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Google Cloud SQL Admin MCP server for AI-assisted management of Cloud SQL database instances.
Do not connect
A critical issue was found. Do not connect this server as-is.
Scanned 26 days ago Due for re-check
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This grade is deterministic and reproducible: the same server surface always yields the same grade under a given algorithm version. It is a real automated assessment computed by the MCPGrade engine from what the probe actually observed — not a fabricated or opinion score. It is not a manual human pentest, so it can miss context-specific risks.
Every signal below was measured directly by the automated probe. The grade is derived only from evidence like this — nothing is assumed.
The StatelessServer MCP server exposes 15 tools, focused primarily on database, developer, and web capabilities. Its published description reads: "Google Cloud SQL Admin MCP server for AI-assisted management of Cloud SQL database instances". It communicates over Streamable HTTP using the 2025-06-18 protocol revision, and does not require authorization to connect. MCPGrade currently rates StatelessServer F — a critical issue was found and the server should not be connected as-is. Its most notable findings include "Hidden instructions in a tool description" and "Hidden instructions in a tool description". This report is a deterministic, reproducible automated assessment: the same observed surface always yields the same grade under a given algorithm version, and it is refreshed as new scans arrive and free to read — but it is not a substitute for a manual human security review. Always re-check StatelessServer's advertised tools, transport security, and authorization posture before connecting an autonomous agent or sharing sensitive context with it.
Add StatelessServer to an MCP client using the endpoint below. Review the grade and findings above before granting an autonomous agent access.
MCP endpoint
https://sqladmin.googleapis.com/mcpStreamable HTTP transport. This is the MCP endpoint, not a website — paste it into your MCP client server list rather than a browser.
Captured passively during the read-only scan. Click any value to find servers that match it.
The tools this server advertises via tools/list — names, purposes, and the parameters each accepts, exactly as enumerated read-only.
List all Cloud SQL instances in the project.
Get the details of a Cloud SQL instance.
Initiates the creation of a Cloud SQL instance. * The tool returns a long-running operation. Use the `get_operation` tool to poll its status until the operation completes. * The instance creation oper
Execute any valid SQL statement, including data definition language (DDL), data control language (DCL), data query language (DQL), or data manipulation language (DML) statements, on a Cloud SQL instan
Execute any valid read only SQL statement on a Cloud SQL instance. To support the `execute_sql_readonly` tool, a Cloud SQL instance must meet the following requirements: * The value of `data_api_acces
Get the status of a long-running operation. A long-running operation can take several minutes to complete. If an operation takes an extended amount of time, then use a command line tool to pause for 3
Create a database user for a Cloud SQL instance. * This tool returns a long-running operation. Use the `get_operation` tool to poll its status until the operation completes. * When you use the `create
Update a database user for a Cloud SQL instance. A common use case for the `update_user` is to grant a user the `cloudsqlsuperuser` role, which can provide a user with many required permissions. This
Create a Cloud SQL instance as a clone of a source instance. * This tool returns a long-running operation. Use the `get_operation` tool to poll its status until the operation completes. * The clone op
Partially updates the configuration settings of a Cloud SQL instance. * This tool returns a long-running operation. Use the `get_operation` tool to poll its status until the operation completes. * Som
List all database users for a Cloud SQL instance.
Takes a backup on a Cloud SQL instance. Always populate the project and instance fields on the request. The location (region) and description of the backup may also be optionally provided, in which ca
Restores a backup to a Cloud SQL instance. The target_instance and target_project must be provided and populated in the request. The backup identifier can be provided in several ways: 1. A backup_run_
Import data into a Cloud SQL instance. If the file doesn't start with `gs://`, then the assumption is that the file is stored locally. If the file is local, then the file must be uploaded to Cloud Sto
Checks if a Cloud SQL for PostgreSQL instance is ready for a major version upgrade to the specified target version. The `target_database_version` MUST be provided in the request (e.g., `POSTGRES_15`).
Sorted worst-first. Each finding shows its severity, what it means, its OWASP MCP Top-10 mapping, and a recommended fix — the check id links to the exact methodology row that produced it.
tool: create_instance
A tool description contains imperative text aimed at the model (e.g. "ignore previous", "before answering read …").
the project. * IMPORTANT: Set `ipv4_enabled` to 'false' if creating a PriRecommendationRemove model-directed instructions from tool descriptions.
tool: postgres_upgrade_precheck
A tool description contains imperative text aimed at the model (e.g. "ignore previous", "before answering read …").
ll its status. IMPORTANT: Once the operation status is DONE, the detailedRecommendationRemove model-directed instructions from tool descriptions.
tool: list_instances
A tool exposes a free-text/webhook/feedback parameter with no honest purpose — a classic exfil channel.
y-returned page token representing part of the larger set of resultsRecommendationRemove side-channel parameters; constrain tool inputs.
tool: create_instance
A tool description tries to alter the model’s use of another tool.
