Grades are a hygiene check, not a security guarantee.

MCP, MCP server

CPersona

CPersona, an MCP server listed in the PlugVet directory.

Compatibility: Not stated.

Grade B

Minor issues only, no Medium or High. Worth a quick look at the findings below before installing.

Graded by PlugVetRubric v2

Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.

Rescanned at commit 93da7452f072.

PERMISSION_DELETE_FILES NETWORK_NO_FIXED_HOST SECRETS_ENV_READ OBFUSCATION_FILE_OVER_READ_CAP OBFUSCATION_FILE_CAP_REACHED

Why this grade

  • PERMISSION_DELETE_FILES Low

    Contains a call that can delete files.

    benchmarks/benchmark_latency.py, line 206 os.remove(part)

  • NETWORK_NO_FIXED_HOST Low

    Makes a network call whose host is not written as a fixed address.

    benchmarks/benchmark_latency.py, line 174 with urllib.request.urlopen(req, timeout=300) as resp:

  • SECRETS_ENV_READ Note

    Reads an environment variable whose name contains KEY, SECRET, TOKEN, PASSWORD or CREDENTIAL.

    benchmarks/benchmark_lmeb.py, line 80 self.api_key = api_key or os.environ.get("OPENAI_API_KEY", "")

  • OBFUSCATION_FILE_OVER_READ_CAP Note

    A file was over the read cap and was not fully read.

    uv.lock, line 1 version = 1

  • OBFUSCATION_FILE_CAP_REACHED Note

    The 400 file cap was reached before every file was read.

    uv.lock, line 1 version = 1

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

    can delete files.

    PERMISSION_DELETE_FILES

    benchmarks/benchmark_latency.py, line 206

    os.remove(part)

    benchmarks/diagnose_recall_revision.py, line 99

    "commit": subprocess.check_output(["git", "-C", str(args.repo), "rev-parse", "HEAD"], text=True).strip(),

    benchmarks/longmemeval_time_cue.py, line 411

    commit = subprocess.run(["git", "-C", str(Path(cpersona.__file__).resolve().parents[1]), "rev-parse", "HEAD"],

    Show more

    benchmarks/reconstruct_count_codex.py, line 104

    proc = subprocess.run(command, input=prompt, text=True, stdout=stdout,

    benchmarks/reconstruct_count_qa.py, line 145

    proc = subprocess.run(command, input=prompt, capture_output=True, text=True,

    benchmarks/measurements/coarse_search_k.py, line 777

    subprocess.run(cmd, check=True)

    benchmarks/measurements/perf_recall_with_embedding.py, line 72

    out = subprocess.run(

    benchmarks/measurements/scan_window_ab.py, line 1100

    subprocess.run(cmd, check=True, cwd=str(_REPO))

    scripts/build-all-versions.py, line 45

    result = subprocess.run(

  • 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

    benchmarks/benchmark_latency.py, line 174

    with urllib.request.urlopen(req, timeout=300) as resp:

    docs/RELIABLE_RECALL_2_6.md, line 50

    fetch (one or two ranked lists)

    docs/javascripts/notice.js, line 51

    fetch(ENDPOINT + "?page=" + encodeURIComponent(location.pathname) + "&lang=" + lang, { credentials: "omit", cache: "no-store" })

    Show more

    scripts/check-docs-live.py, line 113

    def fetch(url: str) -> tuple[bytes | None, str | None]:

    scripts/check-docs-live.py, line 117

    with urllib.request.urlopen(request, timeout=TIMEOUT_SECONDS) as response:

    scripts/check-docs-live.py, line 309

    body, error = fetch(f"{base}{MANIFEST_NAME}")

  • Secrets

    Note

    reads an environment variable.

    SECRETS_ENV_READ

    benchmarks/benchmark_lmeb.py, line 80

    self.api_key = api_key or os.environ.get("OPENAI_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. the file cap was reached before every file was read.

    OBFUSCATION_FILE_OVER_READ_CAP OBFUSCATION_FILE_CAP_REACHED

    uv.lock, line 1

    version = 1

    benchmarks/measurements/longmemeval_time_cues.jsonl, line 1

    {"question_id": "gpt4_2655b836", "question_type": "temporal-reasoning", "question_date": "2023/04/10 (Mon) 23:07", "question": "What was the first issue I had with my new car after

    benchmarks/measurements/tmd_time_cues.jsonl, line 1

    {"key": "content_time_qs/scene_0_q_0", "question_type": "content_time_qs", "question_date": "2023/10/22 (Sun) 11:17", "date_source": "scene", "time_cue": {"after": "2023-07-03", "b

    Show more

    benchmarks/measurements/lmeb_results/jina-embeddings-v5-text-nano/jinaai__jina-embeddings-v5-text-nano/8a7f00aac812071b69403df470f1038ec85f8925/EPBench.json, line 1

    {

    benchmarks/measurements/lmeb_results/jina-embeddings-v5-text-nano/jinaai__jina-embeddings-v5-text-nano/8a7f00aac812071b69403df470f1038ec85f8925/MemGovern.json, line 1

    {

    benchmarks/measurements/logs/trackb_v2440_bgem3_run.log, line 1

    INFO|2026/07/10 23:15:59|trackb: cpersona DB initialized at /var/folders/00/7ckw7l6n5sb503yrw69ww0680000gn/T/trackb_j37s9uf_.db

    benchmarks/measurements/logs/trackb_v2440_minilm_run.log, line 1

    INFO|2026/07/11 14:49:35|trackb: cpersona DB initialized at /var/folders/00/7ckw7l6n5sb503yrw69ww0680000gn/T/trackb_lhcljn9b.db

    benchmarks/measurements/longmemeval_time_cue/rows.jsonl, line 1

    {"qid": "scene_350_q_0", "question_id": "gpt4_76048e76", "type": "temporal_reasoning", "arm": "none", "question_date": "2023/03/10 (Fri) 23:15", "time_cue": null, "returned": ["sce

  • 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 93da7452f072. can delete files. can reach a host that is not written as a fixed address. reads an environment variable. a file was over the read cap and was not fully read. the file cap was reached before every file was read.

Date and source

Date checked:

View source

github.com

Commit graded: 93da7452f0727d58b6ebddb6a1b4d7b7affc4c61

This link goes to the original host. PlugVet does not host or check what you download from there, and installing it is your own decision and risk.

Read how this letter is chosen