Add Saiku to the Ossie ecosystem

data/ecosystem.yml

@@ -111,6 +111,23 @@ ecosystem:
       logo: "qlik-logo.png"
     - name: "RelationalAI"
       logo: "relationalai-logo.png"
+    - name: "Saiku"
+      logo: "saiku-logo.svg"
+      details:
+        description: "Saiku is an open-source semantic layer that lets BI users, Excel, and AI agents query Ossie semantic models without writing SQL."
+        features:
+          - title: "Ossie AI Query API"
+            description: "Typed REST and MCP surface to list, describe, and query Ossie models, with self-correcting validation errors so agents never write SQL."
+            url: "https://github.com/spiculedata/saiku/blob/development/docs/AI-OSSIE-API.md"
+            url_label: "Documentation"
+          - title: "Natural-language ask over Ossie"
+            description: "Ask a question in plain language and Saiku composes a governed Ossie query the model cannot turn into free-form SQL."
+            url: "https://github.com/spiculedata/saiku/blob/development/docs/AI-OSSIE-API.md"
+            url_label: "Documentation"
+          - title: "Saiku on GitHub"
+            description: "Open-source Mondrian and Calcite semantic layer with dashboards, Excel and XMLA, and MCP for agents."
+            url: "https://github.com/spiculedata/saiku"
+            url_label: "View on GitHub"
     - name: "Salesforce"
       logo: "salesforce-logo.png"
     - name: "Select Star"