Squashed 'packages/mcp-typescript/' changes from e665be0..7d70db8

7d70db8 Merge pull request #20 from modelcontextprotocol/ashwin/progress
65a8613 fix schema definitions for RequestSchema

git-subtree-dir: packages/mcp-typescript
git-subtree-split: 7d70db805740c53f21153d72be6f34d70818a9da

dist/client/index.d.ts

@@ -0,0 +1,27 @@
+import { Protocol } from "../shared/protocol.js";
+import { Transport } from "../shared/transport.js";
+import { ClientNotification, ClientRequest, ClientResult, Implementation, ServerCapabilities } from "../types.js";
+/**
+ * An MCP client on top of a pluggable transport.
+ *
+ * The client will automatically begin the initialization flow with the server when connect() is called.
+ */
+export declare class Client extends Protocol<ClientRequest, ClientNotification, ClientResult> {
+    private _clientInfo;
+    private _serverCapabilities?;
+    private _serverVersion?;
+    /**
+     * Initializes this client with the given name and version information.
+     */
+    constructor(_clientInfo: Implementation);
+    connect(transport: Transport): Promise<void>;
+    /**
+     * After initialization has completed, this will be populated with the server's reported capabilities.
+     */
+    getServerCapabilities(): ServerCapabilities | undefined;
+    /**
+     * After initialization has completed, this will be populated with information about the server's name and version.
+     */
+    getServerVersion(): Implementation | undefined;
+}
+//# sourceMappingURL=index.d.ts.map

dist/client/index.d.ts.map

@@ -0,0 +1 @@
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dist/client/index.js

@@ -0,0 +1,51 @@
+import { Protocol } from "../shared/protocol.js";
+import { InitializeResultSchema, PROTOCOL_VERSION, } from "../types.js";
+/**
+ * An MCP client on top of a pluggable transport.
+ *
+ * The client will automatically begin the initialization flow with the server when connect() is called.
+ */
+export class Client extends Protocol {
+    /**
+     * Initializes this client with the given name and version information.
+     */
+    constructor(_clientInfo) {
+        super();
+        this._clientInfo = _clientInfo;
+    }
+    async connect(transport) {
+        await super.connect(transport);
+        const result = await this.request({
+            method: "initialize",
+            params: {
+                protocolVersion: PROTOCOL_VERSION,
+                capabilities: {},
+                clientInfo: this._clientInfo,
+            },
+        }, InitializeResultSchema);
+        if (result === undefined) {
+            throw new Error(`Server sent invalid initialize result: ${result}`);
+        }
+        if (result.protocolVersion !== PROTOCOL_VERSION) {
+            throw new Error(`Server's protocol version is not supported: ${result.protocolVersion}`);
+        }
+        this._serverCapabilities = result.capabilities;
+        this._serverVersion = result.serverInfo;
+        await this.notification({
+            method: "notifications/initialized",
+        });
+    }
+    /**
+     * After initialization has completed, this will be populated with the server's reported capabilities.
+     */
+    getServerCapabilities() {
+        return this._serverCapabilities;
+    }
+    /**
+     * After initialization has completed, this will be populated with information about the server's name and version.
+     */
+    getServerVersion() {
+        return this._serverVersion;
+    }
+}
+//# sourceMappingURL=index.js.map

dist/client/index.js.map

@@ -0,0 +1 @@
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dist/client/sse.d.ts

@@ -0,0 +1,22 @@
+import { Transport } from "../shared/transport.js";
+import { JSONRPCMessage } from "../types.js";
+/**
+ * Client transport for SSE: this will connect to a server using Server-Sent Events for receiving
+ * messages and make separate POST requests for sending messages.
+ *
+ * This uses the EventSource API in browsers. You can install the `eventsource` package for Node.js.
+ */
+export declare class SSEClientTransport implements Transport {
+    private _eventSource?;
+    private _endpoint?;
+    private _abortController?;
+    private _url;
+    onclose?: () => void;
+    onerror?: (error: Error) => void;
+    onmessage?: (message: JSONRPCMessage) => void;
+    constructor(url: URL);
+    start(): Promise<void>;
+    close(): Promise<void>;
+    send(message: JSONRPCMessage): Promise<void>;
+}
+//# sourceMappingURL=sse.d.ts.map

dist/client/sse.d.ts.map

@@ -0,0 +1 @@
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dist/client/sse.js

