VASTlint MCP server
Validate VAST, VMAP, and DAAST ad tags against IAB specs. 232 rules, pure Rust core.
B75/100grade B
Adoption
Growing
18 stars
Reviews
Write oneNobody has reviewed VASTlint yet.
If you have run it, two minutes of your experience saves the next person an afternoon.
VASTlint tools
Tool list not cached yet. `describe` through the gateway fetches it live.
Public scan report
scanner v0.1.5 · 2026-09-19 · same rubric, same numbers if you re-run it
no findings
- –Code scanpackage could not be scannedn/a
- Live reliabilityremote reachable in 10319ms; handshake note: MCP handshake timed out after 10000ms12/20
- –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
- Auth qualityopen endpoint, read-only tools10/15
- Maintenancelast push 2 days ago15/15
- Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 75/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON
Install directly
claude mcp add --transport http vastlint https://vastlint.org/mcp
VASTlint: common questions
- Is VASTlint MCP server safe?
- Mostly: it is graded B (75/100). Read the VASTlint safety report
- How do I install VASTlint?
- It runs remotely at vastlint.org. Add it to Claude Code, Claude Desktop or Cursor with the snippets above, or call it through the mcp.market gateway without installing anything.
- Does VASTlint need an API key?
- Not as far as the registry entry and our scan can tell: no credentials are declared or required.
- Is VASTlint maintained?
- The last commit was 3 days ago (2026-09-17). The latest release is v0.13.9.
- Is VASTlint up?
- 100% of our last 6 checks got an answer. We check remote servers about four times a day.