gleamunison - v3.25.0

gleamunison/mcp

MCP (Model Context Protocol) server protocol layer: pure JSON-RPC 2.0.

No sockets here: requests come in as strings, responses go out as strings. Tool handlers are injected, so the protocol is testable without transport.

Types

Response

</> 
pub type Response {
  Respond(String)
  NoReply
}

Constructors 

  • Respond(String)
  • NoReply

Server

</> 
pub type Server {
  Server(name: String, version: String, tools: List(Tool))
}

Constructors 

  • Server(name: String, version: String, tools: List(Tool))

Tool

</> 
pub type Tool {
  Tool(
    name: String,
    description: String,
    handler: fn(dict.Dict(String, dynamic.Dynamic)) -> Result(
      String,
      String,
    ),
  )
}

Constructors 

  • Tool(
  name: String,
  description: String,
  handler: fn(dict.Dict(String, dynamic.Dynamic)) -> Result(
    String,
    String,
  ),
)

Values

handle_message

</> 
pub fn handle_message(server: Server, body: String) -> Response

Handle one raw JSON-RPC request body. Pure: JSON in, JSON out.

json_string

</> 
pub fn json_string(s: String) -> String

Thin delegate to the JSON boundary’s single escaper (json.json_quote). The former encode-based body degraded to “""” on encode failure; json_quote is total, so there is no failure left to degrade — an invalid JSON string can no longer be built here at all.

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