@@ -0,0 +1,91 @@
+import { JSONRPCMessageSchema } from "../types.js";
+/**
+ * Client transport for SSE: this will connect to a server using Server-Sent Events for receiving
+ * messages and make separate POST requests for sending messages.
+ *
+ * This uses the EventSource API in browsers. You can install the `eventsource` package for Node.js.
+ */
+export class SSEClientTransport {
+    constructor(url) {
+        this._url = url;
+    }
+    start() {
+        if (this._eventSource) {
+            throw new Error("SSEClientTransport already started! If using Client class, note that connect() calls start() automatically.");
+        }
+        return new Promise((resolve, reject) => {
+            this._eventSource = new EventSource(this._url.href);
+            this._abortController = new AbortController();
+            this._eventSource.onerror = (event) => {
+                var _a;
+                const error = new Error(`SSE error: ${JSON.stringify(event)}`);
+                reject(error);
+                (_a = this.onerror) === null || _a === void 0 ? void 0 : _a.call(this, error);
+            };
+            this._eventSource.onopen = () => {
+                // The connection is open, but we need to wait for the endpoint to be received.
+            };
+            this._eventSource.addEventListener("endpoint", (event) => {
+                var _a;
+                const messageEvent = event;
+                try {
+                    this._endpoint = new URL(messageEvent.data, this._url);
+                    if (this._endpoint.origin !== this._url.origin) {
+                        throw new Error(`Endpoint origin does not match connection origin: ${this._endpoint.origin}`);
+                    }
+                }
+                catch (error) {
+                    reject(error);
+                    (_a = this.onerror) === null || _a === void 0 ? void 0 : _a.call(this, error);
+                    void this.close();
+                    return;
+                }
+                resolve();
+            });
+            this._eventSource.onmessage = (event) => {
+                var _a, _b;
+                const messageEvent = event;
+                let message;
+                try {
+                    message = JSONRPCMessageSchema.parse(JSON.parse(messageEvent.data));
+                }
+                catch (error) {
+                    (_a = this.onerror) === null || _a === void 0 ? void 0 : _a.call(this, error);
+                    return;
+                }
+                (_b = this.onmessage) === null || _b === void 0 ? void 0 : _b.call(this, message);
+            };
+        });
+    }
+    async close() {
+        var _a, _b, _c;
+        (_a = this._abortController) === null || _a === void 0 ? void 0 : _a.abort();
+        (_b = this._eventSource) === null || _b === void 0 ? void 0 : _b.close();
+        (_c = this.onclose) === null || _c === void 0 ? void 0 : _c.call(this);
+    }
+    async send(message) {
+        var _a, _b;
+        if (!this._endpoint) {
+            throw new Error("Not connected");
+        }
+        try {
+            const response = await fetch(this._endpoint, {
+                method: "POST",
+                headers: {
+                    "Content-Type": "application/json",
+                },
+                body: JSON.stringify(message),
+                signal: (_a = this._abortController) === null || _a === void 0 ? void 0 : _a.signal,
+            });
+            if (!response.ok) {
+                const text = await response.text().catch(() => null);
+                throw new Error(`Error POSTing to endpoint (HTTP ${response.status}): ${text}`);
+            }
+        }
+        catch (error) {
+            (_b = this.onerror) === null || _b === void 0 ? void 0 : _b.call(this, error);
+            throw error;
+        }
+    }
+}
+//# sourceMappingURL=sse.js.map

dist/client/sse.js.map

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dist/client/stdio.d.ts

@@ -0,0 +1,41 @@
+import { JSONRPCMessage } from "../types.js";
+import { Transport } from "../shared/transport.js";
+export type StdioServerParameters = {
+    /**
+     * The executable to run to start the server.
+     */
+    command: string;
+    /**
+     * Command line arguments to pass to the executable.
+     */
+    args?: string[];
+    /**
+     * The environment to use when spawning the process.
+     *
+     * The environment is NOT inherited from the parent process by default.
+     */
+    env?: object;
+};
+/**
+ * Client transport for stdio: this will connect to a server by spawning a process and communicating with it over stdin/stdout.
+ *
+ * This transport is only available in Node.js environments.
+ */
+export declare class StdioClientTransport implements Transport {
+    private _process?;
+    private _abortController;
+    private _readBuffer;
+    private _serverParams;
+    onclose?: () => void;
+    onerror?: (error: Error) => void;
+    onmessage?: (message: JSONRPCMessage) => void;
+    constructor(server: StdioServerParameters);
+    /**
+     * Starts the server process and prepares to communicate with it.
+     */
+    start(): Promise<void>;
+    private processReadBuffer;
+    close(): Promise<void>;
+    send(message: JSONRPCMessage): Promise<void>;
+}
+//# sourceMappingURL=stdio.d.ts.map

