MCP, MCP server
Mcp Beaver
An MCP server generator with a natural flow
Compatibility: Not stated.
Grade C
One Medium finding. Read the report before installing.
Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.
PERMISSION_SHELL_UNDECLARED
Why this grade
- PERMISSION_SHELL_UNDECLARED Medium
Runs shell commands that the manifest or description does not mention.
scripts/registry-probe/probe.py, line 21
r = subprocess.run(["curl", "-s", "-m", str(timeout), *args],
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
scripts/registry-probe/probe.py, line 21
r = subprocess.run(["curl", "-s", "-m", str(timeout), *args],
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
scripts/ci/release-attach-assets.sh, line 13
curl -fsSL -X POST \
scripts/registry-probe/probe.py, line 4
Shells out to curl rather than urllib: the system trust store resolves these
Secrets
Note
reads an environment variable.
SECRETS_ENV_READ
internal/mcpserver/ratelimitredis_test.go, line 54
if pinned := os.Getenv("MCP_BEAVER_TEST_BUCKET_KEY"); pinned != "" {
internal/mcpserver/ratelimitredis_test.go, line 64
if os.Getenv("MCP_BEAVER_TEST_BUCKET_KEY") == "" {
internal/mcpserver/ratelimitredis_test.go, line 82
if os.Getenv("MCP_BEAVER_TEST_BUCKET_KEY") == "" {
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 16cb03d3c6e1. requests shell access. No manifest field names shell or command execution. can reach a host that is not written as a fixed address. reads an environment variable.
Date and source
Date checked:
github.com
Commit graded: 16cb03d3c6e1124b0f0430ba354343120127943a
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