MCP, MCP server
Gvnr
Spend caps, rate coordination, idempotency, and a human-in-the-loop gate for AI agents — enforced before the call, not after the invoice. One MCP endpoint, settled via x402 (USDC on Base).
Compatibility: Not stated.
Grade B
Minor issues only, no Medium or High. Worth a quick look at the findings below before installing.
Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.
Rescanned at commit 2a074f124146, unchanged since the check below.
NETWORK_NO_FIXED_HOST NETWORK_UNNAMED_HOST SECRETS_PATH_DOTENV SECRETS_ENV_READ OBFUSCATION_FILE_OVER_READ_CAP
Why this grade
- NETWORK_NO_FIXED_HOST Low
Makes a network call whose host is not written as a fixed address.
scripts/smoke-test.mjs, line 36
const res = await fetch(`${BASE}/mcp?api_key=${apiKey}`, { - NETWORK_UNNAMED_HOST Low
Calls a fixed host that the description does not name.
scripts/smoke-test.mjs, line 36
const res = await fetch(`${BASE}/mcp?api_key=${apiKey}`, { - SECRETS_PATH_DOTENV Low
Mentions a .env file.
src/index.ts, line 1042
.stream-row .env { color: #555; font-size: 0.68rem; text-align: right; } - SECRETS_ENV_READ Note
Reads an environment variable whose name contains KEY, SECRET, TOKEN, PASSWORD or CREDENTIAL.
scripts/smoke-test.mjs, line 14
const ADMIN_SECRET = process.env.SMOKE_ADMIN_SECRET; - OBFUSCATION_FILE_OVER_READ_CAP Note
A file was over the read cap and was not fully read.
worker-configuration.d.ts, line 1
/* eslint-disable */
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
Pass
No shell or command execution found, and no extra permission was declared.
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. can reach api.telegram.org. The description does not name that host.
NETWORK_NO_FIXED_HOST NETWORK_UNNAMED_HOST
scripts/smoke-test.mjs, line 36
const res = await fetch(`${BASE}/mcp?api_key=${apiKey}`, {
scripts/smoke-test.mjs, line 57
const res = await fetch(`${BASE}/health`);
scripts/smoke-test.mjs, line 64
const res = await fetch(`${BASE}/v1/account`, { method: 'POST' });
Show more
scripts/smoke-test.mjs, line 73
const res = await fetch(`${BASE}/v1/account/balance`, {
scripts/smoke-test.mjs, line 82
const res = await fetch(`${BASE}/v1/budget/clear`, {
scripts/smoke-test.mjs, line 97
const res = await fetch(`${BASE}/mcp`, {
scripts/smoke-test.mjs, line 133
const res = await fetch(`${BASE}/v1/admin/seed`, {
scripts/smoke-test.mjs, line 144
await fetch(`${BASE}/v1/budget/envelope`, {
src/index.ts, line 1302
<pre>curl -X POST https://gvnr.dev/v1/account
src/index.ts, line 1315
curl -X PUT https://gvnr.dev/v1/budget/envelope \\
src/index.ts, line 1321
curl -X POST https://gvnr.dev/v1/budget/clear \\
src/index.ts, line 1327
curl -X POST https://gvnr.dev/v1/budget/reconcile \\
src/index.ts, line 1337
curl -X PUT https://gvnr.dev/v1/rate/envelope \\
src/index.ts, line 1343
curl -X POST https://gvnr.dev/v1/rate/check \\
src/index.ts, line 1352
<pre>curl -X POST https://gvnr.dev/v1/idempotency/check \\
src/index.ts, line 1362
curl -X POST https://gvnr.dev/v1/account/notification-email \\
Secrets
Concern
reads a credential or environment file.
SECRETS_ENV_READ SECRETS_PATH_DOTENV
scripts/smoke-test.mjs, line 14
const ADMIN_SECRET = process.env.SMOKE_ADMIN_SECRET;
scripts/stress-security.mjs, line 11
const ADMIN_SECRET = process.env.ADMIN_SECRET ?? '';
src/index.ts, line 1042
.stream-row .env { color: #555; font-size: 0.68rem; text-align: right; }
Show more
.gitignore, line 164
!.dev.vars.example
.gitignore, line 166
!.env.example
widgets/dashboard.html, line 41
.env { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; margin-bottom: 8px; }
widgets/dashboard.html, line 42
.env-top { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 6px; }
widgets/dashboard.html, line 43
.env-id { font-weight: 600; word-break: break-all; }
widgets/dashboard.html, line 44
.env-meta { color: var(--muted); font-size: 12px; white-space: nowrap; }
widgets/dashboard.html, line 47
.env-fig { display: flex; justify-content: space-between; margin-top: 6px; font-size: 12px; color: var(--muted); }
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
worker-configuration.d.ts, line 1
/* eslint-disable */
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 2a074f124146. can reach a host that is not written as a fixed address. can reach api.telegram.org. The description does not name that host. 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: 2a074f124146854dc306d6b2442354347c132a81
This link goes to the original host. PlugVet does not host or check what you download from there, and installing it is your own decision and risk.