dist/client/stdio.d.ts.map

@@ -0,0 +1 @@
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dist/client/stdio.js

@@ -0,0 +1,99 @@
+import { spawn } from "node:child_process";
+import { ReadBuffer, serializeMessage } from "../shared/stdio.js";
+/**
+ * Client transport for stdio: this will connect to a server by spawning a process and communicating with it over stdin/stdout.
+ *
+ * This transport is only available in Node.js environments.
+ */
+export class StdioClientTransport {
+    constructor(server) {
+        this._abortController = new AbortController();
+        this._readBuffer = new ReadBuffer();
+        this._serverParams = server;
+    }
+    /**
+     * Starts the server process and prepares to communicate with it.
+     */
+    async start() {
+        if (this._process) {
+            throw new Error("StdioClientTransport already started! If using Client class, note that connect() calls start() automatically.");
+        }
+        return new Promise((resolve, reject) => {
+            var _a, _b, _c, _d;
+            this._process = spawn(this._serverParams.command, (_a = this._serverParams.args) !== null && _a !== void 0 ? _a : [], {
+                // The parent process may have sensitive secrets in its env, so don't inherit it automatically.
+                env: this._serverParams.env === undefined
+                    ? {}
+                    : { ...this._serverParams.env },
+                stdio: ["pipe", "pipe", "inherit"],
+                signal: this._abortController.signal,
+            });
+            this._process.on("error", (error) => {
+                var _a, _b;
+                if (error.name === "AbortError") {
+                    // Expected when close() is called.
+                    (_a = this.onclose) === null || _a === void 0 ? void 0 : _a.call(this);
+                    return;
+                }
+                reject(error);
+                (_b = this.onerror) === null || _b === void 0 ? void 0 : _b.call(this, error);
+            });
+            this._process.on("spawn", () => {
+                resolve();
+            });
+            this._process.on("close", (_code) => {
+                var _a;
+                this._process = undefined;
+                (_a = this.onclose) === null || _a === void 0 ? void 0 : _a.call(this);
+            });
+            (_b = this._process.stdin) === null || _b === void 0 ? void 0 : _b.on("error", (error) => {
+                var _a;
+                (_a = this.onerror) === null || _a === void 0 ? void 0 : _a.call(this, error);
+            });
+            (_c = this._process.stdout) === null || _c === void 0 ? void 0 : _c.on("data", (chunk) => {
+                this._readBuffer.append(chunk);
+                this.processReadBuffer();
+            });
+            (_d = this._process.stdout) === null || _d === void 0 ? void 0 : _d.on("error", (error) => {
+                var _a;
+                (_a = this.onerror) === null || _a === void 0 ? void 0 : _a.call(this, error);
+            });
+        });
+    }
+    processReadBuffer() {
+        var _a, _b;
+        while (true) {
+            try {
+                const message = this._readBuffer.readMessage();
+                if (message === null) {
+                    break;
+                }
+                (_a = this.onmessage) === null || _a === void 0 ? void 0 : _a.call(this, message);
+            }
+            catch (error) {
+                (_b = this.onerror) === null || _b === void 0 ? void 0 : _b.call(this, error);
+            }
+        }
+    }
+    async close() {
+        this._abortController.abort();
+        this._process = undefined;
+        this._readBuffer.clear();
+    }
+    send(message) {
+        return new Promise((resolve) => {
+            var _a;
+            if (!((_a = this._process) === null || _a === void 0 ? void 0 : _a.stdin)) {
+                throw new Error("Not connected");
+            }
+            const json = serializeMessage(message);
+            if (this._process.stdin.write(json)) {
+                resolve();
+            }
+            else {
+                this._process.stdin.once("drain", resolve);
+            }
+        });
+    }
+}
+//# sourceMappingURL=stdio.js.map

