MIRA supports Anthropic’s Claude models for both the RLM and Native Agent engines. You can use any Claude model available on your Anthropic API account — not just the suggestions shown in the UI.Documentation Index
Fetch the complete documentation index at: https://docs.mira-app.dev/llms.txt
Use this file to discover all available pages before exploring further.
Setup
Get an API key
Log in to console.anthropic.com and create an API key.
Save the key in MIRA
Press ⌘, → API Tokens tab → click Add token.
Click Save. The key is encrypted with
| Field | Value |
|---|---|
| Label | Anthropic API Key (or any name) |
| Env var | ANTHROPIC_API_KEY |
| Value | Your sk-ant-… key |
safeStorage and injected as an environment variable each time an engine starts.Select Anthropic in the Engine tab
Press ⌘, → Engine tab → in the Provider & Model section, click the Anthropic button.
Enter a model ID
MIRA shows suggestion chips for common Claude models. You can also type any valid model ID directly into the Model ID field — any model your API key has access to works.
| Model | ID | Best for |
|---|---|---|
| Claude 3.5 Sonnet | claude-3-5-sonnet-20241022 | Balanced speed and quality |
| Claude 3.5 Haiku | claude-3-5-haiku-20241022 | Fast responses, lower cost |
| Claude 3 Opus | claude-3-opus-20240229 | Complex reasoning, long documents |
Suggested models
The following models appear as quick-select chips. You are not limited to these — type any valid Claude model ID into the Model ID field.| Model | ID | Notes |
|---|---|---|
| Claude 3.5 Sonnet | claude-3-5-sonnet-20241022 | Strong reasoning, widely used |
| Claude 3.5 Haiku | claude-3-5-haiku-20241022 | Fast, cost-effective |
| Claude 3 Opus | claude-3-opus-20240229 | Highest capability, slower |
Streaming
MIRA streams Claude responses using Anthropic’s streaming API. All models support streaming.Troubleshooting
| Error | Fix |
|---|---|
401 Authentication error | API key is incorrect — check it in the Anthropic console |
529 Overloaded | Anthropic API is under high load — retry in a few seconds |
model_not_found | Model ID is invalid or your key does not have access to it |
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