Query logs from Graylog: get streams, search messages, aggregate, and get full data.
Connect Runs on your machine
claude mcp add graylog-mcp -e GRAYLOG_BASE_URL_INSTANCE_1=<GRAYLOG_BASE_URL_INSTANCE_1> -e GRAYLOG_API_TOKEN_INSTANCE_1=<GRAYLOG_API_TOKEN_INSTANCE_1> -e GRAYLOG_LABEL_INSTANCE_1=<GRAYLOG_LABEL_INSTANCE_1> -- npx -y @jperelli/[email protected]{
"mcpServers": {
"graylog-mcp": {
"command": "npx",
"args": [
"-y",
"@jperelli/[email protected]"
],
"env": {
"GRAYLOG_BASE_URL_INSTANCE_1": "<GRAYLOG_BASE_URL_INSTANCE_1>",
"GRAYLOG_API_TOKEN_INSTANCE_1": "<GRAYLOG_API_TOKEN_INSTANCE_1>",
"GRAYLOG_LABEL_INSTANCE_1": "<GRAYLOG_LABEL_INSTANCE_1>"
}
}
}
}{
"mcpServers": {
"graylog-mcp": {
"command": "npx",
"args": [
"-y",
"@jperelli/[email protected]"
],
"env": {
"GRAYLOG_BASE_URL_INSTANCE_1": "<GRAYLOG_BASE_URL_INSTANCE_1>",
"GRAYLOG_API_TOKEN_INSTANCE_1": "<GRAYLOG_API_TOKEN_INSTANCE_1>",
"GRAYLOG_LABEL_INSTANCE_1": "<GRAYLOG_LABEL_INSTANCE_1>"
}
}
}
}{
"servers": {
"graylog-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@jperelli/[email protected]"
],
"env": {
"GRAYLOG_BASE_URL_INSTANCE_1": "<GRAYLOG_BASE_URL_INSTANCE_1>",
"GRAYLOG_API_TOKEN_INSTANCE_1": "<GRAYLOG_API_TOKEN_INSTANCE_1>",
"GRAYLOG_LABEL_INSTANCE_1": "<GRAYLOG_LABEL_INSTANCE_1>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
GRAYLOG_BASE_URL_INSTANCE_1Required | Base URL of the first Graylog instance, e.g. http://graylog.example.com:9000 |
GRAYLOG_API_TOKEN_INSTANCE_1Required, secret | API token for the first Graylog instance (used as the HTTP Basic username). |
GRAYLOG_LABEL_INSTANCE_1Optional | Optional human-readable label for the first instance (default: instance_1). |
Details
| Package | @jperelli/[email protected] (NPM, stdio) |
| First published | 17 Jul 2026 |
| Last updated | 17 Jul 2026 |
| Registry name | io.github.jperelli/graylog-mcp |
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