578 Identity, Data, and Cloud MCP Entries Need Control-Plane Review

The public Registry snapshot contained 578 MCP entries in security/auth, database, and cloud-provider categories. That is only 2.8% of the 20,629-entry snapshot, but these integrations sit close enough to identity, operational data, and cloud control planes that teams should review authority and recovery before adoption, not after first use.

Key Findings

1. Security/auth, database, and cloud-provider categories totaled 578 entries, or 2.8% of the public Registry snapshot.
2. The slice breaks down into 258 security/auth entries, 203 database entries, and 117 cloud-provider entries.
3. Small category size does not mean low operational consequence. These MCP servers can sit near credentials, business records, infrastructure APIs, and administrative workflows.
4. Adoption review should pair category with status, credential scope, data boundary, auditability, and rollback expectations.

Dataset

Item	Value
Article date	2026-06-23
Public Registry snapshot	20,629 entries
Snapshot last synced	2026-06-06T01:17:38.963Z
Production summary fetched	2026-06-23
Security/auth category	258 entries
Database category	203 entries
Cloud-provider category	117 entries
Combined identity/data/cloud slice	578 entries, 2.8% of the snapshot

Why This Slice Matters

Many MCP reviews start with volume: where are the most entries, which category is largest, and which status appears most often. Volume is useful, but it can understate categories that are small and privileged.

Security/auth MCP servers can sit near identity providers, secrets, sessions, user directories, or access-control workflows. Database MCP servers can expose structured business records and query authority. Cloud-provider MCP servers can reach infrastructure, logs, billing surfaces, deployment state, and administrative APIs.

The practical consequence is simple: a smaller category can still deserve a stricter intake path if it touches a control plane.

Review Questions Before Adoption

Credential Boundary

Ask who owns the credential, whether the MCP server uses a personal token or service credential, what scopes are granted, and how rotation works. For identity and cloud integrations, the credential decision is part of the security architecture, not a setup detail.

Data Boundary

For database and cloud-provider entries, define which schemas, projects, accounts, regions, logs, or storage locations are reachable. A read-only tool can still expose sensitive data if its boundary is too broad.

Mutation Boundary

Separate read, write, delete, deploy, and administrative operations. If an MCP server can change users, policies, infrastructure, records, or jobs, the review should require least privilege, test environments, approval flow, and rollback expectations.

Audit And Recovery

Teams should know whether actions can be tied to a user, agent, request, or credential. They should also know how to revoke access and reverse a mistaken change. This matters more for control-plane integrations than for low-authority content lookup tools.

Status Is Not Enough

The same public Registry snapshot still had 20,210 review/action rows across WARN, NEED_REVIEW, RESTRICT, and BLOCK. Category alone does not approve or reject adoption. It tells the reviewer which operational boundary to inspect first.

Practical Intake Pattern

For security/auth, database, and cloud-provider MCP entries, the intake record should capture five fields before the server enters an agent workflow:

1. Credential owner and scope
2. Data or resource boundary
3. Read/write/delete/admin capabilities
4. Audit evidence and log destination
5. Revocation and rollback path

This pattern keeps the review grounded in what the MCP server can reach, not only in what the package or README claims it does.

Limits

1. The counts come from public Registry aggregate categories, not from a claim that every entry in the slice is unsafe.
2. The category labels do not replace server-specific review. A database entry can be read-only or highly privileged depending on deployment.
3. The snapshot is time-bound and will change as the Registry updates.
4. This article uses public-safe aggregate evidence and does not disclose internal scoring mechanics or detection rules.

Conclusion

The 578-entry identity, data, and cloud slice shows why MCP adoption review should not be driven by category size alone. When an MCP server sits near identity, databases, or cloud administration, the review should start with credential scope, data boundary, mutation authority, auditability, and rollback.

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MCP Guard continuously turns public Registry evidence into practical adoption-review signals for MCP security teams.