dist/client/stdio.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"stdio.js","sourceRoot":"","sources":["../../src/client/stdio.ts"],"names":[],"mappings":"AAAA,OAAO,EAAgB,KAAK,EAAE,MAAM,oBAAoB,CAAC;AACzD,OAAO,EAAE,UAAU,EAAE,gBAAgB,EAAE,MAAM,oBAAoB,CAAC;AAuBlE;;;;GAIG;AACH,MAAM,OAAO,oBAAoB;IAU/B,YAAY,MAA6B;QARjC,qBAAgB,GAAoB,IAAI,eAAe,EAAE,CAAC;QAC1D,gBAAW,GAAe,IAAI,UAAU,EAAE,CAAC;QAQjD,IAAI,CAAC,aAAa,GAAG,MAAM,CAAC;IAC9B,CAAC;IAED;;OAEG;IACH,KAAK,CAAC,KAAK;QACT,IAAI,IAAI,CAAC,QAAQ,EAAE,CAAC;YAClB,MAAM,IAAI,KAAK,CACb,+GAA+G,CAChH,CAAC;QACJ,CAAC;QAED,OAAO,IAAI,OAAO,CAAC,CAAC,OAAO,EAAE,MAAM,EAAE,EAAE;;YACrC,IAAI,CAAC,QAAQ,GAAG,KAAK,CACnB,IAAI,CAAC,aAAa,CAAC,OAAO,EAC1B,MAAA,IAAI,CAAC,aAAa,CAAC,IAAI,mCAAI,EAAE,EAC7B;gBACE,+FAA+F;gBAC/F,GAAG,EACD,IAAI,CAAC,aAAa,CAAC,GAAG,KAAK,SAAS;oBAClC,CAAC,CAAC,EAAE;oBACJ,CAAC,CAAC,EAAE,GAAG,IAAI,CAAC,aAAa,CAAC,GAAG,EAAE;gBACnC,KAAK,EAAE,CAAC,MAAM,EAAE,MAAM,EAAE,SAAS,CAAC;gBAClC,MAAM,EAAE,IAAI,CAAC,gBAAgB,CAAC,MAAM;aACrC,CACF,CAAC;YAEF,IAAI,CAAC,QAAQ,CAAC,EAAE,CAAC,OAAO,EAAE,CAAC,KAAK,EAAE,EAAE;;gBAClC,IAAI,KAAK,CAAC,IAAI,KAAK,YAAY,EAAE,CAAC;oBAChC,mCAAmC;oBACnC,MAAA,IAAI,CAAC,OAAO,oDAAI,CAAC;oBACjB,OAAO;gBACT,CAAC;gBAED,MAAM,CAAC,KAAK,CAAC,CAAC;gBACd,MAAA,IAAI,CAAC,OAAO,qDAAG,KAAK,CAAC,CAAC;YACxB,CAAC,CAAC,CAAC;YAEH,IAAI,CAAC,QAAQ,CAAC,EAAE,CAAC,OAAO,EAAE,GAAG,EAAE;gBAC7B,OAAO,EAAE,CAAC;YACZ,CAAC,CAAC,CAAC;YAEH,IAAI,CAAC,QAAQ,CAAC,EAAE,CAAC,OAAO,EAAE,CAAC,KAAK,EAAE,EAAE;;gBAClC,IAAI,CAAC,QAAQ,GAAG,SAAS,CAAC;gBAC1B,MAAA,IAAI,CAAC,OAAO,oDAAI,CAAC;YACnB,CAAC,CAAC,CAAC;YAEH,MAAA,IAAI,CAAC,QAAQ,CAAC,KAAK,0CAAE,EAAE,CAAC,OAAO,EAAE,CAAC,KAAK,EAAE,EAAE;;gBACzC,MAAA,IAAI,CAAC,OAAO,qDAAG,KAAK,CAAC,CAAC;YACxB,CAAC,CAAC,CAAC;YAEH,MAAA,IAAI,CAAC,QAAQ,CAAC,MAAM,0CAAE,EAAE,CAAC,MAAM,EAAE,CAAC,KAAK,EAAE,EAAE;gBACzC,IAAI,CAAC,WAAW,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC;gBAC/B,IAAI,CAAC,iBAAiB,EAAE,CAAC;YAC3B,CAAC,CAAC,CAAC;YAEH,MAAA,IAAI,CAAC,QAAQ,CAAC,MAAM,0CAAE,EAAE,CAAC,OAAO,EAAE,CAAC,KAAK,EAAE,EAAE;;gBAC1C,MAAA,IAAI,CAAC,OAAO,qDAAG,KAAK,CAAC,CAAC;YACxB,CAAC,CAAC,CAAC;QACL,CAAC,CAAC,CAAC;IACL,CAAC;IAEO,iBAAiB;;QACvB,OAAO,IAAI,EAAE,CAAC;YACZ,IAAI,CAAC;gBACH,MAAM,OAAO,GAAG,IAAI,CAAC,WAAW,CAAC,WAAW,EAAE,CAAC;gBAC/C,IAAI,OAAO,KAAK,IAAI,EAAE,CAAC;oBACrB,MAAM;gBACR,CAAC;gBAED,MAAA,IAAI,CAAC,SAAS,qDAAG,OAAO,CAAC,CAAC;YAC5B,CAAC;YAAC,OAAO,KAAK,EAAE,CAAC;gBACf,MAAA,IAAI,CAAC,OAAO,qDAAG,KAAc,CAAC,CAAC;YACjC,CAAC;QACH,CAAC;IACH,CAAC;IAED,KAAK,CAAC,KAAK;QACT,IAAI,CAAC,gBAAgB,CAAC,KAAK,EAAE,CAAC;QAC9B,IAAI,CAAC,QAAQ,GAAG,SAAS,CAAC;QAC1B,IAAI,CAAC,WAAW,CAAC,KAAK,EAAE,CAAC;IAC3B,CAAC;IAED,IAAI,CAAC,OAAuB;QAC1B,OAAO,IAAI,OAAO,CAAC,CAAC,OAAO,EAAE,EAAE;;YAC7B,IAAI,CAAC,CAAA,MAAA,IAAI,CAAC,QAAQ,0CAAE,KAAK,CAAA,EAAE,CAAC;gBAC1B,MAAM,IAAI,KAAK,CAAC,eAAe,CAAC,CAAC;YACnC,CAAC;YAED,MAAM,IAAI,GAAG,gBAAgB,CAAC,OAAO,CAAC,CAAC;YACvC,IAAI,IAAI,CAAC,QAAQ,CAAC,KAAK,CAAC,KAAK,CAAC,IAAI,CAAC,EAAE,CAAC;gBACpC,OAAO,EAAE,CAAC;YACZ,CAAC;iBAAM,CAAC;gBACN,IAAI,CAAC,QAAQ,CAAC,KAAK,CAAC,IAAI,CAAC,OAAO,EAAE,OAAO,CAAC,CAAC;YAC7C,CAAC;QACH,CAAC,CAAC,CAAC;IACL,CAAC;CACF"}

