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Notion MCP Server

Official Notion MCP server to search, create, and edit Notion pages and databases in Markdown.

@ai-supply
Installs15k
⟳ upstream v2.1.0 · updated 6mo ago
↗ Source repository
← More MarketingMarketing leaderboard →How we grade security →Source ↗
! Grade B · 88/100 · ReviewSecurity assessment
✓No compromise signals12capabilities surfaced1known CVE9of 20 OWASP controls clear
External endpoints declaredExternal endpoints declaredSuspicious network referencesBroad capability surface
scanned 1mo ago·osv · gitleaks · opengrep · picklescan + heuristics·full breakdown in the Security tab ↓

Notion MCP Server

The official Notion MCP Server lets AI assistants read from and write to your Notion workspace through the Model Context Protocol.

It exposes tools to search, retrieve, create, and update Notion pages and databases, including editing page content in Markdown with token consumption optimized for agents. Notion also offers a hosted remote MCP server with OAuth-based setup.

It is aimed at teams and individuals who want their AI assistant to manage notes, docs, and databases in Notion.

Rating rank
#1
of 13 in Marketing
Install rank
#9
of 13 in Marketing
Security score
88/100 · B
review
Security rank
#5
of 13 in Marketing
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15k
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! Security: Review · 8888/100 · grade Bscanned 1mo ago
✓ no compromise signals13 risk-surface · 5/20 OWASP controls flagged

Compromise signals — malicious or tampered code (leaked secrets, backdoors, a dropped executable) — reduce the score, and known dependency CVEs carry a bounded penalty (they warrant review but never QUARANTINE — update the dependency to clear). Other dangerous-by-capability traits are risk surface, expected for some capabilities. Every finding is mapped to its OWASP control below.

What this capability can do · high confidence (static)
Tools (11)
statusidpetIdlimitorgIddeptIdincludeMetadatadepthgetABcreateABgetComposed
⚑ filesystem⚑ network⚑ secrets
egress → registry.npmjs.org, spec.modelcontextprotocol.io, developers.notion.com, www.notion.so, docs.github.com, opencollective.com, paypal.me, tidelift.com +7

Findings mapped to the OWASP Top 10 for LLM Applications (2025) and the OWASP Machine Learning Security Top 10. Expand any flagged control for the exact findings — compromise reduces the score; expected/risk-surface do not, except a known CVE, which carries a small bounded penalty (high/critical → Review).

