@tanstack/ai-mcp/dist/esm/events/errors-map.js

Host-side Model Context Protocol client for TanStack AI: discover and run MCP server tools, resources, and prompts in any adapter's chat() loop, with generated end-to-end types.

import { MCPEventRequestError } from "../errors.js";
import { isRecord } from "./value.js";
import { ProtocolError } from "@modelcontextprotocol/client";
//#region src/events/errors-map.ts
var KIND_BY_CODE = {
	[-32602]: "invalid-params",
	[-32023]: "not-found",
	[-32024]: "forbidden",
	[-32025]: "resource-exhausted",
	[-32026]: "unsupported",
	[-32027]: "callback-endpoint"
};
function redactData(data) {
	if (!isRecord(data)) return data;
	const { secret: _secret, ...rest } = data;
	return rest;
}
function looksLikeSecret(text) {
	return text.includes("whsec_");
}
/**
* Map a ProtocolError from an `events/*` call to `MCPEventRequestError`.
* Other values pass through unchanged.
*/
function toMCPEventRequestError(err) {
	if (!(err instanceof ProtocolError)) return err;
	const kind = KIND_BY_CODE[err.code] ?? "unknown";
	const data = redactData(err.data);
	const reason = isRecord(err.data) && typeof err.data.reason === "string" ? err.data.reason : void 0;
	const rawMessage = err.message;
	const message = looksLikeSecret(rawMessage) ? `MCP events request failed (${kind})` : rawMessage;
	return new MCPEventRequestError(message, err.code, kind, reason, data, err);
}
function isMethodNotFound(err) {
	return err instanceof ProtocolError && err.code === -32601;
}
//#endregion
export { isMethodNotFound, toMCPEventRequestError };

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