requestId,
operation: "pubmedSearchArticlesToolHandler",
mcpToolContext: mcpProvidedContext,
input,
});
try {
const result = await pubmedSearchArticlesLogic(input, richContext);
return {
content: [
{ type: "text", text: JSON.stringify(result, null, 2) },
],
isError: false,
};
}
catch (error) {
const handledError = ErrorHandler.handleError(error, {
operation: "pubmedSearchArticlesToolHandler",
context: richContext,
input,
rethrow: false,
});
const mcpError = handledError instanceof McpError
? handledError
: new McpError(BaseErrorCode.INTERNAL_ERROR, "An unexpected error occurred while searching PubMed articles.", {
originalErrorName: handledError.name,
originalErrorMessage: handledError.message,
});
return {
content: [
{
type: "text",
text: JSON.stringify({
error: {
code: mcpError.code,
message: mcpError.message,
details: mcpError.details,
},
}),
},
],
isError: true,
};
}
});
logger.notice(`Tool '${toolName}' registered.`, context);
}, {
operation,
context,
errorCode: BaseErrorCode.INITIALIZATION_FAILED,
critical: true,
});
}
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