manycontacts.contacts.update

Update an existing WhatsApp Business contact (name, notes, custom fields)

Part of the ManyContacts - WhatsApp Business CRM MCP server. Enforce policies on this tool with Intercept, the open-source MCP proxy.

@manycontacts/mcp Write Risk 2/5

// WHEN AI AGENTS USE THIS TOOL

AI agents use manycontacts.contacts.update to create or modify resources in ManyContacts - WhatsApp Business CRM. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.

// WHY ENFORCE A POLICY ON MANYCONTACTS.CONTACTS.UPDATE

Without a policy, an AI agent could call manycontacts.contacts.update repeatedly, creating or modifying resources faster than any human could review. Intercept's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach ManyContacts - WhatsApp Business CRM.

// RECOMMENDED POLICY

Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.

manycontacts-whatsapp-business-crm.yaml

tools:
  manycontacts.contacts.update:
    rules:
      - action: allow
        rate_limit:
          max: 30
          window: 60

See the full ManyContacts - WhatsApp Business CRM policy for all 55 tools.

// DETAILS

Tool Name manycontacts.contacts.update

Category Write

MCP Server ManyContacts - WhatsApp Business CRM MCP Server

Risk Level Medium

// MORE MANYCONTACTS - WHATSAPP BUSINESS CRM TOOLS

Destructive manycontacts.campaigns.delete Destructive manycontacts.contacts.delete Destructive manycontacts.contacts.tag.remove Destructive manycontacts.contacts.team.remove Destructive manycontacts.contacts.unassign Destructive manycontacts.funnels.delete Destructive manycontacts.tags.delete Destructive manycontacts.teams.delete

View all 55 tools →

// WHAT CAN GO WRONG

Agents calling write-class tools like manycontacts.contacts.update have been implicated in these attack patterns. Read the full case and prevention policy for each:

Browse the full MCP Attack Database →

// OTHER WRITE TOOLS ACROSS MCP SERVERS

Other tools in the Write risk category across the catalogue. The same policy patterns (rate-limit, validate) apply to each.

AbraFlexi contact_create AbraFlexi contact_update AbraFlexi evidence_create AbraFlexi evidence_update AbraFlexi invoice_issued_update AbraFlexi invoice_received_create

// RELATED READING

// FAQ

What does the manycontacts.contacts.update tool do? +

Update an existing WhatsApp Business contact (name, notes, custom fields). It is categorised as a Write tool in the ManyContacts - WhatsApp Business CRM MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on manycontacts.contacts.update? +

Add a rule in your Intercept YAML policy under the tools section for manycontacts.contacts.update. You can allow, deny, rate-limit, or validate arguments. Then run Intercept as a proxy in front of the ManyContacts - WhatsApp Business CRM MCP server.

What risk level is manycontacts.contacts.update? +

manycontacts.contacts.update is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit manycontacts.contacts.update? +

Yes. Add a rate_limit block to the manycontacts.contacts.update rule in your Intercept policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block manycontacts.contacts.update completely? +

Set action: deny in the Intercept policy for manycontacts.contacts.update. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides manycontacts.contacts.update? +

manycontacts.contacts.update is provided by the ManyContacts - WhatsApp Business CRM MCP server (@manycontacts/mcp). Intercept sits as a proxy in front of this server to enforce policies before tool calls reach the server.

manycontacts.contacts.update

Enforce policies on ManyContacts - WhatsApp Business CRM