dist/client/stdio.test.d.ts

@@ -0,0 +1,2 @@
+export {};
+//# sourceMappingURL=stdio.test.d.ts.map

dist/client/stdio.test.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"stdio.test.d.ts","sourceRoot":"","sources":["../../src/client/stdio.test.ts"],"names":[],"mappings":""}

dist/client/stdio.test.js

@@ -0,0 +1,51 @@
+import { StdioClientTransport } from "./stdio.js";
+const serverParameters = {
+    command: "/usr/bin/tee",
+};
+test("should start then close cleanly", async () => {
+    const client = new StdioClientTransport(serverParameters);
+    client.onerror = (error) => {
+        throw error;
+    };
+    let didClose = false;
+    client.onclose = () => {
+        didClose = true;
+    };
+    await client.start();
+    expect(didClose).toBeFalsy();
+    await client.close();
+    expect(didClose).toBeTruthy();
+});
+test("should read messages", async () => {
+    const client = new StdioClientTransport(serverParameters);
+    client.onerror = (error) => {
+        throw error;
+    };
+    const messages = [
+        {
+            jsonrpc: "2.0",
+            id: 1,
+            method: "ping",
+        },
+        {
+            jsonrpc: "2.0",
+            method: "notifications/initialized",
+        },
+    ];
+    const readMessages = [];
+    const finished = new Promise((resolve) => {
+        client.onmessage = (message) => {
+            readMessages.push(message);
+            if (JSON.stringify(message) === JSON.stringify(messages[1])) {
+                resolve();
+            }
+        };
+    });
+    await client.start();
+    await client.send(messages[0]);
+    await client.send(messages[1]);
+    await finished;
+    expect(readMessages).toEqual(messages);
+    await client.close();
+});
+//# sourceMappingURL=stdio.test.js.map

