MCP, MCP server
Linear MCP (multi-workspace, PAT auth)
Linear MCP (multi-workspace, PAT auth), an MCP server listed in the PlugVet directory.
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.
PERMISSION_SHELL_UNDECLARED
Why this grade
- PERMISSION_SHELL_UNDECLARED Medium
Runs shell commands that the manifest or description does not mention.
linear_mcp/linear_exec.py, line 328
proc = 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.
PERMISSION_SHELL_UNDECLARED
linear_mcp/linear_exec.py, line 328
proc = subprocess.run(
LINEAR_WORKFLOW_OPTIMIZATION.md, line 174
result = subprocess.run(
LINEAR_WORKFLOW_OPTIMIZATION.md, line 187
result = subprocess.run(cmd, capture_output=True, text=True, check=True)
Show more
LINEAR_WORKFLOW_OPTIMIZATION.md, line 196
result = subprocess.run(cmd, capture_output=True, text=True, check=True)
LINEAR_WORKFLOW_OPTIMIZATION.md, line 202
result = subprocess.run(cmd, capture_output=True, text=True, check=True)
LINEAR_WORKFLOW_OPTIMIZATION.md, line 288
result = subprocess.run(
Install and update
Concern
dependencies are not pinned.
INSTALL_UNPINNED
requirements.txt, line 1
fastmcp>=3.2.4
Network
Concern
can reach your-system.com. The description does not name that host. can reach a host that is not written as a fixed address.
NETWORK_NO_FIXED_HOST NETWORK_UNNAMED_HOST
LINEAR_WORKFLOW_OPTIMIZATION.md, line 304
# requests.post("https://your-system.com/issues", json=payload)
pyproject.toml, line 22
# SSRF hardening for outbound Linear GraphQL fetch (MYC-101).
Secrets
Concern
reads a credential or environment file.
SECRETS_ENV_READ SECRETS_PATH_DOTENV
linear_mcp/workspaces.py, line 39
"""Lightweight .env loader. No python-dotenv dependency."""
linear_mcp/workspaces.py, line 88
or os.environ.get("LINEAR_API_KEY", "").strip()
.github/workflows/personal-pii-scrub.yml, line 167
m=$(git grep -nE "$p" -- ':!README*' ':!CHANGELOG*' ':!docs/' ':!*.md' ':!LICENSE*' ':!COPYING*' ':!NOTICE*' ':!AUTHORS*' ':!MAINTAI
Show more
.github/workflows/personal-pii-scrub.yml, line 330
m=$(grep -rnaE --exclude='README*' --exclude='CHANGELOG*' --exclude='*.md' --exclude='LICENSE*' --exclude='COPYING*' --exclude='NOTICE*'
.gitignore, line 7
.venv/
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 8230fc27f680. requests shell access. No manifest field names shell or command execution. dependencies are not pinned. can reach your-system.com. The description does not name that host. 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: 8230fc27f6803cc29e76dd455d51e81a91d11993
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