# Vigi-Sky (vigi-sky.fr)

Free tools that measure sky brightness, forecast aurorae and satellite passes, and analyse submitted UAP sighting reports.

- Atlas card: https://inite.ai/en/atlas/vigi-sky.fr
- Site: https://vigi-sky.fr
- For: Citizen sky observers and amateur astronomers who want tools to measure and report unusual lights in the sky.
- Categories: analytics
- Use 0/100 · alive 100/100

## Used for

- measure a light in the sky by azimuth
- submit an observation for review and analysis
- check whether a sky photo or video is authentic

## Price

Not read yet.

## For developers

- MCP server: fr.vigi-sky/vigisky (namespace; open on 2026-10-21, 24 tools)
- Read 2026-10-21

## MCP server, measured daily

Server: https://vigi-sky.fr/mcp, checked every day since 2026-10-21 (2 checks).

- Answered: measuring, 2 daily checks so far
- Median first answer: 696 ms
- Sign-in: none
- Context its tool definitions take: about 2252 tokens (24 tools)
- Tool definitions: A, 90/100
- Failing "params_described": 15 of 24 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-21

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Source: INITE Atlas, https://inite.ai/en/atlas/vigi-sky.fr. JSON: https://inite.ai/api/atlas/vigi-sky.fr. MCP: https://inite.ai/api/mcp (atlas_lookup).