# Agent Layer

### Overview <a href="#overview" id="overview"></a>

Agent layer are modular extensions that add specific capabilities to AINexLayer. They can integrate with external APIs, perform specialized calculations, handle custom data formats, and provide domain-specific functionality.

**Skill Concepts**

#### What is a Agent Layer? <a href="#what-is-a-custom-skill" id="what-is-a-custom-skill"></a>

* **Modular Extension**: Self-contained functionality module
* **API Integration**: Connect with external services and APIs
* **Custom Logic**: Implement specialized business logic
* **Tool Integration**: Provide tools for AI agents
* **Reusable Component**: Shareable across workspaces

#### Skill Types <a href="#skill-types" id="skill-types"></a>

* **API Skills**: Integrate with external APIs and services
* **Data Processing Skills**: Handle custom data formats and processing
* **Analysis Skills**: Perform specialized analysis and calculations
* **Communication Skills**: Handle various communication channels
* **Integration Skills**: Connect with enterprise systems

### Creating Agent Layer <a href="#creating-custom-skills" id="creating-custom-skills"></a>

<figure><img src="/files/y8x2gGi6mMPLviqZr5iU" alt=""><figcaption></figcaption></figure>

#### Basic Skill Structure <a href="#basic-skill-structure" id="basic-skill-structure"></a>

```javascript
// Example agent layer
class WeatherSkill {
  constructor(config) {
    this.name = 'weather';
    this.description = 'Get weather information for a location';
    this.config = config;
  }

  async execute(params) {
    const { location, units = 'metric' } = params;

    try {
      const response = await fetch(
        `https://api.openweathermap.org/data/2.5/weather?q=${location}&units=${units}&appid=${this.config.apiKey}`
      );

      const data = await response.json();

      return {
        success: true,
        data: {
          location: data.name,
          temperature: data.main.temp,
          description: data.weather[0].description,
          humidity: data.main.humidity
        }
      };
    } catch (error) {
      return {
        success: false,
        error: error.message
      };
    }
  }
}
```

#### Skill Configuration <a href="#skill-configuration" id="skill-configuration"></a>

```json
{
  "skill": {
    "name": "weather",
    "version": "1.0.0",
    "description": "Get weather information for any location",
    "author": "Your Name",
    "category": "utilities",
    "parameters": {
      "location": {
        "type": "string",
        "required": true,
        "description": "City name or coordinates"
      },
      "units": {
        "type": "string",
        "required": false,
        "default": "metric",
        "enum": ["metric", "imperial"],
        "description": "Temperature units"
      }
    },
    "config": {
      "apiKey": {
        "type": "string",
        "required": true,
        "description": "OpenWeatherMap API key"
      }
    }
  }
}
```

### Skill Development <a href="#skill-development" id="skill-development"></a>

#### Development Environment <a href="#development-environment" id="development-environment"></a>

```bash
# Create skill directory
mkdir my-custom-skill
cd my-custom-skill

# Initialize skill
npm init -y

# Install dependencies
npm install axios dotenv

# Create skill file
touch index.js
```

#### Skill Template <a href="#skill-template" id="skill-template"></a>

```javascript
const axios = require('axios');

class MyCustomSkill {
  constructor(config) {
    this.name = 'my-custom-skill';
    this.description = 'Description of what this skill does';
    this.config = config;
    this.validateConfig();
  }

  validateConfig() {
    const required = ['apiKey'];
    for (const key of required) {
      if (!this.config[key]) {
        throw new Error(`Missing required config: ${key}`);
      }
    }
  }

  async execute(params) {
    try {
      // Validate parameters
      this.validateParams(params);

      // Execute skill logic
      const result = await this.performAction(params);

      return {
        success: true,
        data: result
      };
    } catch (error) {
      return {
        success: false,
        error: error.message
      };
    }
  }

  validateParams(params) {
    // Add parameter validation logic
  }

  async performAction(params) {
    // Add skill implementation
  }
}

module.exports = MyCustomSkill;
```

#### Testing Skills <a href="#testing-skills" id="testing-skills"></a>

```javascript
// test.js
const MyCustomSkill = require('./index');

async function testSkill() {
  const skill = new MyCustomSkill({
    apiKey: 'your-api-key'
  });

  const result = await skill.execute({
    param1: 'value1',
    param2: 'value2'
  });

  console.log('Skill result:', result);
}

testSkill();
```

