diff --git a/readme.md b/readme.md
index 9f4311a..6b15c5c 100644
--- a/readme.md
+++ b/readme.md
@@ -1,38 +1,163 @@
 # Paystack MCP Server
 
-This project implements a server for Paystack's [Model Context Protocol (MCP)](https://modelcontextprotocol.io/) server.
+A [Model Context Protocol (MCP)](https://modelcontextprotocol.io/) server that enables AI assistants to interact with the full range of [Paystack APIs](https://paystack.com/docs/api/).
 
+## Quick Start
+
+<!-- TODO: Update once published to npm -->
+```bash
+# Via npx (coming soon)
+npx paystack-mcp start
+
+# With environment configuration
+PAYSTACK_SECRET_KEY_TEST=sk_test_... npx paystack-mcp start
+```
+
+For now, clone and build locally:
+
+```bash
+git clone https://github.com/PaystackOSS/paystack-mcp-server.git
+cd paystack-mcp-server
+npm install
+npm run build
+```
+
+Then configure your MCP client to use the built server (see [Client Integration](#client-integration)).
 
 ## Requirements
 
-- Node.js (v14+ recommended)
+- Node.js v18+
 - npm or yarn
+- A Paystack test secret key (starts with `sk_test_`)
+
+## Configuration Options
+
+| Environment Variable | Purpose | Default |
+| --- | --- | --- |
+| `PAYSTACK_SECRET_KEY_TEST` | Your Paystack test secret key **(required)** | — |
+| `NODE_ENV` | Environment mode (`development`, `production`, `test`) | `development` |
+| `LOG_LEVEL` | Logging verbosity (`debug`, `info`, `warn`, `error`) | `info` |
+
+> **Security note:** Only test keys (`sk_test_*`) are allowed. The server validates this at startup and will reject live keys.
+
+## Client Integration
+
+The Paystack MCP Server works with any MCP-compatible client. Below is the standard configuration schema used by most clients (Claude Desktop, ChatGPT Desktop, Cursor, Windsurf, etc.).
+
+### Using a local build
+
+If you've cloned and built the server locally:
+
+```json
+{
+  "mcpServers": {
+    "paystack": {
+      "command": "node",
+      "args": ["/path/to/paystack-mcp-server/build/index.js"],
+      "env": {
+        "PAYSTACK_SECRET_KEY_TEST": "sk_test_..."
+      }
+    }
+  }
+}
+```
+
+### Using npm (coming soon)
+
+<!-- TODO: Update once published -->
+```json
+{
+  "mcpServers": {
+    "paystack": {
+      "command": "npx",
+      "args": ["paystack-mcp", "start"],
+      "env": {
+        "PAYSTACK_SECRET_KEY_TEST": "sk_test_..."
+      }
+    }
+  }
+}
+```
+
+### Where to add this configuration
+
+| Client | Config file location |
+| --- | --- |
+| Claude Desktop | `claude_desktop_config.json` |
+| ChatGPT Desktop | MCP settings in app preferences |
+| Cursor | `.cursor/mcp.json` or global MCP settings |
+| Windsurf | MCP configuration in settings |
+| Claude Code | `~/.claude/mcp.json` or project-level `.mcp.json` |
 
-## Setup
+## How It Works
 
-1. Clone the repository:
-  ```
-  git clone https://github.com/yourusername/paystack-mcp-server.git
-  cd paystack-mcp
-  ```
+The Paystack MCP Server exposes the **entire Paystack API** to AI assistants by parsing Paystack's OpenAPI specification at runtime. Instead of hardcoding individual endpoints, the server dynamically discovers all available operations and makes them accessible through a small set of tools.
 
-2. Install dependencies:
-  ```
-  npm install
-  ```
+### Available Tools
 
-3. Configure environment variables:
-  - Copy `.env.example` to `.env` and update with your Paystack credentials and server settings.
+| Tool | Description |
+| --- | --- |
+| `get_paystack_operation` | Fetch operation details (method, path, parameters) by operation ID |
+| `make_paystack_request` | Execute a Paystack API request |
 
-4. Start the server:
-  ```
-  npm start
-  ```
+### Available Resources
+
+| Resource | Description |
+| --- | --- |
+| `openapi://operations/list` | List all available Paystack operation IDs |
+
+### Example
+
+When you ask your AI assistant something like *"Get me the last 5 transactions"*, here's what happens behind the scenes:
+
+1. The assistant calls `get_paystack_operation("transaction_list")` to look up the endpoint details
+2. It gets back the method (`GET`), path (`/transaction`), and available query parameters
+3. It then calls `make_paystack_request` with `{ method: "GET", path: "/transaction", data: { perPage: 5 } }`
+4. You get your transactions
+
+## Development
+
+### Run locally (without building)
+
+For local development and testing, you can run the TypeScript source directly:
+
+```bash
+PAYSTACK_SECRET_KEY_TEST=sk_test_... npm run dev
+```
+
+### Run with MCP Inspector
+
+```bash
+npm run inspect
+```
+
+### Build
+
+```bash
+npm run build
+```
+
+### Run tests
+
+```bash
+npm test
+```
+
+## Troubleshooting
+
+| Issue | Solution |
+| --- | --- |
+| Server exits silently at startup | Check that `PAYSTACK_SECRET_KEY_TEST` is set (not `PAYSTACK_TEST_SECRET_KEY`) |
+| "Invalid key" error | Key must start with `sk_test_` — live keys are not allowed |
+| Tools not appearing in client | Ensure the server is running and the client config path is correct |
+| Request timeouts | Check network connectivity to `api.paystack.co` |
 
 ## Contributing
 
 Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.
 
+See [contributing.md](contributing.md) for more details.
+
 ## License
 
 MIT
diff --git a/src/index.ts b/src/index.ts
index de22c51..71c2e20 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -39,7 +39,7 @@ async function initializeServer() {
 
       try {
         const operation = openapi.getOperationById(operation_id.trim());
-        console.log("Operation: ", operation)
+        console.error("Operation: ", operation)
 
         if (!operation) {
           return {
@@ -93,16 +93,16 @@ async function initializeServer() {
     },
     async ({ request }) => {
       try {
-        console.log("Request received:", request.method);
-        console.log("Request received:", request.path);
-        console.log("Request received:", request.data);
+        console.error("Request received:", request.method);
+        console.error("Request received:", request.path);
+        console.error("Request received:", request.data);
         
         const response = await paystackClient.makeRequest(
           request.method,
           request.path,
           request.data
         )
-        console.log("response: ", response)
+        console.error("response: ", response)
 
         return {
           content: [
diff --git a/src/paystack-client.ts b/src/paystack-client.ts
index c1fbe10..807c498 100644
--- a/src/paystack-client.ts
+++ b/src/paystack-client.ts
@@ -1,10 +1,7 @@
 import { PaystackResponse, PaystackError } from "./types";
-import dotenv from 'dotenv';
+import { paystackConfig } from "./config";
 
-// Load environment variables
-dotenv.config();
-
-const PAYSTACK_BASE_URL = process.env.PAYSTACK_BASE_URL || 'https://api.paystack.co';
+const PAYSTACK_BASE_URL = paystackConfig.baseURL;
 const USER_AGENT = process.env.USER_AGENT || 'Paystack-MCP-Client';
 
 class PaystackClient {
@@ -87,5 +84,5 @@ class PaystackClient {
   }
 }
 export const paystackClient = new PaystackClient(
-  process.env.PAYSTACK_TEST_SECRET_KEY!
-);
\ No newline at end of file
+  paystackConfig.secretKey
+);