Skip to content

feat: allow es8 server version #71

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Jun 10, 2025
Merged

feat: allow es8 server version #71

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
46 changes: 32 additions & 14 deletions index.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -7,13 +7,13 @@

import { z } from "zod";
import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import {
Client,
estypes,
ClientOptions,
import {
Client,
estypes,
ClientOptions,
Transport,
TransportRequestOptions,
TransportRequestParams
TransportRequestParams,
} from "@elastic/elasticsearch";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import fs from "fs";
Expand All @@ -22,7 +22,10 @@ import fs from "fs";
class CustomTransport extends Transport {
private readonly pathPrefix: string;

constructor(opts: ConstructorParameters<typeof Transport>[0], pathPrefix: string) {
constructor(
opts: ConstructorParameters<typeof Transport>[0],
pathPrefix: string
) {
super(opts);
this.pathPrefix = pathPrefix;
}
Expand Down Expand Up @@ -65,11 +68,14 @@ const ConfigSchema = z
.string()
.optional()
.describe("Path to custom CA certificate for Elasticsearch"),

pathPrefix: z

pathPrefix: z.string().optional().describe("Path prefix for Elasticsearch"),

version: z
.string()
.optional()
.describe("Path prefix for Elasticsearch"),
.transform((val) => (["8", "9"].includes(val || "") ? val : "9"))
.describe("Elasticsearch version (8, or 9)"),
})
.refine(
(data) => {
Expand Down Expand Up @@ -104,7 +110,8 @@ export async function createElasticsearchMcpServer(
config: ElasticsearchConfig
) {
const validatedConfig = ConfigSchema.parse(config);
const { url, apiKey, username, password, caCert, pathPrefix } = validatedConfig;
const { url, apiKey, username, password, caCert, version, pathPrefix } =
validatedConfig;

const clientOptions: ClientOptions = {
node: url,
Expand Down Expand Up @@ -140,6 +147,16 @@ export async function createElasticsearchMcpServer(
}
}

// Add version-specific configuration
if (version === "8") {
clientOptions.maxRetries = 5;
clientOptions.requestTimeout = 30000;
clientOptions.headers = {
accept: "application/vnd.elasticsearch+json;compatible-with=8",
"content-type": "application/vnd.elasticsearch+json;compatible-with=8",
};
}

const esClient = new Client(clientOptions);

const server = new McpServer({
Expand All @@ -158,11 +175,11 @@ export async function createElasticsearchMcpServer(
.min(1, "Index pattern is required")
.describe("Index pattern of Elasticsearch indices to list"),
},
async ( {indexPattern} ) => {
async ({ indexPattern }) => {
try {
const response = await esClient.cat.indices({
index: indexPattern,
format: "json"
const response = await esClient.cat.indices({
index: indexPattern,
format: "json",
});

const indicesInfo = response.map((index) => ({
Expand Down Expand Up @@ -456,6 +473,7 @@ const config: ElasticsearchConfig = {
username: process.env.ES_USERNAME || "",
password: process.env.ES_PASSWORD || "",
caCert: process.env.ES_CA_CERT || "",
version: process.env.ES_VERSION || "",
pathPrefix: process.env.ES_PATH_PREFIX || "",
};

Expand Down