1// Tool: api_request  
2// Description: "Make HTTP requests to APIs. Specify URL, method, headers, body"
3
4// Code node: API call wrapper
5const config = {
6  url: $json.url,
7  method: $json.method || "GET",
8  headers: $json.headers || {},
9  body: $json.body || null
10};
11
12// Safety checks
13const allowedDomains = [
14  "api.hubspot.com",
15  "api.trello.com", 
16  "api.notion.com",
17  "slack.com"
18];
19
20const domain = new URL(config.url).hostname;
21if (!allowedDomains.some(d => domain.includes(d))) {
22  return { json: { error: `Domain ${domain} not in allowed list` } };
23}
24
25// Execute via HTTP Request node
26return { json: config };

1// Tool: crm_manager
2// Description: "Manage contacts, deals, and companies in HubSpot CRM"
3
4// Sub-tools:
5const crmOperations = {
6  searchContacts: {
7    method: "POST",
8    url: "https://api.hubapi.com/crm/v3/objects/contacts/search",
9    body: {
10      filterGroups: [{
11        filters: [{
12          propertyName: "email",
13          operator: "EQ",
14          value: $json.email
15        }]
16      }]
17    }
18  },
19  
20  createContact: {
21    method: "POST",
22    url: "https://api.hubapi.com/crm/v3/objects/contacts",
23    body: {
24      properties: {
25        email: $json.email,
26        firstname: $json.firstName,
27        lastname: $json.lastName,
28        company: $json.company
29      }
30    }
31  },
32  
33  createDeal: {
34    method: "POST",
35    url: "https://api.hubapi.com/crm/v3/objects/deals",
36    body: {
37      properties: {
38        dealname: $json.dealName,
39        amount: $json.amount,
40        pipeline: "default",
41        dealstage: "appointmentscheduled"
42      }
43    }
44  }
45};
46
47return { json: crmOperations[$json.operation] };

1// Tool: project_manager
2// Description: "Create and manage Trello cards and boards"
3
4const trelloOps = {
5  createCard: {
6    url: `https://api.trello.com/1/cards`,
7    method: "POST",
8    params: {
9      key: process.env.TRELLO_KEY,
10      token: process.env.TRELLO_TOKEN,
11      idList: $json.listId,
12      name: $json.title,
13      desc: $json.description,
14      due: $json.dueDate
15    }
16  },
17  
18  listCards: {
19    url: `https://api.trello.com/1/lists/${$json.listId}/cards`,
20    method: "GET",
21    params: {
22      key: process.env.TRELLO_KEY,
23      token: process.env.TRELLO_TOKEN
24    }
25  },
26  
27  moveCard: {
28    url: `https://api.trello.com/1/cards/${$json.cardId}`,
29    method: "PUT",
30    params: {
31      key: process.env.TRELLO_KEY,
32      token: process.env.TRELLO_TOKEN,
33      idList: $json.targetListId
34    }
35  }
36};

1// Tool: notify
2// Description: "Send notifications via Slack, email, or SMS"
3
4// Route based on channel
5const channel = $json.channel;
6
7switch (channel) {
8  case "slack":
9    // Slack node: Post Message
10    return {
11      json: {
12        channel: $json.slackChannel,
13        text: $json.message,
14        blocks: [{
15          type: "section",
16          text: { type: "mrkdwn", text: $json.message }
17        }]
18      }
19    };
20    
21  case "email":
22    // Gmail node: Send
23    return {
24      json: {
25        to: $json.to,
26        subject: $json.subject,
27        body: $json.message
28      }
29    };
30    
31  case "telegram":
32    // Telegram node: Send Message
33    return {
34      json: {
35        chatId: $json.chatId,
36        text: $json.message
37      }
38    };
39}

1// Agent with multiple API tools
2const agentPrompt = `
3You are an operations assistant with access to multiple tools:
41. crm_manager - Search/create contacts and deals in HubSpot
52. project_manager - Create/manage tasks in Trello
63. notify - Send Slack/email notifications
7
8When given a task:
91. Break it into steps
102. Use appropriate tools
113. Confirm each action result
124. Report summary when done
13
14Always ask for confirmation before sending emails.
15`;

1// Code node: API error handler
2const response = $json;
3
4if (response.statusCode >= 400) {
5  const errorMsg = {
6    400: "Bad request - check input parameters",
7    401: "Authentication failed - check API credentials",
8    403: "Access denied - insufficient permissions",
9    404: "Resource not found",
10    429: "Rate limited - wait and retry",
11    500: "Server error - try again later"
12  };
13  
14  return {
15    json: {
16      success: false,
17      error: errorMsg[response.statusCode] || `Error: ${response.statusCode}`,
18      details: response.body
19    }
20  };
21}
22
23return { json: { success: true, data: response.body } };