dist/client/stdio.test.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"stdio.test.js","sourceRoot":"","sources":["../../src/client/stdio.test.ts"],"names":[],"mappings":"AACA,OAAO,EAAE,oBAAoB,EAAyB,MAAM,YAAY,CAAC;AAEzE,MAAM,gBAAgB,GAA0B;IAC9C,OAAO,EAAE,cAAc;CACxB,CAAC;AAEF,IAAI,CAAC,iCAAiC,EAAE,KAAK,IAAI,EAAE;IACjD,MAAM,MAAM,GAAG,IAAI,oBAAoB,CAAC,gBAAgB,CAAC,CAAC;IAC1D,MAAM,CAAC,OAAO,GAAG,CAAC,KAAK,EAAE,EAAE;QACzB,MAAM,KAAK,CAAC;IACd,CAAC,CAAC;IAEF,IAAI,QAAQ,GAAG,KAAK,CAAC;IACrB,MAAM,CAAC,OAAO,GAAG,GAAG,EAAE;QACpB,QAAQ,GAAG,IAAI,CAAC;IAClB,CAAC,CAAC;IAEF,MAAM,MAAM,CAAC,KAAK,EAAE,CAAC;IACrB,MAAM,CAAC,QAAQ,CAAC,CAAC,SAAS,EAAE,CAAC;IAC7B,MAAM,MAAM,CAAC,KAAK,EAAE,CAAC;IACrB,MAAM,CAAC,QAAQ,CAAC,CAAC,UAAU,EAAE,CAAC;AAChC,CAAC,CAAC,CAAC;AAEH,IAAI,CAAC,sBAAsB,EAAE,KAAK,IAAI,EAAE;IACtC,MAAM,MAAM,GAAG,IAAI,oBAAoB,CAAC,gBAAgB,CAAC,CAAC;IAC1D,MAAM,CAAC,OAAO,GAAG,CAAC,KAAK,EAAE,EAAE;QACzB,MAAM,KAAK,CAAC;IACd,CAAC,CAAC;IAEF,MAAM,QAAQ,GAAqB;QACjC;YACE,OAAO,EAAE,KAAK;YACd,EAAE,EAAE,CAAC;YACL,MAAM,EAAE,MAAM;SACf;QACD;YACE,OAAO,EAAE,KAAK;YACd,MAAM,EAAE,2BAA2B;SACpC;KACF,CAAC;IAEF,MAAM,YAAY,GAAqB,EAAE,CAAC;IAC1C,MAAM,QAAQ,GAAG,IAAI,OAAO,CAAO,CAAC,OAAO,EAAE,EAAE;QAC7C,MAAM,CAAC,SAAS,GAAG,CAAC,OAAO,EAAE,EAAE;YAC7B,YAAY,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC;YAE3B,IAAI,IAAI,CAAC,SAAS,CAAC,OAAO,CAAC,KAAK,IAAI,CAAC,SAAS,CAAC,QAAQ,CAAC,CAAC,CAAC,CAAC,EAAE,CAAC;gBAC5D,OAAO,EAAE,CAAC;YACZ,CAAC;QACH,CAAC,CAAC;IACJ,CAAC,CAAC,CAAC;IAEH,MAAM,MAAM,CAAC,KAAK,EAAE,CAAC;IACrB,MAAM,MAAM,CAAC,IAAI,CAAC,QAAQ,CAAC,CAAC,CAAC,CAAC,CAAC;IAC/B,MAAM,MAAM,CAAC,IAAI,CAAC,QAAQ,CAAC,CAAC,CAAC,CAAC,CAAC;IAC/B,MAAM,QAAQ,CAAC;IACf,MAAM,CAAC,YAAY,CAAC,CAAC,OAAO,CAAC,QAAQ,CAAC,CAAC;IAEvC,MAAM,MAAM,CAAC,KAAK,EAAE,CAAC;AACvB,CAAC,CAAC,CAAC"}