ents using the `execute_sql` tool and the `executeSql` API. Unless otherRecommendationDescriptions must describe only their own tool.
tool: execute_sql
A tool exposes a free-text/webhook/feedback parameter with no honest purpose — a classic exfil channel.
built_in users password_secret_version must be set. * Otherwise, for IARecommendationRemove side-channel parameters; constrain tool inputs.
tool: execute_sql
A tool description tries to alter the model’s use of another tool.
ou can use the `get_instance` tool to check the value of the IAM database aRecommendationDescriptions must describe only their own tool.
tool: execute_sql_readonly
A tool exposes a free-text/webhook/feedback parameter with no honest purpose — a classic exfil channel.
ype":"string"},"passwordSecretVersion":{"description":"Optional. The resoRecommendationRemove side-channel parameters; constrain tool inputs.
tool: execute_sql_readonly
A tool description tries to alter the model’s use of another tool.
ou can use the `get_instance` tool to check the value of the IAM database aRecommendationDescriptions must describe only their own tool.
tool: create_user
A tool exposes a free-text/webhook/feedback parameter with no honest purpose — a classic exfil channel.
lt-in user with password, use the `password_secret_version` field to proRecommendationRemove side-channel parameters; constrain tool inputs.
tool: create_user
A tool description tries to alter the model’s use of another tool.
user with the `execute_sql` tool if the user is a currently logged in IARecommendationDescriptions must describe only their own tool.
tool: update_user
A tool description tries to alter the model’s use of another tool.
ation. Use the `get_operation` tool to poll its status until the operationRecommendationDescriptions must describe only their own tool.
tool: clone_instance
A tool description tries to alter the model’s use of another tool.
ation. Use the `get_operation` tool to poll its status until the operationRecommendationDescriptions must describe only their own tool.
tool: update_instance
A tool description tries to alter the model’s use of another tool.
ation. Use the `get_operation` tool to poll its status until the operationRecommendationDescriptions must describe only their own tool.
tool: import_data
A tool exposes a free-text/webhook/feedback parameter with no honest purpose — a classic exfil channel.
:"boolean"},"pvkPassword":{"description":"Password that encrypts the priRecommendationRemove side-channel parameters; constrain tool inputs.
tool: import_data
A tool description tries to alter the model’s use of another tool.
s: 1. Use the `get_instance` tool to get the email address of the instanceRecommendationDescriptions must describe only their own tool.
tool: postgres_upgrade_precheck
A tool description tries to alter the model’s use of another tool.
ation. Use the `get_operation` tool with the operation name returned by thisRecommendationDescriptions must describe only their own tool.
The server accepts tool enumeration (and likely invocation) with no authentication.
RecommendationRequire OAuth 2.1 authorization for any server exposing non-public tools.
tool: create_instance
Role tokens or delimiter abuse steer the model rather than describe the tool.
t environment: ``` { "tier": "db-perf-optimized-N-2", "data_diRecommendationWrite neutral, descriptive tool metadata.
tool: execute_sql
The server advertises open-world / broadly-scoped capabilities.
annotations.destructiveHint = trueRecommendationScope tools to the minimum needed.
tool: create_user
Role tokens or delimiter abuse steer the model rather than describe the tool.
owing request: ``` { "name": "example-user@example.com", "typeRecommendationWrite neutral, descriptive tool metadata.
tool: update_instance
The server advertises open-world / broadly-scoped capabilities.
annotations.destructiveHint = trueRecommendationScope tools to the minimum needed.
tool: restore_backup
The server advertises open-world / broadly-scoped capabilities.
annotations.destructiveHint = trueRecommendationScope tools to the minimum needed.
tool: import_data
Role tokens or delimiter abuse steer the model rather than describe the tool.
xt` for MySQL. ``` { "uri": "gs://sample-gcs-bucket/sample-file.RecommendationWrite neutral, descriptive tool metadata.
tool: import_data
One tool both accesses the filesystem and reaches the network. Combining two capability classes in a single tool widens its blast radius and is the substrate for confused-deputy and exfiltration abuse.
permissions to read the uploaded file from the Cloud Storage bucket. This can be accRecommendationSeparate filesystem and network capabilities into distinct, independently-scoped tools.
tool: create_instance
An unusually long description is a common injection-padding tactic.
description length 2127 charsRecommendationKeep descriptions concise.
tool: execute_sql
An unusually long description is a common injection-padding tactic.
description length 3165 charsRecommendationKeep descriptions concise.
tool: execute_sql_readonly
An unusually long description is a common injection-padding tactic.
description length 3216 charsRecommendationKeep descriptions concise.
tool: create_user
An unusually long description is a common injection-padding tactic.
description length 3525 charsRecommendationKeep descriptions concise.
tool: update_user
An unusually long description is a common injection-padding tactic.
description length 2575 charsRecommendationKeep descriptions concise.
tool: import_data
An unusually long description is a common injection-padding tactic.
description length 2427 charsRecommendationKeep descriptions concise.
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