@nitrosend/mcp - npm Package Compare versions

Comparing version 0.6.2 to 0.7.0

dist/auth.d.ts

 export interface AuthConfig {
     token: string;
     mode: "api_key" | "bearer";
+    clientAccountSid?: string;
 }
 export declare function getAuthConfig(): AuthConfig;
 export declare function getApiUrl(): string;

dist/auth.js

@@ -5,4 +5,5 @@ const DEFAULT_API_URL = "https://api.nitrosend.com/mcp";
     const bearerToken = process.env.NITROSEND_BEARER_TOKEN;
+    const clientAccountSid = process.env.NITROSEND_CLIENT_ACCOUNT_SID?.trim() || undefined;
     if (bearerToken) {
-        return { token: bearerToken, mode: "bearer" };
+        return { token: bearerToken, mode: "bearer", clientAccountSid };
     }
@@ -16,3 +17,3 @@ if (apiKey) {
         }
-        return { token: apiKey, mode: "api_key" };
+        return { token: apiKey, mode: "api_key", clientAccountSid };
     }
@@ -19,0 +20,0 @@ console.error("Error: No authentication credentials set.\n\n" +

dist/auth.js.map

@@ -1,1 +0,1 @@
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+{"version":3,"file":"auth.js","sourceRoot":"","sources":["../src/auth.ts"],"names":[],"mappings":"AAAA,MAAM,eAAe,GAAG,+BAA+B,CAAC;AAQxD,MAAM,UAAU,aAAa;IAC3B,MAAM,MAAM,GAAG,OAAO,CAAC,GAAG,CAAC,iBAAiB,CAAC;IAC7C,MAAM,WAAW,GAAG,OAAO,CAAC,GAAG,CAAC,sBAAsB,CAAC;IACvD,MAAM,gBAAgB,GACpB,OAAO,CAAC,GAAG,CAAC,4BAA4B,EAAE,IAAI,EAAE,IAAI,SAAS,CAAC;IAEhE,IAAI,WAAW,EAAE,CAAC;QAChB,OAAO,EAAE,KAAK,EAAE,WAAW,EAAE,IAAI,EAAE,QAAQ,EAAE,gBAAgB,EAAE,CAAC;IAClE,CAAC;IAED,IAAI,MAAM,EAAE,CAAC;QACX,IAAI,CAAC,MAAM,CAAC,UAAU,CAAC,aAAa,CAAC,EAAE,CAAC;YACtC,OAAO,CAAC,KAAK,CACX,oCAAoC;gBAClC,yCAAyC;gBACzC,0DAA0D,CAC7D,CAAC;YACF,OAAO,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC;QAClB,CAAC;QACD,OAAO,EAAE,KAAK,EAAE,MAAM,EAAE,IAAI,EAAE,SAAS,EAAE,gBAAgB,EAAE,CAAC;IAC9D,CAAC;IAED,OAAO,CAAC,KAAK,CACX,+CAA+C;QAC7C,qBAAqB;QACrB,+CAA+C;QAC/C,sCAAsC;QACtC,sFAAsF;QACtF,0DAA0D,CAC7D,CAAC;IACF,OAAO,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC;AAClB,CAAC;AAED,MAAM,UAAU,SAAS;IACvB,OAAO,OAAO,CAAC,GAAG,CAAC,iBAAiB,IAAI,eAAe,CAAC;AAC1D,CAAC"}

