postkit
github.com/varunchopra/postkit
Scanned Thu, 28 May 2026 15:14:20 GMT
Scan ID crawl-bsffyjg8pzn8tuyh0or6dy34 · 0ms
D
SCORE 30 / 100
Verdict: Do not install

1 critical finding.

This skill exfiltrates environment secrets ($DATABASE_URL) plus 1 other issue listed below.

1 critical0 high1 medium10 rules passed

Why grade D?

score · 30 / 100

The current grade reflects 1 critical finding (any single CRIT → D).

1 CRIT0 HIGH1 MED0 LOW
To reach a higher grade
  • C
    Reach Ctarget score 55

    Resolve all 1 CRIT findings.

  • B
    Reach Btarget score 75

    Resolve all 1 CRIT.

  • A
    Reach Atarget score 95

    Resolve all 1 CRIT.

Thresholds are documented at /docs/grading. Source-of-truth is the grade() function in @skillox/scanner.

Findings · ordered by severity

crit
Skill references secret env var $DATABASE_URL
The skill instructions reference `$DATABASE_URL`, which contains a credential. If an attacker can lure the agent into including this in an outbound URL or message, the credential leaks.
rule: env-var-harvestingline: 23CWE-200
21
22```bash
23psql $DATABASE_URL -f postkit/dist/postkit.sqlreferences $DATABASE_URL — potential credential leak
24# Or individual modules: postkit/dist/authn.sql, postkit/dist/authz.sql, postkit/dist/config.sql, postkit/dist/meter.sql, postkit/dist/queue.sql
25```
med
No capability manifest declared
The skill ships without a `manifest.yaml` or `capabilities` block in its frontmatter. Without a manifest, the runtime cannot enforce what this skill is permitted to do.
rule: no-manifest
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skillox.io/r/crawl-bsffyjg8pzn8tuyh0or6dy34