namm163/mcp-server-everything-sse
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The Everything MCP Server is a comprehensive test server designed to showcase the full capabilities of the Model Context Protocol (MCP).
Tools
Functions exposed to the LLM to take actions
echo
Simple tool to echo back input messages.
add
Adds two numbers together.
longRunningOperation
Demonstrates progress notifications for long operations.
printEnv
Prints all environment variables for debugging.
sampleLLM
Demonstrates LLM sampling capability using MCP sampling feature.
getTinyImage
Returns a small test image.
annotatedMessage
Demonstrates how annotations can be used to provide metadata about content.
getResourceReference
Returns a resource reference that can be used by MCP clients.
startElicitation
Initiates an elicitation (interaction) within the MCP client.
structuredContent
Demonstrates a tool returning structured content using the example in the specification.
listRoots
Lists the current MCP roots provided by the client.
Prompts
Interactive templates invoked by user choice
No prompts
Resources
Contextual data attached and managed by the client