systemprompt-mcp 0.4.1

Native Model Context Protocol (MCP) implementation for systemprompt.io. Orchestration, per-server OAuth2, RBAC middleware, and tool-call governance — the core of the AI governance pipeline.
Documentation 
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use systemprompt_extension::prelude::*;

#[derive(Debug, Clone, Copy, Default)]
pub struct McpExtension;

impl Extension for McpExtension {
    fn metadata(&self) -> ExtensionMetadata {
        ExtensionMetadata {
            id: "mcp",
            name: "MCP",
            version: env!("CARGO_PKG_VERSION"),
        }
    }

    fn migration_weight(&self) -> u32 {
        25
    }

    fn schemas(&self) -> Vec<SchemaDefinition> {
        vec![
            SchemaDefinition::inline(
                "mcp_tool_executions",
                include_str!("../schema/mcp_tool_executions.sql"),
            )
            .with_required_columns(vec![
                "mcp_execution_id".into(),
                "tool_name".into(),
                "server_name".into(),
                "created_at".into(),
            ]),
            SchemaDefinition::inline("mcp_sessions", include_str!("../schema/mcp_sessions.sql"))
                .with_required_columns(vec![
                    "session_id".into(),
                    "status".into(),
                    "created_at".into(),
                ]),
            SchemaDefinition::inline("mcp_artifacts", include_str!("../schema/mcp_artifacts.sql"))
                .with_required_columns(vec![
                    "artifact_id".into(),
                    "mcp_execution_id".into(),
                    "server_name".into(),
                    "artifact_type".into(),
                    "data".into(),
                    "created_at".into(),
                ]),
        ]
    }

    fn dependencies(&self) -> Vec<&'static str> {
        vec!["users"]
    }
}

register_extension!(McpExtension);