dist/client/websocket.d.ts

@@ -0,0 +1,17 @@
+import { Transport } from "../shared/transport.js";
+import { JSONRPCMessage } from "../types.js";
+/**
+ * Client transport for WebSocket: this will connect to a server over the WebSocket protocol.
+ */
+export declare class WebSocketClientTransport implements Transport {
+    private _socket?;
+    private _url;
+    onclose?: () => void;
+    onerror?: (error: Error) => void;
+    onmessage?: (message: JSONRPCMessage) => void;
+    constructor(url: URL);
+    start(): Promise<void>;
+    close(): Promise<void>;
+    send(message: JSONRPCMessage): Promise<void>;
+}
+//# sourceMappingURL=websocket.d.ts.map

dist/client/websocket.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"websocket.d.ts","sourceRoot":"","sources":["../../src/client/websocket.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,SAAS,EAAE,MAAM,wBAAwB,CAAC;AACnD,OAAO,EAAE,cAAc,EAAwB,MAAM,aAAa,CAAC;AAInE;;GAEG;AACH,qBAAa,wBAAyB,YAAW,SAAS;IACxD,OAAO,CAAC,OAAO,CAAC,CAAY;IAC5B,OAAO,CAAC,IAAI,CAAM;IAElB,OAAO,CAAC,EAAE,MAAM,IAAI,CAAC;IACrB,OAAO,CAAC,EAAE,CAAC,KAAK,EAAE,KAAK,KAAK,IAAI,CAAC;IACjC,SAAS,CAAC,EAAE,CAAC,OAAO,EAAE,cAAc,KAAK,IAAI,CAAC;gBAElC,GAAG,EAAE,GAAG;IAIpB,KAAK,IAAI,OAAO,CAAC,IAAI,CAAC;IAyChB,KAAK,IAAI,OAAO,CAAC,IAAI,CAAC;IAI5B,IAAI,CAAC,OAAO,EAAE,cAAc,GAAG,OAAO,CAAC,IAAI,CAAC;CAW7C"}

dist/client/websocket.js

@@ -0,0 +1,61 @@
+import { JSONRPCMessageSchema } from "../types.js";
+const SUBPROTOCOL = "mcp";
+/**
+ * Client transport for WebSocket: this will connect to a server over the WebSocket protocol.
+ */
+export class WebSocketClientTransport {
+    constructor(url) {
+        this._url = url;
+    }
+    start() {
+        if (this._socket) {
+            throw new Error("WebSocketClientTransport already started! If using Client class, note that connect() calls start() automatically.");
+        }
+        return new Promise((resolve, reject) => {
+            this._socket = new WebSocket(this._url, SUBPROTOCOL);
+            this._socket.onerror = (event) => {
+                var _a;
+                const error = "error" in event
+                    ? event.error
+                    : new Error(`WebSocket error: ${JSON.stringify(event)}`);
+                reject(error);
+                (_a = this.onerror) === null || _a === void 0 ? void 0 : _a.call(this, error);
+            };
+            this._socket.onopen = () => {
+                resolve();
+            };
+            this._socket.onclose = () => {
+                var _a;
+                (_a = this.onclose) === null || _a === void 0 ? void 0 : _a.call(this);
+            };
+            this._socket.onmessage = (event) => {
+                var _a, _b;
+                let message;
+                try {
+                    message = JSONRPCMessageSchema.parse(JSON.parse(event.data));
+                }
+                catch (error) {
+                    (_a = this.onerror) === null || _a === void 0 ? void 0 : _a.call(this, error);
+                    return;
+                }
+                (_b = this.onmessage) === null || _b === void 0 ? void 0 : _b.call(this, message);
+            };
+        });
+    }
+    async close() {
+        var _a;
+        (_a = this._socket) === null || _a === void 0 ? void 0 : _a.close();
+    }
+    send(message) {
+        return new Promise((resolve, reject) => {
+            var _a;
+            if (!this._socket) {
+                reject(new Error("Not connected"));
+                return;
+            }
+            (_a = this._socket) === null || _a === void 0 ? void 0 : _a.send(JSON.stringify(message));
+            resolve();
+        });
+    }
+}
+//# sourceMappingURL=websocket.js.map

