Resources¶
The Actian MCP Server for Actian NoSQL provides built-in resources that enables comprehensive database schema discovery.
Response format
Resources return results as text content — the data is serialized as a JSON string in a text content item within the contents array. Unlike tools, resources do not use structuredContent.
Available Resources¶
| Resource URI | Purpose |
|---|---|
db://schema/classes | List all classes and their inheritance hierarchy |
db://schema/classes/count | Total number of classes in the schema |
db://schema/class/{className} | Schema details for a specific class |
db://schema/complete | Complete schema for all classes |
db://schema/classes¶
Lists all classes in the database schema and their inheritance hierarchy. Returns each class name and its direct parent classes (if any).
Parameters¶
This resource takes no input parameters.
Output Schema¶
{
"classes": [
{
"name": "string", // class name
"superclasses": ["string"] // list of direct parent class names; empty if none
}
],
"count": 0 // total number of classes
}
Example¶
{
"classes": [
{ "name": "Project", "superclasses": [] },
{ "name": "Skill", "superclasses": [] },
{ "name": "Employee", "superclasses": ["Worker"] },
{ "name": "Contractor", "superclasses": ["Worker"] },
{ "name": "Address", "superclasses": [] },
{ "name": "Worker", "superclasses": [] },
{ "name": "Certificate", "superclasses": [] }
],
"count": 7
}
db://schema/classes/count¶
Returns the total number of classes in the database schema.
Parameters¶
This resource takes no input parameters.
Output Schema¶
{
"count": 0 // total number of classes
}
Example¶
{
"count": 7
}
db://schema/class/{className}¶
Describes the schema of a specific class, including its direct superclasses, declared fields, and all inherited fields. {className} is a URI template parameter — replace it with the name of the class you want to inspect (for example, db://schema/class/Employee).
Parameters¶
| Parameter | Description |
|---|---|
className | The name of the class to describe (case-sensitive). |
Output Schema¶
{
"name": "string", // class name
"superclasses": [
{
"name": "string", // direct parent class name
"superclasses": ["string"] // parent's own direct parents; empty if none
}
],
"declaredFields": [
{ "name": "string", "type": "string" }
],
"allFields": [
{ "name": "string", "type": "string" }
]
}
Example¶
{
"name": "Employee",
"superclasses": [
{ "name": "Worker", "superclasses": [] }
],
"declaredFields": [
{ "name": "annualSalary", "type": "int" },
{ "name": "department", "type": "java.lang.String" },
{ "name": "subordinates", "type": "java.util.List" },
"..."
],
"allFields": [
{ "name": "active", "type": "boolean" },
{ "name": "address", "type": "Address {city: java.lang.String; street: java.lang.String; }" },
{ "name": "name", "type": "java.lang.String" },
{ "name": "annualSalary", "type": "int" },
{ "name": "department", "type": "java.lang.String" },
"..."
]
}
db://schema/complete¶
Returns the complete database schema with detailed field information for every class. Each entry includes the class name, direct superclasses, declared fields, and all inherited fields. Prefer this resource when you need a complete picture of the data model upfront, instead of calling db://schema/classes followed by multiple db://schema/class/{className} reads.
Parameters¶
This resource takes no input parameters.
Output Schema¶
{
"classes": [
{
"name": "string", // class name
"superclasses": [
{
"name": "string", // direct parent class name
"superclasses": ["string"] // parent's own direct parents; empty if none
}
],
"declaredFields": [
{ "name": "string", "type": "string" }
],
"allFields": [
{ "name": "string", "type": "string" }
]
}
],
"count": 0 // total number of classes
}
Example¶
{
"classes": [
{
"name": "Project",
"superclasses": [],
"declaredFields": [
{ "name": "budget", "type": "int" },
{ "name": "projectName", "type": "java.lang.String" }
],
"allFields": [
{ "name": "budget", "type": "int" },
{ "name": "projectName", "type": "java.lang.String" }
]
},
{
"name": "Employee",
"superclasses": [{ "name": "Worker", "superclasses": [] }],
"declaredFields": [
{ "name": "annualSalary", "type": "int" },
{ "name": "department", "type": "java.lang.String" }
],
"allFields": [
{ "name": "active", "type": "boolean" },
{ "name": "name", "type": "java.lang.String" },
{ "name": "annualSalary", "type": "int" },
{ "name": "department", "type": "java.lang.String" }
]
},
{
"name": "Worker",
"superclasses": [],
"declaredFields": [
{ "name": "active", "type": "boolean" },
{ "name": "name", "type": "java.lang.String" }
],
"allFields": [
{ "name": "active", "type": "boolean" },
{ "name": "name", "type": "java.lang.String" }
]
},
"..."
],
"count": 7
}