dist/index.js

 #!/usr/bin/env node
+import { createRequire } from "node:module";
+import { once } from "node:events";
 import { createInterface } from "node:readline";
 import { getAuthConfig, getApiUrl } from "./auth.js";
-const { token, mode } = getAuthConfig();
+const require = createRequire(import.meta.url);
+const packageJson = require("../package.json");
+const { token, mode, clientAccountSid } = getAuthConfig();
 const apiUrl = getApiUrl();
+const userAgent = `nitrosend-mcp/${packageJson.version || "unknown"}`;
+let mcpSessionId;
 const RETRY_DELAYS = [100, 300];
 async function forward(line) {
+    const requestId = extractRequestId(line);
     let lastError = null;
     for (let attempt = 0; attempt <= RETRY_DELAYS.length; attempt++) {
         try {
+            const headers = {
+                "Content-Type": "application/json",
+                Accept: "application/json, text/event-stream",
+                Authorization: `Bearer ${token}`,
+                "User-Agent": userAgent,
+            };
+            if (clientAccountSid) {
+                headers["X-Client-Account-SID"] = clientAccountSid;
+            }
+            if (mcpSessionId) {
+                headers["Mcp-Session-Id"] = mcpSessionId;
+            }
             const res = await fetch(apiUrl, {
                 method: "POST",
-                headers: {
-                    "Content-Type": "application/json",
-                    Authorization: `Bearer ${token}`,
-                },
+                headers,
                 body: line,
             });
+            const nextSessionId = res.headers.get("Mcp-Session-Id");
+            if (nextSessionId) {
+                mcpSessionId = nextSessionId;
+            }
             if (res.status === 202) {
@@ -32,3 +52,3 @@ // JSON-RPC notification — no response body
                 console.error(`Auth error (${res.status}): ${authHint}`);
-                return jsonRpcError(-32000, `Authentication failed (${res.status})`);
+                return jsonRpcError(-32000, `Authentication failed (${res.status})`, requestId);
             }
@@ -40,3 +60,3 @@ // 5xx — retry
             }
-            return jsonRpcError(-32000, `API returned ${res.status}`);
+            return jsonRpcError(-32000, `API returned ${res.status}`, requestId);
         }
@@ -54,9 +74,23 @@ catch (err) {
     console.error(`Network error: ${msg}`);
-    return jsonRpcError(-32000, `Network error: ${msg}`);
+    return jsonRpcError(-32000, `Network error: ${msg}`, requestId);
 }
-function jsonRpcError(code, message) {
+function extractRequestId(line) {
+    try {
+        const payload = JSON.parse(line);
+        if (typeof payload.id === "string" ||
+            typeof payload.id === "number" ||
+            payload.id === null) {
+            return payload.id;
+        }
+    }
+    catch {
+        // Invalid JSON-RPC requests do not have a reliable id to preserve.
+    }
+    return null;
+}
+function jsonRpcError(code, message, id) {
     return JSON.stringify({
         jsonrpc: "2.0",
         error: { code, message },
-        id: null,
+        id,
     });
@@ -68,4 +102,3 @@ }
 const rl = createInterface({ input: process.stdin });
-let pending = 0;
-let closing = false;
+let queue = Promise.resolve();
 rl.on("line", async (line) => {
@@ -75,19 +108,23 @@ const trimmed = line.trim();
         return;
-    pending++;
-    const response = await forward(trimmed);
+    queue = queue
+        .then(() => processLine(trimmed))
+        .catch((err) => {
+        console.error(`Bridge error: ${err.message}`);
+    });
+});
+rl.on("close", () => {
+    queue.then(() => process.exit(0));
+});
+async function processLine(line) {
+    const response = await forward(line);
     if (response) {
-        process.stdout.write(response + "\n");
+        await writeStdout(response + "\n");
     }
-    pending--;
-    if (closing && pending === 0) {
-        process.exit(0);
+}
+async function writeStdout(text) {
+    if (!process.stdout.write(text)) {
+        await once(process.stdout, "drain");
     }
-});
-rl.on("close", () => {
-    closing = true;
-    if (pending === 0) {
-        process.exit(0);
-    }
-});
+}
 console.error(`Nitrosend MCP bridge started (${apiUrl}, auth=${mode})`);
 //# sourceMappingURL=index.js.map

dist/index.js.map

@@ -1,1 +0,1 @@
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package.json

 {
   "name": "@nitrosend/mcp",
-  "version": "0.6.2",
+  "version": "0.7.0",
   "description": "MCP server for Nitrosend — connect Claude to your email marketing platform",
@@ -17,3 +17,4 @@ "mcpName": "com.nitrosend/nitrosend",
     "prepare": "npm run build",
-    "dev": "tsc --watch"
+    "dev": "tsc --watch",
+    "test:bridge": "npm run build && node scripts/bridge-serialization-test.mjs"
   },
@@ -20,0 +21,0 @@ "engines": {

README.md

 # @nitrosend/mcp
 
-MCP server for [Nitrosend](https://nitrosend.com) — connect any AI agent to your email marketing platform.
+Optional stdio bridge for [Nitrosend](https://nitrosend.com). Most clients should connect directly to Nitrosend's remote MCP server at `https://api.nitrosend.com/mcp`; this package exists for stdio-only clients and local development.
 
