# Observe agents on Tor (onionlens.org)

Python middleware that logs automated requests to an onion service in local SQLite and correlates fetches with canary callbacks.

- Atlas card: https://inite.ai/en/atlas/onionlens.org
- Site: https://onionlens.org
- For: Researchers and onion-service operators studying how AI agents visit Tor hidden services
- Categories: dev
- Use 0/100 · alive 100/100

## Used for

- Run a sensor to record AI agent visits
- Validate v3 onion addresses without network requests
- Create labelled traces of observed agent behaviour

## Price

Not read yet.

## For developers

- OpenAPI: https://onionlens.org/openapi.json (3 paths)
- MCP server: org.onionlens/tor-tools (namespace; open on 2026-10-28, 3 tools)
- Read 2026-10-28

## MCP server, measured daily

Server: https://onionlens.org/mcp, checked every day since 2026-10-28 (6 checks).

- Answered: measuring, 6 daily checks so far
- Median first answer: 222 ms
- Sign-in: none
- Context its tool definitions take: about 171 tokens (3 tools)
- Tool definitions: B, 78/100
- Failing "params_described": 1 of 3 tools
- Failing "annotations": 3 of 3 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-28

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Source: INITE Atlas, https://inite.ai/en/atlas/onionlens.org. JSON: https://inite.ai/api/atlas/onionlens.org. MCP: https://inite.ai/api/mcp (atlas_lookup).