Skills/PyPI/presto-mcp

presto-mcp@0.1.0

CAUTION· static only

Publisher claims: "PRESTO-only MCP server. Typed, sandboxed, reproducible access to PRESTO radio-astronomy tools via Docker." Observed in sandbox: static analysis only — behavior not yet observed.

Registry PyPI (MCP server)Publisher sebastian-salgado · publishing for 181 daysInstalls 45Last detonated 2 h ago
What would fix thisWatchDispute verdict

Coverage

Static only; nothing was run yet.

The label rests on the code, the instruction files and the publisher. The honeypot run replaces this verdict when it completes.

Before you give it your token

It will ask for
no credential variables read in the code
Where it talks to
no vendor host named in the code
What the honeypot saw
nothing has run yet
What we could not test
everything: the server has not run yet

Run it before you trust it. Nothing has run yet: the code was read, the server was not. `vet-skills try` runs this exact version in the honeypot in about a minute.

Never paste a credential into a chat, a ticket or a report, including ours. How the guard holds it.

Is [email protected] safe to install?

KillerSkills analysed it statically (a sandbox run is pending) on 2026-11-15 and scored it 50/100 (Caution). It is not known to be malicious, but it has behaviour or code a security policy should decide on before install. Notable findings: Access to sensitive file paths; Access to sensitive file paths; Hidden zero-width characters detected. Summary: static analysis only — behavior not yet observed.

Behavior trace

Queued for honeypot run · static analysis only
t+CategoryObserved action

This version has not been detonated yet. The score above counts behavior as unknown (50/100), so it cannot read Verified until the honeypot run completes and replaces this verdict.