### Skill Categories <a href="#skill-categories" id="skill-categories"></a>

#### API Integration Skills <a href="#api-integration-skills" id="api-integration-skills"></a>

```javascript
class SlackSkill {
  constructor(config) {
    this.name = 'slack';
    this.description = 'Send messages to Slack channels';
    this.config = config;
  }

  async execute(params) {
    const { channel, message, username } = params;

    try {
      const response = await axios.post(
        'https://slack.com/api/chat.postMessage',
        {
          channel: channel,
          text: message,
          username: username || 'AINexLayer'
        },
        {
          headers: {
            'Authorization': `Bearer ${this.config.botToken}`,
            'Content-Type': 'application/json'
          }
        }
      );

      if (response.data.ok) {
        return {
          success: true,
          data: {
            message: 'Message sent successfully',
            timestamp: response.data.ts
          }
        };
      } else {
        throw new Error(response.data.error);
      }
    } catch (error) {
      return {
        success: false,
        error: error.message
      };
    }
  }
}
```

#### Data Processing Skills <a href="#data-processing-skills" id="data-processing-skills"></a>

```javascript
class CSVProcessorSkill {
  constructor(config) {
    this.name = 'csv-processor';
    this.description = 'Process and analyze CSV data';
    this.config = config;
  }

  async execute(params) {
    const { csvData, operation, options = {} } = params;

    try {
      const data = this.parseCSV(csvData);
      let result;

      switch (operation) {
        case 'analyze':
          result = this.analyzeData(data, options);
          break;
        case 'filter':
          result = this.filterData(data, options);
          break;
        case 'aggregate':
          result = this.aggregateData(data, options);
          break;
        default:
          throw new Error(`Unknown operation: ${operation}`);
      }

      return {
        success: true,
        data: result
      };
    } catch (error) {
      return {
        success: false,
        error: error.message
      };
    }
  }

  parseCSV(csvData) {
    // CSV parsing logic
  }

  analyzeData(data, options) {
    // Data analysis logic
  }

  filterData(data, options) {
    // Data filtering logic
  }

  aggregateData(data, options) {
    // Data aggregation logic
  }
}
```

#### Analysis Skills <a href="#analysis-skills" id="analysis-skills"></a>

```javascript
class SentimentAnalysisSkill {
  constructor(config) {
    this.name = 'sentiment-analysis';
    this.description = 'Analyze text sentiment';
    this.config = config;
  }

  async execute(params) {
    const { text, language = 'en' } = params;

    try {
      const sentiment = await this.analyzeSentiment(text, language);

      return {
        success: true,
        data: {
          text: text,
          sentiment: sentiment.label,
          confidence: sentiment.confidence,
          scores: sentiment.scores
        }
      };
    } catch (error) {
      return {
        success: false,
        error: error.message
      };
    }
  }

  async analyzeSentiment(text, language) {
    // Implement sentiment analysis logic
    // This could use external APIs, local models, or libraries
  }
}
```

### Skill Deployment <a href="#skill-deployment" id="skill-deployment"></a>

#### Local Deployment <a href="#local-deployment" id="local-deployment"></a>

```bash
# Copy skill to skills directory
cp -r my-custom-skill /path/to/ainexlayer/skills/

# Register skill
curl -X POST http://localhost:3001/api/v1/skills/register \
  -H "Content-Type: application/json" \
  -d '{
    "name": "my-custom-skill",
    "path": "/path/to/ainexlayer/skills/my-custom-skill"
  }'
```

#### Package Deployment <a href="#package-deployment" id="package-deployment"></a>

```json
{
  "package": {
    "name": "ainexlayer-weather-skill",
    "version": "1.0.0",
    "description": "Weather information skill for AINexLayer",
    "main": "index.js",
    "keywords": ["ainexlayer", "skill", "weather"],
    "author": "Your Name",
    "license": "MIT",
    "dependencies": {
      "axios": "^1.0.0"
    }
  }
}
```

#### Skill Registry <a href="#skill-registry" id="skill-registry"></a>

```json
{
  "registry": {
    "skills": [
      {
        "name": "weather",
        "version": "1.0.0",
        "description": "Get weather information",
        "author": "Your Name",
        "category": "utilities",
        "downloadUrl": "https://github.com/yourname/ainexlayer-weather-skill",
        "installCommand": "npm install ainexlayer-weather-skill"
      }
    ]
  }
}
```

### Skill Management <a href="#skill-management" id="skill-management"></a>

#### Skill Lifecycle <a href="#skill-lifecycle" id="skill-lifecycle"></a>

* **Development**: Create and test skills
* **Registration**: Register skills with AINexLayer
* **Configuration**: Configure skill parameters
* **Deployment**: Deploy skills to workspaces
* **Monitoring**: Monitor skill performance
* **Updates**: Update and maintain skills

#### Skill Permissions <a href="#skill-permissions" id="skill-permissions"></a>

```json
{
  "permissions": {
    "skill": "weather",
    "access": {
      "read": ["user123", "group:weather-users"],
      "execute": ["user456", "group:weather-admins"],
      "admin": ["user789"]
    },
    "workspaces": ["workspace-123", "workspace-456"]
  }
}
```

