Sigil
Sigil is an MCP server that helps AI assistants programmatic-advertising supply verification: ads.txt, schain, ATAP receipts, cross_lens_verify.
Key facts
- Category
- Developer Tools
- GitHub stars
- 0
- Forks
- 0
- License
- Apache-2.0
- Last commit
- Jul 15, 2026
- Best for
- connecting AI assistants to external tools
- Supported clients
- —
- Last updated
- Aug 2, 2026
GitHub metrics
- Stars
- 0
- Forks
- 0
- Open issues
- 0
- Watchers
- 0
- Last commit
- Jul 15, 2026
Scores
GEO score
30/100
Weighted blend: popularity 35%, freshness 25%, growth 25%, maintenance 15%.
Needs ~7 days of metric history
Scores last calculated Sep 11, 2026.
Benchmark summary
Benchmark
22
Install
unknown
Startup
unknown
Last tested
Unknown
Capabilities discovered: 0 tools, 0 resources, and 0 prompts.
What is Sigil?
Sigil is an MCP server that helps AI assistants programmatic-advertising supply verification: ads.txt, schain, ATAP receipts, cross_lens_verify. It belongs to the Developer Tools category. It is distributed under the Apache-2.0 license.
How to install Sigil
See the official documentation for installation instructions.
Sigil use cases
A general-purpose MCP server.
Safety notes
- Requires API token
- Unknown
- Writes to external systems
- Unknown
- Accesses local filesystem
- Unknown
- Connects to a database
- Unknown
- Security docs
- Unknown
Inferred by rule from each server's metadata, README, and category. "Unknown" means the signal could not be determined — always verify against the official docs before granting access.
Data sources
| Field | Value | Source | Confidence |
|---|---|---|---|
| Forks | 0 | GitHub REST API | high |
| Last commit | Jul 15, 2026 | GitHub REST API | high |
| License | Apache-2.0 | GitHub REST API | high |
| Stars | 0 | GitHub REST API | high |
| Topics | ad-verification, advertising, ai-agents, mcp, model-context-protocol | GitHub REST API | high |
| Watchers | 0 | GitHub REST API | high |
| Has Authentication Docs | Yes | Repository README | medium |
| Has Security Docs | No | Repository README | medium |
| Risk level | Low | Automated risk inference | medium |
| Requires Api Token | Yes | Automated risk inference | low |
| Uses Network Access | Yes | Automated risk inference | low |
| Writes External System | Yes | Automated risk inference | low |
Confidence reflects the source: high = GitHub REST API, medium = README-derived or synthesized, low = inferred from keywords. Fields that cannot be determined are shown as "Unknown" — never fabricated.
Recent changes
- Risk level: High → Low
- Last commit: Jul 15, 2026 → Jul 15, 2026
- Last commit: Jul 15, 2026 → Jul 15, 2026
- Last commit: Jul 15, 2026 → Jul 15, 2026
- Last commit: Jul 15, 2026 → Jul 15, 2026
Sigil alternatives
- Context7★ 61.9K · MIT · Sep 10, 2026
Another Developer Tools MCP server with similar use cases.
- GitHub MCP Server★ 32.9K · MIT · Sep 10, 2026
Another Developer Tools MCP server with similar use cases.
- MCP Registry Server★ 7.2K · license n/a · Sep 9, 2026
Another Developer Tools MCP server with similar use cases.
- strata★ 5.8K · Apache-2.0 · Jun 1, 2026
Another Developer Tools MCP server with similar use cases.
- Figma MCP Server★ 2K · license n/a · Sep 10, 2026
Another Developer Tools MCP server with similar use cases.
- ref-tools-ref-tools-mcp★ 1.2K · MIT · Jun 26, 2026
Another Developer Tools MCP server with similar use cases.
Sigil vs related MCP servers
| Server | Stars | Forks | License | Last commit |
|---|---|---|---|---|
| Sigil | 0 | 0 | Apache-2.0 | Jul 15, 2026 |
| Context7 | 61.9K | 3K | MIT | Sep 10, 2026 |
| GitHub MCP Server | 32.9K | 4.9K | MIT | Sep 10, 2026 |
| MCP Registry Server | 7.2K | 983 | — | Sep 9, 2026 |
Frequently asked questions
What is Sigil?
Sigil is an MCP server that helps AI assistants programmatic-advertising supply verification: ads.txt, schain, ATAP receipts, cross_lens_verify. It is categorized under Developer Tools.
What are good alternatives to Sigil?
Popular alternatives include Context7, GitHub MCP Server, MCP Registry Server, and strata.
Last updated