MCP, MCP server
Helixar Security
Security tools for AI agents: scan MCP servers, validate HDP delegation chains, audit releases.
Compatibility: Not stated.
Grade C
One Medium finding. Read the findings before installing.
Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.
Rescanned at commit bec5eebbea53, unchanged since the check below.
PERMISSION_SHELL_UNDECLARED
Why this grade
- PERMISSION_SHELL_UNDECLARED Medium
Runs shell commands that the manifest or description does not mention.
tasks/plan.md, line 329
**Description.** Shell out to the `releaseguard` binary. Signature: `runReleaseGuard(target: string, command: "check" | "fix" | "harden" | "sbom", options: { format?: "json" | "sar
Any High, or two or more Medium findings, give D. One Medium gives C. Low findings or a security Note give B. Each code names a finding behind the letter.
Grades are a hygiene check of the source at the commit shown, on the date checked, not a security audit or a guarantee. The free directory grades are automated. Before release, a PlugVet engineer reviews every paid report and any grade we hold back, including all F grades, against the source code and the evidence we quote.
What was checked
Plain notes from the hygiene checks.
Permissions
Concern
requests shell access. No manifest field names shell or command execution.
PERMISSION_SHELL_UNDECLARED
tasks/plan.md, line 329
**Description.** Shell out to the `releaseguard` binary. Signature: `runReleaseGuard(target: string, command: "check" | "fix" | "harden" | "sbom", options: { format?: "json" | "sar
Install and update
Pass
No install-time script found, and dependencies are pinned or absent.
Network
Concern
can reach a host that is not written as a fixed address.
NETWORK_NO_FIXED_HOST
src/worker.ts, line 115
async fetch(request: Request, env: WorkerEnv): Promise<Response> {
src/lib/url-guard.ts, line 175
response = await fetch(url, {
src/lib/url-guard.workers.ts, line 4
// DNS resolution and the platform `fetch()` for the actual request, since the
Show more
src/lib/url-guard.workers.ts, line 89
const res = await fetch(url, {
src/lib/url-guard.workers.ts, line 165
response = await fetch(url, {
SECURITY-WORKERS.md, line 30
between our DNS check and the connection. The Workers `fetch()` API has no
SECURITY-WORKERS.md, line 45
1. `cf.resolveOverride` on the outgoing `fetch()` request - promising and
Secrets
Concern
reads a credential or environment file.
SECRETS_ENV_READ SECRETS_PATH_DOTENV
src/lib/narrate.ts, line 24
const apiKey = process.env.ANTHROPIC_API_KEY;
.gitignore, line 3
coverage/
.gitignore, line 4
.env
Show more
.gitignore, line 6
!.env.example
tasks/plan.md, line 81
- [ ] `.gitignore` covers `node_modules/`, `dist/`, `.env`, `coverage/`, `.vscode/`.
Agent instructions
Pass
No instruction to ignore earlier instructions or to hide a step.
Obfuscation
Note
a file was over the read cap and was not fully read.
OBFUSCATION_FILE_OVER_READ_CAP
package-lock.json, line 1
{
Licence
Pass
A licence file is present (LICENSE).
Maintainer activity
Pass
The latest commit is within the last 365 days.
Note
Hygiene check of commit bec5eebbea53. requests shell access. No manifest field names shell or command execution. can reach a host that is not written as a fixed address. reads a credential or environment file. a file was over the read cap and was not fully read.
Date and source
Date checked:
github.com
Commit graded: bec5eebbea5384b0e7a6ccfeecde6308792735e8
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