Static findings

HIGH
Access to sensitive file pathssrc/presto_mcp/config.py:62 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system files# Load .env from repo root if present. Real env vars win.Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Access to sensitive file pathssrc/presto_mcp/config.py:3 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesLoads settings from environment (or a sibling ``.env``) once, exposes a frozenFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Hidden zero-width characters detectedsrc/presto_mcp/parsers/ddplan_parser.py:23 · Hidden zero-width characters detected — may conceal content_BOM = ""Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST07
HIGH
Hidden zero-width characters detectedsrc/presto_mcp/parsers/realfft_parser.py:17 · Hidden zero-width characters detected — may conceal content_BOM = ""Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST07
MEDIUM
Process kill commandCLAUDE.md:37 · Process kill command — agent can terminate processesdocker_backend.py # argv builder + subprocess.run + timeout/killFix: Build commands from fixed arguments; do not interpolate untrusted strings into a shell.
AST05
MEDIUM
Python subprocess execution detectedAGENTS.md:19 · Python subprocess execution detected1. **No `shell=True`.** Build argv as a Python list. Invoke via `subprocess.run(argv, shell=False, timeout=…)`.Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
Python subprocess execution detectedsrc/presto_mcp/config.py:150 · Python subprocess execution detectedsubprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
Process kill commandsrc/presto_mcp/docker_backend.py:177 · Process kill command — agent can terminate processeslog.warning("docker kill failed for %s: %s", name, e)Fix: Build commands from fixed arguments; do not interpolate untrusted strings into a shell.
AST05
HIGH
Hidden zero-width characters detectedsrc/presto_mcp/parsers/accelsearch_parser.py:18 · Hidden zero-width characters detected — may conceal content_BOM = ""Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST07
HIGH
Hidden zero-width characters detectedsrc/presto_mcp/parsers/rrattrap_parser.py:19 · Hidden zero-width characters detected — may conceal content_BOM = ""Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST07
MEDIUM
Python subprocess execution detectedsrc/presto_mcp/docker_backend.py:115 · Python subprocess execution detected"""Real Docker backend. Uses ``subprocess.run(..., shell=False)`` exclusively."""Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
HIGH
Access to sensitive file pathssrc/presto_mcp/config.py:63 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesload_dotenv(REPO_ROOT / ".env", override=False)Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Hidden zero-width characters detectedsrc/presto_mcp/parsers/make_spd_parser.py:18 · Hidden zero-width characters detected — may conceal content_BOM = ""Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST07
HIGH
Hidden zero-width characters detectedsrc/presto_mcp/parsers/waterfaller_parser.py:17 · Hidden zero-width characters detected — may conceal content_BOM = ""Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST07
HIGH
Hidden zero-width characters detectedsrc/presto_mcp/parsers/plot_spd_parser.py:17 · Hidden zero-width characters detected — may conceal content_BOM = ""Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST07
HIGH
Hidden zero-width characters detectedsrc/presto_mcp/parsers/single_pulse_search_parser.py:19 · Hidden zero-width characters detected — may conceal content_BOM = ""Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST07
MEDIUM
Process kill commandsrc/presto_mcp/docker_backend.py:8 · Process kill command — agent can terminate processesPRESTO container. It also owns timeout-kill semantics.Fix: Build commands from fixed arguments; do not interpolate untrusted strings into a shell.
AST05
HIGH
Hidden zero-width characters detectedsrc/presto_mcp/parsers/get_toas_parser.py:19 · Hidden zero-width characters detected — may conceal content_BOM = ""Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST07
HIGH
Hidden zero-width characters detectedsrc/presto_mcp/parsers/sifting_parser.py:20 · Hidden zero-width characters detected — may conceal content_BOM = ""Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST07
MEDIUM
Python subprocess execution detectedsrc/presto_mcp/docker_backend.py:181 · Python subprocess execution detectedcp = subprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
HIGH
Hidden zero-width characters detectedsrc/presto_mcp/parsers/rfifind_parser.py:21 · Hidden zero-width characters detected — may conceal content_BOM = ""Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST07
MEDIUM
Python subprocess execution detectedsrc/presto_mcp/docker_backend.py:169 · Python subprocess execution detectedsubprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
Destructive file system command detectedDockerfile:32 · Destructive file system command detected&& rm -rf /var/lib/apt/lists/*Fix: Build commands from fixed arguments; do not interpolate untrusted strings into a shell.
AST05
HIGH
Hidden zero-width characters detectedsrc/presto_mcp/parsers/prepsubband_parser.py:18 · Hidden zero-width characters detected — may conceal content_BOM = ""Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST07
MEDIUM
Python subprocess execution detectedCLAUDE.md:8 · Python subprocess execution detected- **No shell.** `subprocess.run(..., shell=False)`. Build Docker argv as a Python list. Never `bash -lc`, never `os.system`.Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
Python subprocess execution detectedsrc/presto_mcp/docker_backend.py:134 · Python subprocess execution detectedcp = subprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
HIGH
Hidden zero-width characters detectedsrc/presto_mcp/parsers/readfile_parser.py:20 · Hidden zero-width characters detected — may conceal content_BOM = ""Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST07
MEDIUM
Access to sensitive file pathstests/e2e/test_real_docker.py:9 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesTests use the repo's real ``Settings`` (loaded from environment + .env). TheyFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Hidden zero-width characters detectedsrc/presto_mcp/parsers/zapbirds_parser.py:19 · Hidden zero-width characters detected — may conceal content_BOM = ""Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST07
MEDIUM
Access to sensitive file pathstests/unit/test_manifest.py:109 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesget_manifest(tmp_path, "../../etc/passwd")Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Hidden zero-width characters detectedsrc/presto_mcp/parsers/prepdata_parser.py:20 · Hidden zero-width characters detected — may conceal content_BOM = ""Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST07
MEDIUM
Access to sensitive file pathstests/unit/test_path_security.py:54 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesresolve_input_path("/etc/passwd", data_root)Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
MEDIUM
Access to sensitive file pathstests/unit/test_resources.py:120 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesread_manifest_resource(s, "../../etc/passwd")Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05

Cost to the agent

Instructions loaded
≈2,373 tok
3 files · 81 in bundle

Tokens estimated at four characters each. Skills load their instruction text when triggered; the figure is what that costs.

Known vulnerabilities

No advisories in OSV for presto-mcp@0.1.0 as of 2 h ago. This is the package itself, not its dependencies.

What would make this Verified

30 points to 80 · weights: behavior 45%, static 25%, prompt 15%, publisher 15%
  1. Unclaimed publisher≈ +8 on the totalClaim sebastian-salgado: a verified publisher gets +50 on publisher trust. It is free and usually instant with GitHub sign-in.
  2. Access to sensitive file paths≈ +4 on the totalStop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
  3. Hidden zero-width characters detected≈ +4 on the totalKeep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
  4. Process kill command≈ +2 on the totalBuild commands from fixed arguments; do not interpolate untrusted strings into a shell.
  5. Python subprocess execution detected≈ +2 on the totalBuild commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
  6. Destructive file system command detected≈ +2 on the totalBuild commands from fixed arguments; do not interpolate untrusted strings into a shell.
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