Atlas / MCP servers / docdyhr / simplenote-mcp-server

simplenote-mcp-serverCAUTION

mcp/docdyhr/simplenote-mcp-server

MCP Server for Simplenote integration with Claude Desktop

Verdict
CAUTION
Grade
F
Trust score
56 /100
Exposed tools
7 5r · 2w · 0d
Transport
stdio · streamable-http
License
MIT
Stars
19
01

Overview

From the repository's own README, as read at the audited commit. Badges and raw HTML are left out.

A lightweight MCP server that integrates Simplenote with Claude Desktop using the MCP Python SDK.

This allows Claude Desktop to interact with your Simplenote notes as a memory backend or content source.

[](https://github.com/docdyhr/simplenote-mcp-server/actions/workflows/unified-ci.yml) [](https://github.com/docdyhr/simplenote-mcp-server/actions/workflows/security.yml)

[](https://github.com/docdyhr/simplenote-mcp-server) [](./CHANGELOG.md) [](./htmlcov/index.html) [](https://opensource.org/licenses/MIT)

[](https://pypi.org/project/simplenote-mcp-server/) [](https://hub.docker.com/r/docdyhr/simplenote-mcp-server) [![GitHub Stars](https://img.shields.io/github/stars/docdyhr/simplenote-mcp-server?style=social

Read from source at commit a89271f97d57OBSERVED · 2026-10-10
02

Connect

Built from this server's own package name, version and transport as found in its source — not copied from anyone's documentation, so it cannot drift against a page we do not control. Replace the environment placeholders with a token scoped to the least it needs.

claude-code
claude mcp add simplenote-mcp-server-evals --env ALERT_SMTP_PASSWORD=${ALERT_SMTP_PASSWORD} --env ALERT_WEBHOOK_SECRET=${ALERT_WEBHOOK_SECRET} --env DOCKER_TOKEN=${DOCKER_TOKEN} --env GITHUB_TOKEN=${GITHUB_TOKEN} -- npx -y [email protected]
claude-desktop
{
  "mcpServers": {
    "simplenote-mcp-server-evals": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "ALERT_SMTP_PASSWORD": "${ALERT_SMTP_PASSWORD}",
        "ALERT_WEBHOOK_SECRET": "${ALERT_WEBHOOK_SECRET}",
        "DOCKER_TOKEN": "${DOCKER_TOKEN}",
        "GITHUB_TOKEN": "${GITHUB_TOKEN}"
      }
    }
  }
}
03

Exposed tools (7)

5 read · 2 write · 0 destructive.

ToolRiskDescription
append_to_daily_notereadAppend a timestamped entry to today
export_notesreadExport one or more notes to Markdown or JSON format
find_and_merge_duplicateswriteFind duplicate or near-duplicate notes and optionally merge them
get_note_versionsreadRetrieve the version history of a note (up to 10 most recent versions).
rename_tagwriteRename a tag across all notes that use it. Supports dry_run to preview changes.
replace_sectionreadReplace the content of a Markdown section (## heading) in a note without touching other sections.
server_health_checkreadBasic server health and responsiveness test
04

Trust audit

CAUTIONgrade F · trust 56/100 Install with care. The audit found things worth knowing before you trust its output.

LayerWhat it checksResult
L0Provenance & inventoryPASS
L1Static analysis of the codeWARN
L2Instruction surface (what it tells the agent)PASS
L3Class-specific surfacePASS
L4Behavioural (sandbox)SKIPPED

What the source does

Filesystem
declared (5 observation(s))
Network
declared (13 observation(s))
Shell
declared (4 observation(s))
Dependencies
not all pinned
Secrets in source
found

Findings (25)

