MCP, MCP server
NanoPDF
Public repository r09722akabennett/nano-pdf-mcp.
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 8bc5918b912d, 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.
mcp_pdf_utils.py, line 49
result = subprocess.run(
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. can delete files.
PERMISSION_SHELL_UNDECLARED PERMISSION_DELETE_FILES
mcp_pdf_utils.py, line 49
result = subprocess.run(
mcp_pdf_utils.py, line 125
process = subprocess.run(
mcp_pdf_utils.py, line 143
os.remove(output_pdf_path)
Show more
mcp_pdf_utils.py, line 162
os.remove(temp_input_path)
mcp_pdf_utils.py, line 165
os.remove(temp_output_base + ".pdf")
server.py, line 172
os.remove(temp_new_page_path)
server.py, line 183
os.remove(temp_new_page_path)
server.py, line 240
os.remove(temp_new_page_path)
Install and update
Concern
dependencies are not pinned.
INSTALL_UNPINNED
requirements.txt, line 1
fastmcp>=2.14.0
Network
Pass
No network call found.
Secrets
Note
reads an environment variable.
SECRETS_ENV_READ
mcp_ai_utils.py, line 15
api_key = os.getenv("GEMINI_API_KEY")
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
uv.lock, line 1
version = 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 8bc5918b912d. requests shell access. No manifest field names shell or command execution. can delete files. dependencies are not pinned. reads an environment variable. a file was over the read cap and was not fully read.
Date and source
Date checked:
github.com
Commit graded: 8bc5918b912db855cd381b4559c3930bed5fecc3
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