#### Skill Configuration <a href="#skill-configuration-1" id="skill-configuration-1"></a>

```json
{
  "configuration": {
    "skill": "weather",
    "workspace": "workspace-123",
    "config": {
      "apiKey": "your-api-key",
      "defaultUnits": "metric",
      "cacheTimeout": 300
    },
    "enabled": true,
    "autoExecute": false
  }
}
```

### Advanced Skill Features <a href="#advanced-skill-features" id="advanced-skill-features"></a>

#### Skill Chaining <a href="#skill-chaining" id="skill-chaining"></a>

```javascript
class WorkflowSkill {
  constructor(config) {
    this.name = 'workflow';
    this.description = 'Execute a sequence of skills';
    this.config = config;
  }

  async execute(params) {
    const { steps } = params;
    const results = [];

    for (const step of steps) {
      const skill = this.getSkill(step.skill);
      const result = await skill.execute(step.params);
      results.push(result);

      if (!result.success) {
        break;
      }
    }

    return {
      success: true,
      data: {
        steps: results,
        completed: results.length
      }
    };
  }
}
```

#### Skill Caching <a href="#skill-caching" id="skill-caching"></a>

```javascript
class CachedSkill {
  constructor(config) {
    this.name = 'cached-skill';
    this.description = 'Skill with caching capabilities';
    this.config = config;
    this.cache = new Map();
  }

  async execute(params) {
    const cacheKey = this.generateCacheKey(params);

    if (this.cache.has(cacheKey)) {
      return this.cache.get(cacheKey);
    }

    const result = await this.performAction(params);
    this.cache.set(cacheKey, result);

    return result;
  }

  generateCacheKey(params) {
    return JSON.stringify(params);
  }
}
```

#### Skill Validation <a href="#skill-validation" id="skill-validation"></a>

```javascript
class ValidatedSkill {
  constructor(config) {
    this.name = 'validated-skill';
    this.description = 'Skill with input validation';
    this.config = config;
  }

  async execute(params) {
    const validation = this.validateParams(params);

    if (!validation.valid) {
      return {
        success: false,
        error: 'Invalid parameters',
        details: validation.errors
      };
    }

    return await this.performAction(params);
  }

  validateParams(params) {
    const errors = [];

    if (!params.requiredField) {
      errors.push('requiredField is required');
    }

    if (params.optionalField && typeof params.optionalField !== 'string') {
      errors.push('optionalField must be a string');
    }

    return {
      valid: errors.length === 0,
      errors: errors
    };
  }
}
```

### Skill Testing <a href="#skill-testing" id="skill-testing"></a>

#### Unit Testing <a href="#unit-testing" id="unit-testing"></a>

```javascript
// test/skill.test.js
const WeatherSkill = require('../index');
const assert = require('assert');

describe('WeatherSkill', () => {
  let skill;

  beforeEach(() => {
    skill = new WeatherSkill({
      apiKey: 'test-api-key'
    });
  });

  it('should execute successfully with valid parameters', async () => {
    const result = await skill.execute({
      location: 'London',
      units: 'metric'
    });

    assert(result.success === true);
    assert(result.data.location === 'London');
  });

  it('should handle invalid location', async () => {
    const result = await skill.execute({
      location: 'InvalidCity123',
      units: 'metric'
    });

    assert(result.success === false);
    assert(result.error);
  });
});
```

#### Integration Testing <a href="#integration-testing" id="integration-testing"></a>

```javascript
// test/integration.test.js
const AINexLayer = require('ainexlayer-sdk');

describe('Skill Integration', () => {
  let ainexlayer;

  beforeEach(() => {
    ainexlayer = new AINexLayer({
      apiKey: 'test-api-key',
      baseUrl: 'http://localhost:3001'
    });
  });

  it('should execute skill through AINexLayer', async () => {
    const result = await ainexlayer.executeSkill('weather', {
      location: 'New York',
      units: 'imperial'
    });

    assert(result.success === true);
  });
});
```

### Best Practices <a href="#best-practices" id="best-practices"></a>

#### Skill Design <a href="#skill-design" id="skill-design"></a>

* **Single Responsibility**: Each skill should have one clear purpose
* **Error Handling**: Implement comprehensive error handling
* **Input Validation**: Validate all inputs
* **Documentation**: Document skill purpose and usage
* **Testing**: Write comprehensive tests

#### Performance <a href="#performance" id="performance"></a>

* **Caching**: Cache expensive operations
* **Async Operations**: Use async/await for I/O operations
* **Resource Management**: Manage resources efficiently
* **Monitoring**: Monitor skill performance

#### Security <a href="#security" id="security"></a>

* **Input Sanitization**: Sanitize all inputs
* **API Key Management**: Secure API keys and credentials
* **Access Control**: Implement proper access controls
* **Audit Logging**: Log skill executions

***

**🔧 Agent Layer extend AINexLayer's capabilities with specialized functionality. Create skills that integrate with your existing systems and provide domain-specific tools for your AI agents.**


---

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