# Sigil

> Programmatic-advertising supply verification: ads.txt, schain, ATAP receipts, crosslensverify.

## Facts
- Page: https://tashan.sh/capability/registry-ai-tunnelmind-sigil
- tashan id: registry:ai.tunnelmind/sigil
- Source: https://github.com/TunnelMind/sigil-mcp
- Type: remote
- Category: security
- tashan score: not scored (catalogued only — too little public evidence)
- Adoption: not measured
- Upkeep: not measured
- Freshness: 80.0
- Evidence coverage: 47% of the inputs this score can use
- Health: abandoned
- Instruction depth: not yet graded
- GitHub stars: 0
- License: Apache-2.0
- Official: no

## Security audit
Not scanned. We audit npm-published capabilities; this one has no npm package we can resolve, or has not reached the queue. This is not a clean bill of health.

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Measured 2026-09-13 by tashan (https://tashan.sh) from public evidence. Scorer s5.