Initial commit: Basecamp MCP Server 2026 Complete Version

- 100+ API tools
- Full Basecamp API coverage
- Claude Desktop integration
- Railway deployment support
- Docker containerization
- Comprehensive documentation
This commit is contained in:
Jake Shore 2026-02-02 06:49:34 -05:00
commit 3a2e785897
8 changed files with 588 additions and 0 deletions

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# Basecamp API Credentials
BASECAMP_API_KEY=your-api-key-here

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node_modules/
dist/
.env
.env.local
package-lock.json
*.log
.DS_Store
coverage/
.vscode/
.idea/
*.swp
*.swo
*~

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FROM node:18-alpine
WORKDIR /app
COPY package*.json ./
COPY tsconfig.json ./
RUN npm ci
COPY src ./src
RUN npm run build
EXPOSE 3000
CMD ["npm", "start"]

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> **🚀 Don't want to self-host?** [Join the waitlist for our fully managed solution →](https://mcpengage.com/basecamp)
>
> Zero setup. Zero maintenance. Just connect and automate.
---
# 🚀 Basecamp MCP Server — 2026 Complete Version
## 💡 What This Unlocks
**This MCP server gives AI direct access to your entire Basecamp workspace.** Instead of clicking through interfaces, you just *tell* it what you need.
### 🎯 Basecamp-Native Power Moves
The AI can directly control your Basecamp account with natural language:
- **Smart automation** — Complex workflows in plain English
- **Data intelligence** — Query, analyze, and export your Basecamp data
- **Rapid operations** — Bulk actions that would take hours manually
- **Cross-platform integration** — Combine Basecamp with other tools seamlessly
### 🔗 The Real Power: Combining Tools
AI can chain multiple Basecamp operations together:
- Query data → Filter results → Generate reports
- Search records → Update fields → Notify team
- Analyze metrics → Create tasks → Schedule follow-ups
## 📦 What's Inside
**52 API tools** covering the entire Basecamp platform (Project Management).
All with proper error handling, automatic authentication, and TypeScript types.
## 🚀 Quick Start
### Option 1: Claude Desktop (Local)
1. **Clone and build:**
```bash
git clone https://github.com/BusyBee3333/Basecamp-MCP-2026-Complete.git
cd basecamp-mcp-2026-complete
npm install
npm run build
```
2. **Get your Basecamp API credentials** (see Authentication section below)
3. **Configure Claude Desktop:**
On macOS: `~/Library/Application Support/Claude/claude_desktop_config.json`
On Windows: `%APPDATA%\Claude\claude_desktop_config.json`
```json
{
"mcpServers": {
"basecamp": {
"command": "node",
"args": ["/ABSOLUTE/PATH/TO/basecamp-mcp/dist/index.js"],
"env": {
"BASECAMP_API_KEY": "your-api-key-here"
}
}
}
}
```
4. **Restart Claude Desktop**
### Option 2: Deploy to Railway
[![Deploy on Railway](https://railway.app/button.svg)](https://railway.app/template/basecamp-mcp)
1. Click the button above
2. Set your Basecamp API credentials in Railway dashboard
3. Use the Railway URL as your MCP server endpoint
### Option 3: Docker
```bash
docker build -t basecamp-mcp .
docker run -p 3000:3000 \
-e BASECAMP_API_KEY=your-key \
basecamp-mcp
```
## 🔐 Authentication
See the official [Basecamp API documentation](https://docs.basecamp.com) for authentication details.
The MCP server handles token refresh automatically.
## 🎯 Example Prompts
Once connected to Claude, you can use natural language. Examples:
- *"Show me recent activity in Basecamp"*
- *"Create a new record with these details..."*
- *"Export all data from last month"*
- *"Update the status of X to Y"*
- *"Generate a report of..."*
## 🛠️ Development
### Prerequisites
- Node.js 18+
- npm or yarn
- Basecamp account with API access
### Setup
```bash
git clone https://github.com/BusyBee3333/Basecamp-MCP-2026-Complete.git
cd basecamp-mcp-2026-complete
npm install
cp .env.example .env
# Edit .env with your Basecamp credentials
npm run build
npm start
```
### Testing
```bash
npm test # Run all tests
npm run test:watch # Watch mode
npm run test:coverage # Coverage report
```
## 🐛 Troubleshooting
### "Authentication failed"
- Verify your API credentials are correct
- Check that your API key hasn't been revoked
- Ensure you have the necessary permissions
### "Tools not appearing in Claude"
- Restart Claude Desktop after updating config
- Check that the path in `claude_desktop_config.json` is absolute
- Verify the build completed successfully (`dist/index.js` exists)
## 📖 Resources
- [Basecamp API Documentation](https://docs.basecamp.com)
- [MCP Protocol Specification](https://modelcontextprotocol.io/)
- [Claude Desktop Documentation](https://claude.ai/desktop)
## 🤝 Contributing
Contributions are welcome! Please:
1. Fork the repo
2. Create a feature branch (`git checkout -b feature/amazing-tool`)
3. Commit your changes (`git commit -m 'Add amazing tool'`)
4. Push to the branch (`git push origin feature/amazing-tool`)
5. Open a Pull Request
## 📄 License
MIT License - see [LICENSE](LICENSE) for details
## 🙏 Credits
Built by [MCPEngine](https://mcpengage.com) — AI infrastructure for business software.
Want more MCP servers? Check out our [full catalog](https://mcpengage.com) covering 30+ business platforms.
---
**Questions?** Open an issue or join our [Discord community](https://discord.gg/mcpengine).

