AI SseMcpClient

AI SseMcpClient
Certified
Call MCP server over SSE

Connects to an MCP server that streams Server-Sent Events and exposes its tools to the agent. Requires sseUrl; timeout is optional. Request/response logging is disabled by default; add headers for auth tokens.

yaml
type: io.kestra.plugin.ai.tool.SseMcpClient

Examples

Agent calling an MCP server via SSE

yaml
id: mcp_client_sse
namespace: company.ai

inputs:
  - id: prompt
    type: STRING
    defaults: Find 2 restaurants in Lille, France with the best reviews

tasks:
  - id: agent
    type: io.kestra.plugin.ai.agent.AIAgent
    prompt: "{{ inputs.prompt }}"
    provider:
      type: io.kestra.plugin.ai.provider.GoogleGemini
      modelName: gemini-3.5-flash-lite
      apiKey: "{{ secret('GEMINI_API_KEY') }}"
    tools:
      - type: io.kestra.plugin.ai.tool.SseMcpClient
        sseUrl: https://mcp.apify.com/?actors=compass/crawler-google-places
        timeout: PT5M
        headers:
          Authorization: Bearer {{ secret('APIFY_API_TOKEN') }}

Properties

sseUrl *string

SSE URL of the MCP server

Server-Sent Events endpoint of the MCP server exposing the tools. No default: this property is required.

headers object

Custom headers

Extra HTTP headers sent with every request, typically to carry an authentication token via the Authorization header. Not set by default.

logRequests booleanstring

Defaultfalse

Log requests

If true, requests sent to the MCP server are logged at INFO level. Defaults to false.

logResponses booleanstring

Defaultfalse

Log responses

If true, responses received from the MCP server are logged at INFO level. Defaults to false.

timeout string

Connection timeout duration

Maximum time to wait for a response from the MCP server. Not set by default, in which case the MCP transport's own default applies.

Huggingface

Tasks that call Hugging Face Inference APIs.

Gemini

Tasks that call Google Gemini models for text, chat, structured outputs, multimodal prompts, and video generation.

AI SseMcpClientCertifiedCall MCP server over SSE

AI SseMcpClient

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AI SseMcpClient
Certified
Call MCP server over SSE