Providers/Anthropic.ps1
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<#
.SYNOPSIS Invokes the Anthropic API to generate responses using Claude models. .DESCRIPTION The Invoke-AnthropicProvider function sends requests to the Anthropic API and returns the generated content. It requires an API key to be set in the environment variable 'AnthropicKey'. .PARAMETER ModelName The name of the Anthropic model to use (e.g., 'claude-3-opus', 'claude-3-sonnet', 'claude-3-haiku'). .PARAMETER Messages An array of hashtables containing the messages to send to the model. .EXAMPLE $Message = New-ChatMessage -Prompt 'Summarize the key events of World War II' $response = Invoke-AnthropicProvider -ModelName 'claude-3-opus' -Message $Message .NOTES Requires the AnthropicKey environment variable to be set with a valid API key. Uses a fixed max_tokens value of 1024. Returns content from the 'text' field in the response. API Reference: https://docs.anthropic.com/claude/reference/getting-started-with-the-api #> function Invoke-AnthropicProvider { param( [Parameter(Mandatory)] [string]$ModelName, [Parameter(Mandatory)] [hashtable[]]$Messages ) $headers = @{ 'x-api-key' = $env:AnthropicKey 'anthropic-version' = '2023-06-01' 'content-type' = 'application/json' } $body = @{ 'model' = $ModelName 'max_tokens' = 1024 # Hard-coded for Anthropic } $MessagesList = @() foreach ($Msg in $Messages) { if ($Msg.role -eq 'system') { $body['system'] = $Msg.content } else { $MessagesList += $Msg } } $body['messages'] = $MessagesList $Uri = "https://api.anthropic.com/v1/messages" $params = @{ Uri = $Uri Method = 'POST' Headers = $headers Body = $body | ConvertTo-Json -Depth 10 } try { $response = Invoke-RestMethod @params return $response.content.text } catch { $statusCode = $_.Exception.Response.StatusCode.value__ $errorMessage = $_.ErrorDetails.Message Write-Error "Anthropic API Error (HTTP $statusCode): $errorMessage" return "Error calling Anthropic API: $($_.Exception.Message)" } } |