feat(core): support MCP resources

packages/schema/test/mcp.test.ts

@@ -0,0 +1,37 @@
+import { describe, expect, test } from "bun:test"
+import { Schema } from "effect"
+import { Mcp } from "../src/mcp.js"
+
+describe("Mcp resources", () => {
+  test("decodes resource catalogs and omits absent metadata", () => {
+    const value = Schema.decodeUnknownSync(Mcp.ResourceCatalog)({
+      resources: [{ server: "docs", name: "Readme", uri: "docs://readme" }],
+      templates: [{ server: "docs", name: "File", uriTemplate: "docs://{path}" }],
+    })
+
+    expect(Schema.encodeSync(Mcp.ResourceCatalog)(value)).toEqual({
+      resources: [{ server: "docs", name: "Readme", uri: "docs://readme" }],
+      templates: [{ server: "docs", name: "File", uriTemplate: "docs://{path}" }],
+    })
+  })
+
+  test("preserves text and base64 blob contents", () => {
+    expect(
+      Schema.decodeUnknownSync(Mcp.ResourceContent)({
+        server: "docs",
+        uri: "docs://readme",
+        contents: [
+          { type: "text", uri: "docs://readme", text: "hello", mimeType: "text/plain" },
+          { type: "blob", uri: "docs://logo", blob: "aGVsbG8=", mimeType: "image/png" },
+        ],
+      }),
+    ).toEqual({
+      server: "docs",
+      uri: "docs://readme",
+      contents: [
+        { type: "text", uri: "docs://readme", text: "hello", mimeType: "text/plain" },
+        { type: "blob", uri: "docs://logo", blob: "aGVsbG8=", mimeType: "image/png" },
+      ],
+    })
+  })
+})