MEDIUMCode injection · code.dynamic_import · CWE-78, CWE-94, CWE-95
simplenote_mcp/server/compat/__init__.py:28
importlib.import_module(module_name)
MEDIUMCode injection · code.dynamic_import · CWE-78, CWE-94, CWE-95
simplenote_mcp/server/compat/__init__.py:45
return importlib.import_module(module_name)
MEDIUMInformation disclosure · disclose.log_secret · CWE-209, CWE-532
simplenote_mcp/server/search/engine.py:83
logger.warning(f"Invalid from date format: {token.value}")
MEDIUMInformation disclosure · disclose.log_secret · CWE-209, CWE-532
simplenote_mcp/server/search/engine.py:92
logger.warning(f"Invalid to date format: {token.value}")
MEDIUMNetwork egress · net.raw_ip · CWE-200, CWE-319
Dockerfile:113
CMD python -c "import sys,urllib.request; sys.exit(0 if urllib.request.urlopen('http://127.0.0.1:8080/health', timeout=5).status == 200 else 1)"
MEDIUMNetwork egress · net.raw_ip · CWE-200, CWE-319
scripts/test-docker-ci.sh:62
if curl -s -o /dev/null "http://127.0.0.1:${port}/mcp" 2>/dev/null; then
MEDIUMNetwork egress · net.raw_ip · CWE-200, CWE-319
scripts/test-docker-ci.sh:71
-X POST "http://127.0.0.1:${port}/mcp" \
MEDIUMNetwork egress · net.raw_ip · CWE-200, CWE-319
scripts/test-docker-ci.sh:78
-X POST "http://127.0.0.1:${port}/mcp" \
MEDIUMObfuscation / stealth · obf.homoglyph · CWE-506, CWE-94
simplenote_mcp/scripts/monitoring_dashboard.py:131
return f"{seconds * 1000000:.2f}μs"
MEDIUMHard-coded secrets · secret.generic · CWE-798, CWE-321
scripts/test-docker-ci.sh:47
local token="docker-ci-smoke-test-token"
LOWInventory / provenance · inv.hidden_file · CWE-1104
.bandit
.bandit
Why it matters. hidden member outside the usual dotfiles
Fix. review its purpose
LOWInventory / provenance · inv.hidden_file · CWE-1104
.claude-code-hooks.yaml
.claude-code-hooks.yaml
Why it matters. hidden member outside the usual dotfiles
Fix. review its purpose
LOWInventory / provenance · inv.hidden_file · CWE-1104
.claude-code-settings.json
.claude-code-settings.json
Why it matters. hidden member outside the usual dotfiles
Fix. review its purpose
LOWInventory / provenance · inv.hidden_file · CWE-1104
.env.local
.env.local
Why it matters. hidden member outside the usual dotfiles
Fix. review its purpose
LOWInventory / provenance · inv.hidden_file · CWE-1104
.lycheerc.toml
.lycheerc.toml
Why it matters. hidden member outside the usual dotfiles
Fix. review its purpose
LOWCode injection · code.eval_exec · CWE-78, CWE-94, CWE-95
.github/scripts/ci-diagnostics.py:135
exec(import_test)
Why it matters. evaluates text as code
Fix. remove; use a parser or a dispatch table
LOWCode injection · code.eval_exec · CWE-78, CWE-94, CWE-95
.github/scripts/ci-diagnostics.py:145
exec(import_test)
Why it matters. evaluates text as code
Fix. remove; use a parser or a dispatch table
LOWCode injection · code.eval_exec · CWE-78, CWE-94, CWE-95
.github/workflows/reusable-auto-merge-pr.yml:152
exec(`gh pr merge ${pr.number} --auto --squash`, (err, stdout, stderr) => {
Why it matters. evaluates text as code
Fix. remove; use a parser or a dispatch table
LOWInsecure crypto · crypto.weak_hash · CWE-327, CWE-338
simplenote_mcp/server/cache.py:1054
return hashlib.md5(combined.encode(), usedforsecurity=False).hexdigest()
LOWInsecure crypto · crypto.weak_random · CWE-327, CWE-338
tests/test_search_performance.py:38
for _ in range(random.randint(3, 8)):  # Insert 3-8 keywords  # noqa: S311
LOWInsecure crypto · crypto.weak_random · CWE-327, CWE-338
tests/test_search_performance.py:40
keyword = random.choice(keywords)  # noqa: S311
LOWFilesystem / path · fs.credential_store · CWE-22, CWE-59
tests/test_authorization_boundaries.py:504
"~/.ssh/id_rsa",
Why it matters. touches a credential store
LOWFilesystem / path · fs.traversal · CWE-22, CWE-59
scripts/conventional_changelog.py:188
parts.append(f" ([{short_hash}](../../commit/{commit.hash}))")
LOWFilesystem / path · fs.traversal · CWE-22, CWE-59
simplenote_mcp/scripts/analyze_logs.py:15
project_root = os.path.abspath(os.path.join(script_dir, "../../"))
LOWFilesystem / path · fs.traversal · CWE-22, CWE-59
simplenote_mcp/scripts/diagnose_api.py:21
project_root = os.path.abspath(os.path.join(script_dir, "../../"))

Gates applied: no_behavioural_pass.

Audited 2026-10-10 · audit v0.4.1 · source sha a89271f97d57full audit observations/trust-audit/mcp-server/docdyhr__simplenote-mcp-server.json · Report an issue / request a re-scan
05

Audit history

Every audit this server has had. A grade with a past is a grade somebody is still checking.

DateSourceVerdictGradeScoreChange
2026-10-10a89271f97d57CAUTIONF56first audit
06

Questions

What is the simplenote-mcp-server MCP server?

MCP Server for Simplenote integration with Claude Desktop

What tools does simplenote-mcp-server expose?

7 in total: 5 read-only, 2 that write, and 0 that can delete or overwrite. Every one is listed on this page with its risk.

Is simplenote-mcp-server safe to connect to an agent?

With care. The audit graded it F (56/100) and found 25 things worth knowing before you trust this server, listed below with the exact line each was found on.

What credentials does simplenote-mcp-server need?

It reads ALERT_SMTP_PASSWORD, ALERT_WEBHOOK_SECRET, DOCKER_TOKEN, GITHUB_TOKEN, HAS_OPENAI_KEY, HTTP_ENDPOINT_AUTH_TOKEN, MCP_HTTP_AUTH_TOKEN, PASS_RATE, QUALITY_GATE_PASSED, SESSION_SECRET_KEY, SIMPLENOTE_PASSWORD and SIMPLENOTE_TOKEN from the environment. Give it a token scoped to the least it needs — an agent that can be talked into calling a tool can be talked into calling it with your credentials.

How does simplenote-mcp-server run?

It speaks stdio and streamable-http, so it runs as a local process your client starts. It is published on npm as simplenote-mcp-server-evals at 1.0.0.

How current is this page?

The grade is for one exact copy of the source (a89271f97d57), read on 2026-10-10. The repository is watched and re-audited when it changes.

Advertisement