dist/client/websocket.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"websocket.js","sourceRoot":"","sources":["../../src/client/websocket.ts"],"names":[],"mappings":"AACA,OAAO,EAAkB,oBAAoB,EAAE,MAAM,aAAa,CAAC;AAEnE,MAAM,WAAW,GAAG,KAAK,CAAC;AAE1B;;GAEG;AACH,MAAM,OAAO,wBAAwB;IAQnC,YAAY,GAAQ;QAClB,IAAI,CAAC,IAAI,GAAG,GAAG,CAAC;IAClB,CAAC;IAED,KAAK;QACH,IAAI,IAAI,CAAC,OAAO,EAAE,CAAC;YACjB,MAAM,IAAI,KAAK,CACb,mHAAmH,CACpH,CAAC;QACJ,CAAC;QAED,OAAO,IAAI,OAAO,CAAC,CAAC,OAAO,EAAE,MAAM,EAAE,EAAE;YACrC,IAAI,CAAC,OAAO,GAAG,IAAI,SAAS,CAAC,IAAI,CAAC,IAAI,EAAE,WAAW,CAAC,CAAC;YAErD,IAAI,CAAC,OAAO,CAAC,OAAO,GAAG,CAAC,KAAK,EAAE,EAAE;;gBAC/B,MAAM,KAAK,GACT,OAAO,IAAI,KAAK;oBACd,CAAC,CAAE,KAAK,CAAC,KAAe;oBACxB,CAAC,CAAC,IAAI,KAAK,CAAC,oBAAoB,IAAI,CAAC,SAAS,CAAC,KAAK,CAAC,EAAE,CAAC,CAAC;gBAC7D,MAAM,CAAC,KAAK,CAAC,CAAC;gBACd,MAAA,IAAI,CAAC,OAAO,qDAAG,KAAK,CAAC,CAAC;YACxB,CAAC,CAAC;YAEF,IAAI,CAAC,OAAO,CAAC,MAAM,GAAG,GAAG,EAAE;gBACzB,OAAO,EAAE,CAAC;YACZ,CAAC,CAAC;YAEF,IAAI,CAAC,OAAO,CAAC,OAAO,GAAG,GAAG,EAAE;;gBAC1B,MAAA,IAAI,CAAC,OAAO,oDAAI,CAAC;YACnB,CAAC,CAAC;YAEF,IAAI,CAAC,OAAO,CAAC,SAAS,GAAG,CAAC,KAAmB,EAAE,EAAE;;gBAC/C,IAAI,OAAuB,CAAC;gBAC5B,IAAI,CAAC;oBACH,OAAO,GAAG,oBAAoB,CAAC,KAAK,CAAC,IAAI,CAAC,KAAK,CAAC,KAAK,CAAC,IAAI,CAAC,CAAC,CAAC;gBAC/D,CAAC;gBAAC,OAAO,KAAK,EAAE,CAAC;oBACf,MAAA,IAAI,CAAC,OAAO,qDAAG,KAAc,CAAC,CAAC;oBAC/B,OAAO;gBACT,CAAC;gBAED,MAAA,IAAI,CAAC,SAAS,qDAAG,OAAO,CAAC,CAAC;YAC5B,CAAC,CAAC;QACJ,CAAC,CAAC,CAAC;IACL,CAAC;IAED,KAAK,CAAC,KAAK;;QACT,MAAA,IAAI,CAAC,OAAO,0CAAE,KAAK,EAAE,CAAC;IACxB,CAAC;IAED,IAAI,CAAC,OAAuB;QAC1B,OAAO,IAAI,OAAO,CAAC,CAAC,OAAO,EAAE,MAAM,EAAE,EAAE;;YACrC,IAAI,CAAC,IAAI,CAAC,OAAO,EAAE,CAAC;gBAClB,MAAM,CAAC,IAAI,KAAK,CAAC,eAAe,CAAC,CAAC,CAAC;gBACnC,OAAO;YACT,CAAC;YAED,MAAA,IAAI,CAAC,OAAO,0CAAE,IAAI,CAAC,IAAI,CAAC,SAAS,CAAC,OAAO,CAAC,CAAC,CAAC;YAC5C,OAAO,EAAE,CAAC;QACZ,CAAC,CAAC,CAAC;IACL,CAAC;CACF"}