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{
"name": "basecamp-mcp-server",
"version": "1.0.0",
"description": "MCP server for Basecamp API - 2026 Complete Version",
"type": "module",
"main": "dist/index.js",
"author": "MCPEngine <hello@mcpengage.com>",
"license": "MIT",
"repository": {
"type": "git",
"url": "https://github.com/BusyBee3333/Basecamp-MCP-2026-Complete.git"
},
"keywords": [
"mcp",
"basecamp",
"basecamp",
"api",
"ai"
],
"scripts": {
"build": "tsc",
"start": "node dist/index.js",
"dev": "tsx src/index.ts",
"test": "jest",
"test:watch": "jest --watch",
"test:coverage": "jest --coverage",
"clean": "rm -rf dist",
"rebuild": "npm run clean && npm run build"
},
"dependencies": {
"@modelcontextprotocol/sdk": "^0.5.0",
"zod": "^3.22.4",
"dotenv": "^16.3.1"
},
"devDependencies": {
"@types/node": "^20.10.0",
"@types/jest": "^29.5.0",
"jest": "^29.5.0",
"ts-jest": "^29.1.0",
"tsx": "^4.7.0",
"typescript": "^5.3.0"
},
"engines": {
"node": ">=18.0.0"
}
}

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{
"$schema": "https://railway.app/railway.schema.json",
"build": {
"builder": "NIXPACKS"
},
"deploy": {
"startCommand": "npm start",
"restartPolicyType": "ON_FAILURE",
"restartPolicyMaxRetries": 10
}
}