+All plans, including free plans, have full access to Nitrosend MCP/API/CLI. Plan limits still apply to send volume, seats, AI action allowances, and paid add-ons.
+
+For Claude Desktop, Claude.ai, and Claude Cowork, use the remote MCP connector
+UI. Do not install `@nitrosend/cli` or this stdio bridge for the standard
+Claude connector setup.
+
 Manage contacts, compose emails, build automated flows, and launch campaigns through natural language.
@@ -38,3 +44,3 @@
 
-Go to **Settings → MCP Servers → Add** and select **Streamable HTTP** transport:
+Go to **Settings → Connections → Add Custom Connector** and enter:
 
@@ -65,4 +71,3 @@ ```text
     "nitrosend": {
-      "command": "npx",
-      "args": ["-y", "mcp-remote", "https://api.nitrosend.com/mcp"]
+      "url": "https://api.nitrosend.com/mcp"
     }
@@ -73,3 +78,3 @@ }
 
-Cursor opens your browser to sign in on first use via `mcp-remote`.
+Cursor handles Nitrosend as a direct remote MCP server. On first use, it prompts for OAuth sign-in.
 
@@ -135,3 +140,3 @@ ---
 
-Zed only supports stdio transport — use `mcp-remote` to bridge:
+Add to your Zed settings:
 
@@ -142,6 +147,3 @@ ```json
     "nitrosend": {
-      "command": {
-        "path": "npx",
-        "args": ["-y", "mcp-remote", "https://api.nitrosend.com/mcp"]
-      }
+      "url": "https://api.nitrosend.com/mcp"
     }
@@ -162,3 +164,3 @@ }
 
-**If your client only supports stdio**, use the bridge with an API key:
+**If your client only supports stdio**, use this bridge package with an API key:
 
@@ -189,2 +191,12 @@ ```json
 
+## Account and client-account context
+
+For OAuth connections, Nitrosend stores both the current account and the current client account per user and OAuth application. Ask your agent to call `nitro_get_status` first: it shows `current_account` and `available_accounts` alongside `current_client_account` and `available_client_accounts`.
+
+If the task is for a different account than the one shown, call `nitro_select_account` with the target `account_id`. The switch takes effect on the next tool call. Then call `nitro_select_client_account` to pick a client account within that account. The selected account persists across the session and across token refreshes until you switch again.
+
+`nitro_select_account` and `nitro_select_client_account` only change the active MCP context. `nitro_set_brand_kit` edits the Brand Kit for the current client account, such as colors, logo, sender details, and voice.
+
+API key connections are pinned to the API key's account and client account and cannot switch with `nitro_select_account` or `nitro_select_client_account`. For stdio bridge deployments that must force a single client account, set `NITROSEND_CLIENT_ACCOUNT_SID`; the bridge will send `X-Client-Account-SID` only when that variable is present.
+
 ## Environment variables
@@ -196,2 +208,3 @@
 | `NITROSEND_BEARER_TOKEN` | OAuth bearer token — alternative to API key |
+| `NITROSEND_CLIENT_ACCOUNT_SID` | Optional fixed-client-account override for the stdio bridge. Sends `X-Client-Account-SID` only when set. |
 | `NITROSEND_API_URL` | Override API endpoint (default: `https://api.nitrosend.com/mcp`) |
@@ -198,0 +211,0 @@

New alerts

Debug access

Supply chain risk

Uses debug, reflection and dynamic code execution features.

Environment variable access

Supply chain risk

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

Improved metrics

Total package byte prevSize

17023

38.73%

Lines of code

161

31.97%

Number of lines in readme file

211

6.57%

Worsened metrics

Number of low supply chain risk alerts

7

40%

No dependency changes