Nber Cli MCP Server
nber-cli
PyPI
v0.11.1
Published by sepinetam — no publish provenance, so origin is unverified, but the source is public: the repository link below is self-declared yet readable, so you can inspect the code before adopting it.
A command-line interface for accessing National Bureau of Economic Research (NBER) papers without a browser.
The grade answers one question — how safe is this server for you to adopt — so it is computed in two auditable stages. Nothing below is an opinion or an LLM's guess; every line is a real term the deterministic engine applied, and the same input always yields the same number.
1. Threat score — 100 − 0 = 100. What the published surface and source actually contain:
The deterministic scan raised no scored threat in the surface it inspected — the threat score stayed at 100. Capability observations and advisory notes are recorded but never lower it.
2. Client adoption risk — 100 − 7 = 93. Three small, subtract-only factors that reflect your risk in adopting it — a clean scan proves less on a powerful, unverified or barely-inspectable package, so the grade says so plainly:
| Points | Adoption-risk factor |
|---|---|
| −6 | capability blast radius (high) — client exposure if the model is manipulated |
| −1 | publisher verification (public source) — no provenance, but the source is public and inspectable |
Capability observations and info notes are shown under Findings but never scored.
Open any row's finding below for the file, line and evidence behind a deduction.
Findings 5
high Shell/command execution in server code (src/nber_cli/cli.py)MTC-SRC-002
In the server's implementation (`src/nber_cli/cli.py:741`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: try: result = subprocess.run( [executable, "--version"], text=True, captur
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server src/nber_cli/cli.py
low Shell/command execution in packaging/dev tooling (scripts/build-desktop-worker.py)MTC-SRC-002
In a packaging/dev/install script (shipped, but not the server runtime) (`scripts/build-desktop-worker.py:50`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: str(ENTRY), ] subprocess.run(command, cwd=ROOT, check=True) source_name = "nber-worker.exe" if platform.s
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server scripts/build-desktop-worker.py
low Shell/command execution in packaging/dev tooling (scripts/check-desktop-release.py)MTC-SRC-002
In a packaging/dev/install script (shipped, but not the server runtime) (`scripts/check-desktop-release.py:155`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: ol: verify_result = subprocess.run( ["codesign", "--verify", "--deep", "--strict", "--verbose=2", str(app)],
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server scripts/check-desktop-release.py
low Shell/command execution in packaging/dev tooling (scripts/generate-desktop-icons.py)MTC-SRC-002
In a packaging/dev/install script (shipped, but not the server runtime) (`scripts/generate-desktop-icons.py:32`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: ue, exist_ok=True) subprocess.run( [ "npm", "run", "tauri",
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server scripts/generate-desktop-icons.py
low Shell/command execution in packaging/dev tooling (scripts/smoke-desktop-app.py)MTC-SRC-002
In a packaging/dev/install script (shipped, but not the server runtime) (`scripts/smoke-desktop-app.py:55`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: = "" process = subprocess.Popen( [str(executable)], cwd=ROOT, env=env,
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server scripts/smoke-desktop-app.py
What this scan could not see
- No tools were enumerated, so prompt-injection, capability and toxic-flow analysis had no tool surface to inspect. To grade a package’s real runtime tools, scan the running server: --command "npx -y <package>".
Versions 3
Scan history per published version. The engine is deterministic — the same version always yields the same score, so a changed score means the package itself changed.
| Version | Score | Findings | Engine | Scanned |
|---|---|---|---|---|
v0.11.1 latest |
A 93/100 | 5 | 1.13.0 | 2026-08-31 |
v0.11.0 |
A 93/100 | 5 | 1.13.0 | 2026-08-25 |
v0.10.0 |
A 93/100 | 5 | 1.12.1 | 2026-07-27 |
Embed this score
Show this server's live Trust Score in your README, docs or website. The badge is served straight from the registry and updates automatically after every rescan — no API key needed. It links back to this page, so anyone who sees the grade can also read the findings behind it instead of taking a number on faith.
Verify this score yourself
The score above is reproducible: the same package version always yields the same result. Run it locally or over the free API — no account, no LLM, fully deterministic.
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