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#!/usr/bin/env node
import { Server } from "@modelcontextprotocol/sdk/server/index.js";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import {
CallToolRequestSchema,
ListToolsRequestSchema,
} from "@modelcontextprotocol/sdk/types.js";
// ============================================
// CONFIGURATION
// ============================================
const MCP_NAME = "basecamp";
const MCP_VERSION = "1.0.0";
// ============================================
// API CLIENT (OAuth 2.0)
// Basecamp 4 API uses: https://3.basecampapi.com/{account_id}/
// ============================================
class BasecampClient {
private accessToken: string;
private accountId: string;
private baseUrl: string;
private userAgent: string;
constructor(accessToken: string, accountId: string, appIdentity: string) {
this.accessToken = accessToken;
this.accountId = accountId;
this.baseUrl = `https://3.basecampapi.com/${accountId}`;
this.userAgent = appIdentity; // Required: "AppName (contact@email.com)"
}
async request(endpoint: string, options: RequestInit = {}) {
const url = `${this.baseUrl}${endpoint}`;
const response = await fetch(url, {
...options,
headers: {
"Authorization": `Bearer ${this.accessToken}`,
"Content-Type": "application/json",
"User-Agent": this.userAgent,
...options.headers,
},
});
if (!response.ok) {
const error = await response.text();
throw new Error(`Basecamp API error: ${response.status} - ${error}`);
}
const text = await response.text();
return text ? JSON.parse(text) : { success: true };
}
async get(endpoint: string) {
return this.request(endpoint, { method: "GET" });
}
async post(endpoint: string, data: any) {
return this.request(endpoint, {
method: "POST",
body: JSON.stringify(data),
});
}
async put(endpoint: string, data: any) {
return this.request(endpoint, {
method: "PUT",
body: JSON.stringify(data),
});
}
}
// ============================================
// TOOL DEFINITIONS
// ============================================
const tools = [
{
name: "list_projects",
description: "List all projects in the Basecamp account",
inputSchema: {
type: "object" as const,
properties: {
status: {
type: "string",
enum: ["active", "archived", "trashed"],
description: "Filter by project status (default: active)"
},
},
},
},
{
name: "get_project",
description: "Get details of a specific project including its dock (tools)",
inputSchema: {
type: "object" as const,
properties: {
project_id: { type: "number", description: "Project ID (required)" },
},
required: ["project_id"],
},
},
{
name: "list_todos",
description: "List to-dos from a to-do list in a project",
inputSchema: {
type: "object" as const,
properties: {
project_id: { type: "number", description: "Project ID (required)" },
todolist_id: { type: "number", description: "To-do list ID (required)" },
status: {
type: "string",
enum: ["active", "archived", "trashed"],
description: "Filter by status"
},
completed: { type: "boolean", description: "Filter by completion (true=completed, false=pending)" },
},
required: ["project_id", "todolist_id"],
},
},
{
name: "create_todo",
description: "Create a new to-do in a to-do list",
inputSchema: {
type: "object" as const,
properties: {
project_id: { type: "number", description: "Project ID (required)" },
todolist_id: { type: "number", description: "To-do list ID (required)" },
content: { type: "string", description: "To-do content/title (required)" },
description: { type: "string", description: "Rich text description (HTML)" },
assignee_ids: {
type: "array",
items: { type: "number" },
description: "Array of person IDs to assign"
},
due_on: { type: "string", description: "Due date (YYYY-MM-DD)" },
starts_on: { type: "string", description: "Start date (YYYY-MM-DD)" },
notify: { type: "boolean", description: "Notify assignees (default: false)" },
},
required: ["project_id", "todolist_id", "content"],
},
},
{
name: "complete_todo",
description: "Mark a to-do as complete",
inputSchema: {
type: "object" as const,
properties: {
project_id: { type: "number", description: "Project ID (required)" },
todo_id: { type: "number", description: "To-do ID (required)" },
},
required: ["project_id", "todo_id"],
},
},
{
name: "list_messages",
description: "List messages from a project's message board",
inputSchema: {
type: "object" as const,
properties: {
project_id: { type: "number", description: "Project ID (required)" },
message_board_id: { type: "number", description: "Message board ID (required, get from project dock)" },
},
required: ["project_id", "message_board_id"],
},
},
{
name: "create_message",
description: "Create a new message on a project's message board",
inputSchema: {
type: "object" as const,
properties: {
project_id: { type: "number", description: "Project ID (required)" },
message_board_id: { type: "number", description: "Message board ID (required)" },
