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Generate MCP capability declarations from tool and resource inventory with proper versioning and feature flags.
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Based on SOC occupation classification
| name | mcp-capability-declarator |
| description | Generate MCP capability declarations from tool and resource inventory with proper versioning and feature flags. |
| allowed-tools | Read, Write, Edit, Bash, Glob, Grep |
| graph | {"domains":["domain:software-engineering"],"specializations":["specialization:cli-mcp-development"],"skillAreas":["skill-area:mcp-server-implementation","skill-area:mcp-tool-design"],"roles":["role:backend-engineer","role:platform-engineer"],"workflows":["workflow:feature-development"],"topics":["topic:developer-experience"]} |
Generate MCP capability declarations from tool/resource inventory.
Invoke this skill when you need to:
| Parameter | Type | Required | Description |
|---|---|---|---|
| serverName | string | Yes | Server name |
| version | string | Yes | Server version |
| tools | array | No | Tool capabilities |
| resources | array | No | Resource capabilities |
| prompts | array | No | Prompt capabilities |
import { ServerCapabilities, InitializationOptions } from '@modelcontextprotocol/sdk/types.js';
// Server metadata
export const SERVER_INFO = {
name: 'my-mcp-server',
version: '1.0.0',
} as const;
// Capability declarations
export const CAPABILITIES: ServerCapabilities = {
tools: {
// Tool capabilities
listChanged: true,
},
resources: {
// Resource capabilities
subscribe: true,
listChanged: true,
},
prompts: {
// Prompt capabilities
listChanged: true,
},
logging: {},
};
// Tool definitions
export const TOOL_DEFINITIONS = [
{
name: 'search_files',
description: 'Search for files matching a pattern',
inputSchema: {
type: 'object',
properties: {
pattern: { type: 'string', description: 'Glob pattern' },
path: { type: 'string', description: 'Base path' },
},
required: ['pattern'],
},
},
{
name: 'read_file',
description: 'Read contents of a file',
inputSchema: {
type: 'object',
properties: {
path: { type: 'string', description: 'File path' },
},
required: ['path'],
},
},
] as const;
// Resource templates
export const RESOURCE_TEMPLATES = [
{
uriTemplate: 'file:///{path}',
name: 'File',
description: 'Access file contents',
mimeType: 'text/plain',
},
] as const;
// Create initialization options
export function createInitializationOptions(): InitializationOptions {
return {
serverInfo: SERVER_INFO,
capabilities: CAPABILITIES,
};
}
// Capability documentation
export const CAPABILITY_DOCS = `
# ${SERVER_INFO.name} v${SERVER_INFO.version}
## Supported Capabilities
### Tools
${TOOL_DEFINITIONS.map(t => `- **${t.name}**: ${t.description}`).join('\n')}
### Resources
- File access via \`file:///\` URI scheme
- Resource subscription support
- List change notifications
### Prompts
- Dynamic prompt templates
- List change notifications
## Feature Flags
- Tool list change notifications: enabled
- Resource subscriptions: enabled
`;
from dataclasses import dataclass
from typing import List, Dict, Any
@dataclass
class ServerInfo:
name: str = "my-mcp-server"
version: str = "1.0.0"
@dataclass
class ToolDefinition:
name: str
description: str
input_schema: Dict[str, Any]
TOOL_DEFINITIONS: List[ToolDefinition] = [
ToolDefinition(
name="search_files",
description="Search for files matching a pattern",
input_schema={
"type": "object",
"properties": {
"pattern": {"type": "string"},
"path": {"type": "string"},
},
"required": ["pattern"],
},
),
]
CAPABILITIES = {
"tools": {"listChanged": True},
"resources": {"subscribe": True, "listChanged": True},
"prompts": {"listChanged": True},
"logging": {},
}
def create_initialization_options() -> dict:
return {
"serverInfo": {
"name": ServerInfo.name,
"version": ServerInfo.version,
},
"capabilities": CAPABILITIES,
}
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