Tester MCP Client
Pricing
Pay per event
Tester MCP Client
A model context protocol (MCP) client that connects to any MCP server using Server-Sent Events (SSE) and displays the conversation in a chat-like UI. It is a standalone Actor server designed for testing MCP servers over SSE.
4.8 (5)
Pricing
Pay per event
10
Monthly users
118
Last modified
13 days ago
MCP Server Sent Events (SSE) URL
mcpSseUrlstringRequired
MCP Server Sent Events (SSE) URL for receiving updates from the server.
Make sure that URL path ends with /sse
Default value of this property is "https://actors-mcp-server.apify.actor/sse?enableActorAutoLoading=true"
HTTP headers
headersobjectOptional
HTTP headers to be sent with the request to the MCP server. If you are using Apify's MCP server, headers are NOT required
System prompt
systemPromptstringOptional
System prompt for the Claude model
Default value of this property is "You are a helpful Apify assistant with to tools called Actors.\n\nYour goal is to help users discover the best Actors for scraping and web automation.\nYou have access to a list of tools that can help you to discover Actors, find details and include them among tools for later execution.\n\nChoose the appropriate Actor based on the conversation context. If no Actor is needed, reply directly.\n\nPrefer Actors with more users, stars, and runs\nWhen you need to use an Actor, explain how it used and with which parameters.\nNever call an Actor unless it is required by user!\nAfter receiving a Actors' response:\n1. Transform the raw data into a natural, conversational response\n2. Keep responses concise but informative\n3. Focus on the most relevant information\n4. Use appropriate context from the user's question\n5. Avoid simply repeating the raw data\nAlways use Actor not actor. Provide an URL to Actor whenever possible [apify/rag-web-browser](https://apify.com/apify/rag-web-browser).\nREMEMBER Always limit number of results returned from Actors.\nThere is always parameter such as maxResults=1, maxPage=1, maxCrawledPlacesPerSearch=1, keep it to minimal value. \nOtherwise Actor execution takes long and result is huge!Always inform user that calling Actor might take some time.\n"
Anthropic Claude model (Anthropic is only supported provider now)
modelNameEnumRequired
Select a model to be used for selecting tools and generating text.
- Claude 3.7 Sonnet (latest) - the most intelligent model
- Claude 3.5 Haiku (latest) - a fastest model
Value options:
"claude-3-7-sonnet-latest": string"claude-3-5-haiku-latest": stringDefault value of this property is "claude-3-7-sonnet-latest"
LLM Provider API key (Anthropic is only supported provider now)
llmProviderApiKeystringOptional
API key for accessing a Large Language Model. If you provide your own API key, Actor will not charge for query answered event.
Maximum tokens for Claude response
modelMaxOutputTokensintegerOptional
Maximum number of tokens in the Claude response. The higher the number, the longer the response time
Default value of this property is 2048
Pricing
Pricing model
Pay per eventThis Actor is paid per event. You are not charged for the Apify platform usage, but only a fixed price for specific events.
Actor start
$0.005
Flat fee for starting an Actor run.
Actor running time (5 minutes)
$0.005
Cost per running time for each 5 minutes.
Input tokens (Sonnet-3.7)
$0.000
Cost per 100 input tokens for Claude 3.7 Sonnet (1M tokens = 3$).
Output tokens (Sonnet-3.7)
$0.002
Cost per 100 output tokens for Claude 3.7 Sonnet (1M tokens = 15$).
Input tokens (Haiku-3.5)
$0.000
Cost per 100 input tokens for Claude 3.5 Haiku (1M tokens = 0.8$).
Output tokens (Haiku-3.5)
$0.000
Cost per 100 output tokens for Claude 3.5 Haiku (1M tokens = 4$).
Query answered
$0.005
Cost per query answered.
