How do I install the loki mcp server?

Use a recorded configuration for your client, replace example credential values and paths, and verify the documented runtime. Restart or reconnect the client, then inspect the available tools.

What credentials does it need?

It reads `LOKI_ADDR`, `LOKI_TENANT_ID`, `LOKI_BEARER_TOKEN`, `LOKI_ORG_ID`, `LOKI_CONFIG_PATH` from the environment. Store these in your client's env block or a secrets manager — never commit them to a repository — and grant the narrowest scope that still covers your use case.

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Loki MCP Server

MCP server for querying Loki logs via logcli

Local serverstdioTypeScript

What is the Loki MCP Server?

MCP server for querying Loki logs via logcli

What you get

Loki MCP Server is a Model Context Protocol (MCP) interface for querying Grafana Loki logs using logcli. The server enables AI assistants to access and analyze log data from Loki directly.

Query Loki logs with full LogQL support
Get label values and metadata
Authentication and configuration support via environment variables or config files
Provides formatted results in different output formats (default, raw, JSON lines)
Automatic fallback to HTTP API when logcli is not available in the environment

Configuration and credentials

Node.js v16 or higher - TypeScript - (Optional) Grafana Loki logcli installed and accessible in your PATH. If logcli is not available, the server will automatically use the Loki HTTP API instead - Access to a Loki server instance

More MCP options

Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.

Maintainer setup documentation.

Configuration

Node.js v16 or higher - TypeScript - (Optional) Grafana Loki logcli installed and accessible in your PATH. If logcli is not available, the server will automatically use the Loki HTTP API instead - Access to a Loki server instance

Variable	Description	Required
LOKI_ADDR	Configuration value read at startup.	Optional
LOKI_TENANT_ID	Configuration value read at startup.	Optional
LOKI_BEARER_TOKEN	Credential the server authenticates with.	Yes
LOKI_ORG_ID	Configuration value read at startup.	Optional
LOKI_CONFIG_PATH	Filesystem location the server is allowed to use.	Optional

Frequently asked questions

MCP server for querying Loki logs via logcli Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.

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