A .NET tool for your terminal and your build pipeline. Tail and export log messages, create deployments and check an installation. Free on every plan.
AI overview › CLI
The elmah.io CLI is a .NET global tool. Use it to tail and export log messages, create deployments from your build pipeline, and check an installation. It is free and works on every plan.
The CLI requires .NET 10 or newer.
dotnet tool install --global Elmah.Io.Cli
elmahio login --apiKey API_KEYIn CI and other non-interactive places, skip login and set the ELMAHIO_API_KEY environment variable instead. Update later with dotnet tool update --global Elmah.Io.Cli.
| Command | What it does |
|---|---|
elmahio logs list, logs get | List your logs and get details for one. |
elmahio logs tail | Tail messages as they arrive in a log. |
elmahio logs export | Export messages to JSON or CSV for a date range, with an optional query. |
elmahio messages list-recent, list-frequent | List the newest or the most frequent messages in a log. |
elmahio messages count, get | Count messages that match a query, or get one message. |
elmahio messages create | Log a message from a script. |
elmahio deployments create, list | Tell elmah.io about a release, and list recent deployments. |
elmahio diagnose | Check an elmah.io installation for configuration problems. |
The message commands accept --json, so you can pipe the output into scripts.
Create a deployment at the end of a pipeline:
elmahio deployments create --version 1.0.0Export a week of messages as CSV:
elmahio logs export --logId LOG_ID --dateFrom 2026-08-21 --dateTo 2026-08-28 --format CsvFind the ten most frequent errors:
elmahio messages list-frequent --logId LOG_ID --count 10 --jsonThe CLI is an ordinary command-line tool, so an AI assistant that can run shell commands can use it too. For direct access from inside your editor, add the MCP server.
No. It is for terminals, scripts and CI. The dashboard, the MCP server and the REST API cover the same data.
The .NET 10 runtime or newer, and an API key with permission to run the commands you use.
No. The CLI is free and works on every plan.