MCP, MCP server
Trmm Mcp
Trmm Mcp, an MCP server listed in the PlugVet directory.
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.
PERMISSION_DELETE_FILES NETWORK_NO_FIXED_HOST SECRETS_PATH_DOTENV SECRETS_ENV_READ
Why this grade
- PERMISSION_DELETE_FILES Low
Contains a call that can delete files.
approval_auth_test.py, line 52
subprocess.run(["rm", "-rf", "/tmp/trmm-authtest-state"], check=False) - NETWORK_NO_FIXED_HOST Low
Makes a network call whose host is not written as a fixed address.
approval_auth_test.py, line 62
httpx.get(f"{BASE}/approve/", timeout=1, verify=VERIFY) - SECRETS_PATH_DOTENV Low
Mentions a .env file.
backup-mcp.sh, line 6
# credentials in .env, the TLS keypair, live approval/session state, and the - SECRETS_ENV_READ Note
Reads an environment variable whose name contains KEY, SECRET, TOKEN, PASSWORD or CREDENTIAL.
trmm_mcp/cli_setup_auth.py, line 29
preset = os.environ.get("TRMM_APPROVAL_SETUP_PASSWORD")
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
can delete files.
PERMISSION_DELETE_FILES
approval_auth_test.py, line 52
subprocess.run(["rm", "-rf", "/tmp/trmm-authtest-state"], check=False)
approval_auth_test.py, line 53
proc = subprocess.Popen(
approval_auth_test.py, line 142
subprocess.run(["rm", "-rf", "/tmp/trmm-authtest-state"], check=False)
Show more
commands_test.py, line 149
shutil.rmtree(tmp, ignore_errors=True)
config_test.py, line 41
out = subprocess.run(
config_test.py, line 104
out = subprocess.run(
config_test.py, line 118
shutil.rmtree(tmp, ignore_errors=True)
e2e_test.py, line 236
proc = subprocess.Popen(
elevation_test.py, line 122
proc = subprocess.Popen(
logging_test.py, line 37
shutil.rmtree(LOG_DIR, ignore_errors=True)
net_test.py, line 39
proc = subprocess.Popen(
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
approval_auth_test.py, line 62
httpx.get(f"{BASE}/approve/", timeout=1, verify=VERIFY)
approval_auth_test.py, line 71
r = httpx.get(f"{BASE}/approve/", timeout=5, verify=VERIFY)
approval_auth_test.py, line 126
r = httpx.post(f"{BASE}/approve/approve/anything", timeout=5, verify=VERIFY)
Show more
approval_auth_test.py, line 132
r = httpx.post(f"{BASE}/mcp", verify=VERIFY, json={"jsonrpc": "2.0", "id": 1,
e2e_test.py, line 249
httpx.get(url, timeout=1, verify=VERIFY)
e2e_test.py, line 263
unauth = httpx.post(url, verify=VERIFY, json={"jsonrpc": "2.0", "id": 1,
elevation_test.py, line 134
httpx.get(f"{base}/approve/", timeout=1, verify=VERIFY)
elevation_test.py, line 141
r = httpx.get(f"{base}/approve/", timeout=5, verify=VERIFY)
Secrets
Concern
reads a credential or environment file.
SECRETS_ENV_READ SECRETS_PATH_DOTENV
backup-mcp.sh, line 6
# credentials in .env, the TLS keypair, live approval/session state, and the
backup-mcp.sh, line 94
copy .env
trmm_mcp/cli_setup_auth.py, line 29
preset = os.environ.get("TRMM_APPROVAL_SETUP_PASSWORD")
Show more
backup-mcp.sh, line 126
echo "NOTE: .env holds the TRMM API keys, the bearer token and the approval"
config_test.py, line 3
"""Where does the server decide to keep .env, state/, certs/ and the audit log?
config_test.py, line 101
# --- 5. .env is actually read from wherever BASE_DIR landed ----------
config_test.py, line 103
(custom / ".env").write_text("TRMM_MCP_AGENT_ALLOWLIST=only-this-host\n")
config_test.py, line 115
check("the .env at the resolved BASE_DIR is the one that gets loaded",
e2e_test.py, line 227
# .env carries this install's real address, and 8770 belongs to the running
trmm_mcp/config.py, line 89
_READONLY_KEY = os.environ.get("TRMM_READONLY_API_KEY", "").strip()
trmm_mcp/config.py, line 91
os.environ.get("TRMM_COMMAND_API_KEY", "").strip()
trmm_mcp/config.py, line 127
APPROVAL_PASSWORD_HASH = os.environ.get("TRMM_MCP_APPROVAL_PASSWORD_HASH", "").strip()
trmm_mcp/config.py, line 128
APPROVAL_TOTP_SECRET = os.environ.get("TRMM_MCP_APPROVAL_TOTP_SECRET", "").strip()
trmm_mcp/config.py, line 168
TLS_KEY = os.environ.get("TRMM_MCP_TLS_KEY", str(_default_key)).strip()
trmm_mcp/config.py, line 180
AUTH_TOKEN = os.environ.get("TRMM_MCP_AUTH_TOKEN", "").strip()
Agent instructions
Pass
No instruction to ignore earlier instructions or to hide a step.
Obfuscation
Pass
No encoded or minified payload found.
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 29457f019bf5. can delete files. can reach a host that is not written as a fixed address. reads a credential or environment file.
Date and source
Date checked:
github.com
Commit graded: 29457f019bf5aae45c32bdb24ffab976db3e9417
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