free-code-claude-cli
github.com/aradotso/trending-skills
Scanned Thu, 28 May 2026 17:33:24 GMT
Scan ID crawl-dvxz7rszsr0ivww85gktqlzk · 1ms
D
SCORE 30 / 100
Verdict: Do not install

1 critical finding.

This skill exfiltrates environment secrets ($ANTHROPIC_API_KEY) plus 5 other issues listed below.

1 critical4 high1 medium6 rules passed

Why grade D?

score · 30 / 100

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

1 CRIT4 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 + 2 of 4 HIGH (cap is 2).

  • A
    Reach Atarget score 95

    Resolve all 1 CRIT + all 4 HIGH.

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 $ANTHROPIC_API_KEY
The skill instructions reference `$ANTHROPIC_API_KEY`, 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: 109CWE-200
107
108```bash
109export ANTHROPIC_API_KEY="$ANTHROPIC_API_KEY"references $ANTHROPIC_API_KEY — potential credential leak
110free-code --model claude-opus-4-6
111```
high
Dangerous shell pattern: curl | shell
The skill contains a shell command pattern (`curl | shell`) commonly used in destructive or supply-chain attacks.
rule: dangerous-shellline: 28CWE-78
26
27```bash
28curl -fsSL https://raw.githubusercontent.com/paoloanzn/free-code/main/install.sh | bashcurl | shell — common in destructive or supply-chain attacks
29```
30
high
Dangerous shell pattern: curl | shell
The skill contains a shell command pattern (`curl | shell`) commonly used in destructive or supply-chain attacks.
rule: dangerous-shellline: 37CWE-78
35```bash
36# Requires Bun >= 1.3.11
37curl -fsSL https://bun.sh/install | bashcurl | shell — common in destructive or supply-chain attacks
38
39git clone https://github.com/paoloanzn/free-code.git
high
Dangerous shell pattern: curl | shell
The skill contains a shell command pattern (`curl | shell`) commonly used in destructive or supply-chain attacks.
rule: dangerous-shellline: 292CWE-78
290
291```bash
292curl -fsSL https://bun.sh/install | bashcurl | shell — common in destructive or supply-chain attacks
293source ~/.bashrc # or ~/.zshrc
294```
high
Sensitive filesystem path referenced
The skill references a path (`~\/\.aws\/`) that contains credentials or system secrets. Reading this from an unsandboxed skill is a credential-exfiltration vector.
rule: filesystem-overreachline: 138CWE-552
136export CLAUDE_CODE_USE_BEDROCK=1
137export AWS_REGION="us-east-1"
138# Uses standard AWS credential chain: env vars, ~/.aws/config, or IAM rolesensitive path — credential-exfiltration vector
139free-code
140```
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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