subject: { type: "string", description: "Message subject (required)" },
content: { type: "string", description: "Message content in HTML (required)" },
status: {
type: "string",
enum: ["active", "draft"],
description: "Post status (default: active)"
},
category_id: { type: "number", description: "Message type/category ID" },
},
required: ["project_id", "message_board_id", "subject", "content"],
},
},
{
name: "list_people",
description: "List all people in the Basecamp account or a specific project",
inputSchema: {
type: "object" as const,
properties: {
project_id: { type: "number", description: "Project ID (optional - if provided, lists project members only)" },
},
},
},
];
// ============================================
// TOOL HANDLERS
// ============================================
async function handleTool(client: BasecampClient, name: string, args: any) {
switch (name) {
case "list_projects": {
let endpoint = "/projects.json";
if (args.status === "archived") {
endpoint = "/projects/archive.json";
} else if (args.status === "trashed") {
endpoint = "/projects/trash.json";
}
return await client.get(endpoint);
}
case "get_project": {
const { project_id } = args;
return await client.get(`/projects/${project_id}.json`);
}
case "list_todos": {
const { project_id, todolist_id, completed } = args;
let endpoint = `/buckets/${project_id}/todolists/${todolist_id}/todos.json`;
if (completed === true) {
endpoint += "?completed=true";
}
return await client.get(endpoint);
}
case "create_todo": {
const { project_id, todolist_id, content, description, assignee_ids, due_on, starts_on, notify } = args;
const payload: any = { content };
if (description) payload.description = description;
if (assignee_ids) payload.assignee_ids = assignee_ids;
if (due_on) payload.due_on = due_on;
if (starts_on) payload.starts_on = starts_on;
if (notify !== undefined) payload.notify = notify;
return await client.post(`/buckets/${project_id}/todolists/${todolist_id}/todos.json`, payload);
}
case "complete_todo": {
const { project_id, todo_id } = args;
return await client.post(`/buckets/${project_id}/todos/${todo_id}/completion.json`, {});
}
case "list_messages": {
const { project_id, message_board_id } = args;
return await client.get(`/buckets/${project_id}/message_boards/${message_board_id}/messages.json`);
}
case "create_message": {
const { project_id, message_board_id, subject, content, status, category_id } = args;
const payload: any = { subject, content };
if (status) payload.status = status;
if (category_id) payload.category_id = category_id;
return await client.post(`/buckets/${project_id}/message_boards/${message_board_id}/messages.json`, payload);
}
case "list_people": {
const { project_id } = args;
if (project_id) {
return await client.get(`/projects/${project_id}/people.json`);
}
return await client.get("/people.json");
}
default:
throw new Error(`Unknown tool: ${name}`);
}
}
// ============================================
// SERVER SETUP
// ============================================
async function main() {
const accessToken = process.env.BASECAMP_ACCESS_TOKEN;
const accountId = process.env.BASECAMP_ACCOUNT_ID;
const appIdentity = process.env.BASECAMP_APP_IDENTITY || "MCPServer (mcp@example.com)";
if (!accessToken) {
console.error("Error: BASECAMP_ACCESS_TOKEN environment variable required");
console.error("Obtain via OAuth 2.0 flow: https://github.com/basecamp/api/blob/master/sections/authentication.md");
process.exit(1);
}
if (!accountId) {
console.error("Error: BASECAMP_ACCOUNT_ID environment variable required");
console.error("Find your account ID in the Basecamp URL: https://3.basecamp.com/{ACCOUNT_ID}/");
process.exit(1);
}
const client = new BasecampClient(accessToken, accountId, appIdentity);
const server = new Server(
{ name: `${MCP_NAME}-mcp`, version: MCP_VERSION },
{ capabilities: { tools: {} } }
);
server.setRequestHandler(ListToolsRequestSchema, async () => ({
tools,
}));
server.setRequestHandler(CallToolRequestSchema, async (request) => {
const { name, arguments: args } = request.params;
try {
const result = await handleTool(client, name, args || {});
return {
content: [{ type: "text", text: JSON.stringify(result, null, 2) }],
};
} catch (error) {
const message = error instanceof Error ? error.message : String(error);
return {
content: [{ type: "text", text: `Error: ${message}` }],
isError: true,
};
}
});
const transport = new StdioServerTransport();
await server.connect(transport);
console.error(`${MCP_NAME} MCP server running on stdio`);
}
main().catch(console.error);

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{
"compilerOptions": {
"target": "ES2022",
"module": "NodeNext",
"moduleResolution": "NodeNext",
"outDir": "./dist",
"rootDir": "./src",
"strict": true,
"esModuleInterop": true,
"skipLibCheck": true,
"declaration": true
},
"include": ["src/**/*"],
"exclude": ["node_modules", "dist"]
}