Smello Server
A local web dashboard for inspecting outgoing and incoming HTTP requests, pytest results, logs, and exceptions captured by the smello client SDK.
Setup
pip install smello-server
smello-server
Or run with Docker:
docker run -p 127.0.0.1:5110:5110 ghcr.io/smelloscope/smello
The server listens at http://localhost:5110.
Then install the client SDK and run your code with Smello:
pip install smello
smello run my_app.py
Outgoing HTTP requests, pytest results, unhandled exceptions, and optional log records are captured automatically.
To capture tests, install the client with pip install "smello[pytest]". The bundled plugin supports pytest 7 and later.
See Debug pytest tests with Smello for a runnable example and dashboard walkthrough.
Calls to the OpenAI, Anthropic, and Gemini APIs render as a readable conversation in the dashboard, with the system prompt, tool calls, and token usage broken out. The raw JSON stays one tab away.
API
Smello Server provides a JSON API for exploring captured events from the command line.
# List all captured events (unified timeline)
curl -s http://localhost:5110/api/events | python -m json.tool
# Filter by event type (http, http_incoming, test, log, exception)
curl -s 'http://localhost:5110/api/events?event_type=exception'
# Filter by method, host, status, or full-text search
curl -s 'http://localhost:5110/api/events?method=POST&host=api.stripe.com'
# Filter by app or session
curl -s 'http://localhost:5110/api/events?app=myapp&session=debug-payment'
# Get full event details
curl -s http://localhost:5110/api/events/{id} | python -m json.tool
# Clear all events
smello clear
# Equivalent HTTP API call
curl -X DELETE http://localhost:5110/api/events
CLI Options
smello-server --host 0.0.0.0 --port 5110 --db-path /tmp/smello.db # LAN access
Event retention
Smello Server deletes events older than seven days when it starts and every hour after that. Set SMELLO_RETENTION_DAYS to a non-negative integer to change the retention period:
SMELLO_RETENTION_DAYS=30 smello-server
Set it to 0 to keep events indefinitely. The server rejects negative or malformed values at startup.
Requires
- Python >= 3.14
Links
1 maintainer
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