Anthropic builds reliable, interpretable AI systems. Claude, their AI assistant, excels at thoughtful dialogue, content creation, complex reasoning, and coding. Cargo’s native integration with Anthropic allows you to use Claude models directly in your workflows.Documentation Index
Fetch the complete documentation index at: https://docs.getcargo.ai/llms.txt
Use this file to discover all available pages before exploring further.
How to set up Anthropic
You can use Anthropic in two ways:- Cargo credits – Use Claude through Cargo’s managed integration
- Your own API key – Connect your Anthropic account
Connection details
| Field | Description |
|---|---|
| API Key | Your Anthropic API key |
Anthropic actions
Instruct
Send a prompt to a Claude model and receive a text response. Use cases- Content generation – Generate personalized emails and messages
- Classification – Categorize text into predefined categories
- Summarization – Summarize long documents or conversations
- Data extraction – Extract structured information from text
- Analysis – Analyze sentiment, intent, or other properties
- Reasoning – Complex multi-step problem solving
| Field | Description |
|---|---|
| Model | Select the Claude model to use |
| Prompt | The prompt to send to the model |
| System prompt | Optional system instructions |
| Maximum tokens | Limit output length |
| Temperature | Control randomness (0-1) |
| With web search | Enable web search capabilities |
Available models
Claude Opus 4.1
Claude Opus 4.1
The most powerful Claude model for complex and creative tasks with reasoning capabilities.Best for: Complex reasoning, advanced coding, creative tasksCredit cost: ~2 credits per 1,000 tokens
Claude Opus 4
Claude Opus 4
Premium model supporting images with advanced reasoning.Best for: Complex multi-modal tasks, detailed analysisCredit cost: ~2 credits per 1,000 tokens
Claude Sonnet 4.5
Claude Sonnet 4.5
Most intelligent model for building agents and coding.Best for: Agentic tasks, coding, complex reasoningCredit cost: ~0.2 credits per 1,000 tokens
Claude Sonnet 4
Claude Sonnet 4
Premium model with exceptional reasoning capabilities.Best for: Balanced performance, everyday complex tasksCredit cost: ~0.2 credits per 1,000 tokens
Claude Sonnet 3.7
Claude Sonnet 3.7
High-performance model supporting images.Best for: Multimodal tasks, detailed analysisCredit cost: ~0.2 credits per 1,000 tokens
Claude Haiku 3.5
Claude Haiku 3.5
Fast inference model optimized for speed.Best for: High-volume, low-latency tasksCredit cost: ~0.2 credits per 1,000 tokens
Recommended model: Claude Sonnet 4 offers excellent performance for most use cases with reasonable cost.
Advanced settings
System prompt
Set instructions that guide Claude’s behavior:- Define the model’s role or persona
- Set output format guidelines
- Provide context about your use case
- Establish constraints or rules
Temperature
Control the randomness of outputs:| Temperature | Behavior |
|---|---|
| 0 | Most deterministic |
| 0.3-0.5 | Balanced |
| 0.7-1 | More creative, varied |
Web search
Enable Claude to search the web for current information:- Real-time data lookups
- Current events research
- Fact verification

