attach_tags

Attach one or more tags to a member/account. Useful for segmenting members after filtering.

SERVERFavCRM SOURCEhttps://api.favcrm.io/mcp

Medium RISK CLASS

Category Write

Parameters 22 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-favcrm-favcrm/attach-tags.md

WHAT IT DOES

What attach_tags does on FavCRM

AI agents use attach_tags to create or update resources in FavCRM, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your FavCRM environment.

Parameter	Type	Required	Description
`tagId`	string	Yes	Tag ID to attach
`accountIds`	array	Yes	Member/account IDs to tag (max 100)

Parameters from the server's own tool schema.

RISK

Why attach_tags is rated Medium

This tool creates or modifies data reversibly by adding tags to CRM records. Tags can typically be removed or changed later, making it a Write operation rather than Destructive. The severity is medium because misuse could result in incorrect customer segmentation, affecting business operations and customer communications, but the changes are reversible and don't directly expose financial transactions or delete data.

From the tool's definition The tool 'attach_tags' performs the action of attaching or adding tags to members/accounts, which constitutes a modification of data.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs attach_tags safely

PolicyLayer is an MCP gateway: it sits between your AI agents and FavCRM, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For attach_tags, this is the rule to start with:

attach_tags Rate-limited

attach_tags stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "attach_tags": {
      "limits": [
        {
          "counter": "attach_tags_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect FavCRM, apply this rule, and every attach_tags call is checked against it from then on.

FAQ

Questions about attach_tags

What does the attach_tags tool do? +

Attach one or more tags to a member/account. Useful for segmenting members after filtering. It is categorised as a Write tool in the FavCRM MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does attach_tags accept? +

attach_tags accepts 2 parameters: tagId, accountIds. Required: tagId, accountIds. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on attach_tags? +

Register the FavCRM MCP server in PolicyLayer and add a rule for attach_tags: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches FavCRM. Nothing to install.

What risk level is attach_tags? +

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

Can I rate-limit attach_tags? +

Yes. Add a rate_limit block to the attach_tags rule in your PolicyLayer 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 attach_tags completely? +

Set action: deny in the PolicyLayer policy for attach_tags. 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 attach_tags? +

attach_tags is provided by the FavCRM MCP server (https://api.favcrm.io/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on FavCRM, and thousands of servers like it.

This server

All 220 FavCRM tools →

Across the catalogue

save_tags on Mcptube Vision → The MCP Attack Database →

Guides

Govern customer-ops agents →Argument validation →Scoped token →