OWASP Top 10 for LLM Applications
⚠LLM03Supply Chainhigh
Vulnerable/compromised dependencies, models or archives in the artifact.
•Dependency manifest — 24 npm dependencies declared · makenotion-notion-mcp-server-d7e3bbd/package.jsonrisk surface
•Vulnerable dependencies — 8 known vulnerabilities in: multer@1.4.5-lts.1 (CWE-1395)known CVE · -12 pts
⚠LLM05Improper Output Handlinghigh
Code that pipes model/user output into shell, eval, SQL or paths unsafely.
•Suspicious code patterns — environment/secret exfiltration · makenotion-notion-mcp-server-d7e3bbd/scripts/start-server.ts (CWE-200)risk surface
•Suspicious code patterns — dynamic code execution · makenotion-notion-mcp-server-d7e3bbd/src/openapi-mcp-server/mcp/token.ts (CWE-95)risk surface
⚠LLM06Excessive Agencyhigh
Over-broad tool/permission surface or unrestricted egress.
•External endpoints declared — 1 distinct host(s) · makenotion-notion-mcp-server-d7e3bbd/.github/workflows/increment-version.ymlrisk surface
•External endpoints declared — 2 distinct host(s) · makenotion-notion-mcp-server-d7e3bbd/CLAUDE.mdrisk surface
•Broad capability surface — 3 high-impact capability categories referenced — verify least-privilege · makenotion-notion-mcp-server-d7e3bbd/README.md (CWE-272)risk surface
•External endpoints declared — 6 distinct host(s) · makenotion-notion-mcp-server-d7e3bbd/README.mdrisk surface
•External endpoints declared — 7 distinct host(s) · makenotion-notion-mcp-server-d7e3bbd/package-lock.jsonrisk surface
•External endpoints declared — 3 distinct host(s) · makenotion-notion-mcp-server-d7e3bbd/scripts/notion-openapi.jsonrisk surface
•Egress to a private/loopback host — 127.0.0.1, [::1] · makenotion-notion-mcp-server-d7e3bbd/scripts/server-options.test.ts (CWE-918)risk surface
§LLM09MisinformationGovernance
Artifacts designed to produce false/deceptive output.
Detectable only by runtime behavioral evaluation; addressed via responsible-use attestation.
◷LLM10Unbounded ConsumptionRuntime-enforced
Unbounded loops/recursion causing DoS or runaway cost.
Enforced at runtime by the gateway (rate limits + spend caps + size caps); static check flags unbounded loops.
✓LLM01Prompt InjectionPassed
✓LLM02Sensitive Information DisclosurePassed
✓LLM04Data and Model PoisoningPassed
Backdoors/poisoning in training data or serialized models.
Behavioral poisoning needs model execution; static check covers unsafe serialization + dataset skew only.
✓LLM07System Prompt LeakagePassed
✓LLM08Vector and Embedding WeaknessesPassed
PII or plaintext source leakage in embedding/vector exports.
Embedding inversion/poisoning is largely runtime; static check covers PII in vector exports.
OWASP Machine Learning Security Top 10
⚠ML06AI Supply Chainhigh
Compromised PyPI/npm packages, typosquats, unsafe serialized models.
•Dependency manifest — 24 npm dependencies declared · makenotion-notion-mcp-server-d7e3bbd/package.jsonrisk surface
•Vulnerable dependencies — 8 known vulnerabilities in: multer@1.4.5-lts.1 (CWE-1395)known CVE · -12 pts
⚠ML09Output Integrityhigh
Middleware tampering with model outputs in transit.
Gateway enforces TLS + response integrity; static check flags output-rewriting code.
•Suspicious code patterns — environment/secret exfiltration · makenotion-notion-mcp-server-d7e3bbd/scripts/start-server.ts (CWE-200)risk surface
•Suspicious code patterns — dynamic code execution · makenotion-notion-mcp-server-d7e3bbd/src/openapi-mcp-server/mcp/token.ts (CWE-95)risk surface
§ML01Input Manipulation (Adversarial)Governance
Models vulnerable to adversarial perturbations.
Requires runtime robustness evaluation; addressed via publisher robustness attestation.
§ML03Model InversionGovernance
Training data reconstructable from a model's outputs.
Runtime/evaluation property; addressed via model-card data-provenance + DP attestation.
§ML04Membership InferenceGovernance
Determining whether a record was in the training set.
Runtime/evaluation property; addressed via overfitting disclosure + DP attestation.
§ML08Model SkewingGovernance
Models trained on skewed data producing biased output.
Requires fairness evaluation; addressed via model-card bias/limitations disclosure.
✓ML02Data PoisoningPassed
Poisoned training datasets with triggers or anomalous distributions.
Static check covers trigger phrasing, PII and label skew; full poisoning detection is runtime.
✓ML05Model TheftPassed
Unlicensed re-distribution / license-incompatible derivatives.
Static check verifies license declaration; extraction throttling is runtime.
✓ML07Transfer Learning AttackPassed
Backdoored base models / LoRA adapters propagating to derivatives.
Backdoor detection needs behavioral probing; static check covers unsafe serialization + provenance.
✓ML10Model Poisoning (Weights)Passed
Tampered model weight files; integrity must be verifiable.
Static check enforces safe formats + records a content hash for downstream verification.
Other findings (7) · hygiene / uncategorized
•Unrecognized file type — '.dockerignore' is not on the allowlist · makenotion-notion-mcp-server-d7e3bbd/.dockerignorerisk surface
•Unrecognized file type — '.gitignore' is not on the allowlist · makenotion-notion-mcp-server-d7e3bbd/.gitignorerisk surface
•Unrecognized file type — '.?' is not on the allowlist · makenotion-notion-mcp-server-d7e3bbd/Dockerfilerisk surface
•Suspicious network references — raw IP URL (11 URLs) · makenotion-notion-mcp-server-d7e3bbd/README.mdrisk surface
•Suspicious network references — raw IP URL (5 URLs) · makenotion-notion-mcp-server-d7e3bbd/scripts/server-options.test.tsrisk surface
•Suspicious network references — raw IP URL (1 URLs) · makenotion-notion-mcp-server-d7e3bbd/src/openapi-mcp-server/client/__tests__/test-server.tsrisk surface
•Unrecognized file type — '.snap' is not on the allowlist · makenotion-notion-mcp-server-d7e3bbd/src/openapi-mcp-server/openapi/__tests__/__snapshots__/notion-spec.snapshot.test.ts.snaprisk surface
✔ verified source · pinned makenotion-notion-mcp-server-d7e3bbd
Check against a policy

The same gate an agent runs before installing (POST /api/v1/trust/notion-mcp-server/check). Click a policy:

Consume Notion MCP Server programmatically. Authenticate with an API key or session — see Authorize an agent.

# Agents: CHECK BEFORE YOU INSTALL (no auth) — score, grade, level, capability manifest
curl https://ai-supply.store/api/v1/trust/notion-mcp-server

# Gate against your org policy (returns { pass, violations })
curl -X POST https://ai-supply.store/api/v1/trust/notion-mcp-server/check \
  -H "Content-Type: application/json" \
  -d '{"minGrade":"B","denyPermissions":["shell"],"denyUnknownEgress":true}'

# CLI
npx ai-supply add notion-mcp-server

# REST (install → download)
curl -X POST https://ai-supply.store/api/v1/listings/notion-mcp-server/install \
  -H "Authorization: Bearer $AIM_KEY"

# MCP tool
install_listing({ "slug": "notion-mcp-server" })
OpenAPI spec →
vlatest
! Security: Review · 881mo ago

Curated mirror — latest upstream source. See the repository for tagged releases.

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