agentic-vision-mcp 0.3.0

MCP server for AgenticVision — universal LLM access to persistent visual memory
Documentation 
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//! MCP capability and initialization types.

use serde::{Deserialize, Serialize};
use std::collections::HashMap;

pub const MCP_VERSION: &str = "2024-11-05";
pub const SERVER_NAME: &str = "agentic-vision-mcp";
pub const SERVER_VERSION: &str = env!("CARGO_PKG_VERSION");

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Implementation {
    pub name: String,
    pub version: String,
}

#[derive(Debug, Clone, Default, Serialize, Deserialize)]
pub struct ClientCapabilities {
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub experimental: Option<HashMap<String, serde_json::Value>>,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub sampling: Option<SamplingCapability>,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub roots: Option<RootsCapability>,
}

#[derive(Debug, Clone, Default, Serialize, Deserialize)]
pub struct ServerCapabilities {
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub experimental: Option<HashMap<String, serde_json::Value>>,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub logging: Option<LoggingCapability>,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub prompts: Option<PromptsCapability>,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub resources: Option<ResourcesCapability>,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub tools: Option<ToolsCapability>,
}

#[derive(Debug, Clone, Default, Serialize, Deserialize)]
pub struct SamplingCapability {}

#[derive(Debug, Clone, Default, Serialize, Deserialize)]
pub struct RootsCapability {
    #[serde(default)]
    pub list_changed: bool,
}

#[derive(Debug, Clone, Default, Serialize, Deserialize)]
pub struct LoggingCapability {}

#[derive(Debug, Clone, Default, Serialize, Deserialize)]
pub struct PromptsCapability {
    #[serde(default)]
    pub list_changed: bool,
}

#[derive(Debug, Clone, Default, Serialize, Deserialize)]
pub struct ResourcesCapability {
    #[serde(default)]
    pub subscribe: bool,
    #[serde(default)]
    pub list_changed: bool,
}

#[derive(Debug, Clone, Default, Serialize, Deserialize)]
pub struct ToolsCapability {
    #[serde(default)]
    pub list_changed: bool,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct InitializeParams {
    pub protocol_version: String,
    pub capabilities: ClientCapabilities,
    pub client_info: Implementation,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct InitializeResult {
    pub protocol_version: String,
    pub capabilities: ServerCapabilities,
    pub server_info: Implementation,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub instructions: Option<String>,
}

impl ServerCapabilities {
    pub fn default_capabilities() -> Self {
        Self {
            experimental: None,
            logging: Some(LoggingCapability {}),
            prompts: Some(PromptsCapability {
                list_changed: false,
            }),
            resources: Some(ResourcesCapability {
                subscribe: true,
                list_changed: false,
            }),
            tools: Some(ToolsCapability {
                list_changed: false,
            }),
        }
    }
}

impl InitializeResult {
    pub fn default_result() -> Self {
        Self {
            protocol_version: MCP_VERSION.to_string(),
            capabilities: ServerCapabilities::default_capabilities(),
            server_info: Implementation {
                name: SERVER_NAME.to_string(),
                version: SERVER_VERSION.to_string(),
            },
            instructions: Some(
                "AgenticVision MCP server provides persistent visual memory. \
                 Use tools to capture, compare, query, and search visual observations. \
                 Use resources to browse visual memory. \
                 Use prompts for guided visual workflows."
                    .to_string(),
            ),
        }
    }
}