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Zabbix MCP Server

Zabbix MCP Server

usergroup_get

Read-only

Retrieve Zabbix user groups to inspect permission mappings, group members, and tag-based access rules; use filters and select options to narrow results.

Instructions

Retrieve user groups. User groups are the primary mechanism for assigning permissions in Zabbix -- each group has a set of host group permissions (read, read-write, deny) and frontend/API access settings. Use selectRights to see the permission mappings, selectUsers to include group members, and selectTagFilters for tag-based permissions.

Input Schema

NameRequiredDescriptionDefault
limitNoMaximum number of results to return.
filterNoReturn only results whose properties exactly match the given values (a single value or a list of values per key). Example: {"status": 0} or {"status": [0, 1]}. Keys: debug_mode, gui_access, mfa_status (7.0+), mfaid (7.0+), name, proxy_group_mode (8.0+), proxy_mode (8.0+), userdirectoryid (6.2+), users_status, usrgrpid. Text properties cannot be filtered; use 'search' for them.
outputNoProperties of the usergroup object to return. Pass 'extend' for all, 'count' for the number of matches only, or a list of property names. Default when omitted: usrgrpid, name. Properties: debug_mode, gui_access, mfa_status (7.0+), mfaid (7.0+), name, proxy_group_mode (8.0+), proxy_mode (8.0+), userdirectoryid (6.2+), users_status, usrgrpid.
searchNoReturn results whose string properties contain the given pattern (case-insensitive; '*' is a wildcard when searchWildcardsEnabled is true). Example: {"name": "web"}. Keys: name.
serverNoTarget Zabbix server. Available: default. Defaults to 'default' if omitted.
useridsNoReturn only user groups that contain the given user IDs.
raw_jsonNoStrips the security disclaimer preamble from the response so it is pure JSON. Default: false. Requires the bearer token to have 'allow_raw_json' explicitly enabled by an operator in the admin portal - tokens without that policy receive a PolicyError instead. WARNING: setting true bypasses the prompt-injection mitigation marker that wraps untrusted Zabbix data (host names, item descriptions, problem text). LLM clients (Claude, GPT, Cursor, ...) should leave this false; only programmatic non-LLM consumers (Python scripts, n8n workflows that json.loads the result) should set true.
sortfieldNoSort by one or more of: usrgrpid, name (a list for several; pair with 'sortorder'). No other property is sortable.
sortorderNoSort order: 'ASC' (ascending) or 'DESC' (descending).
usrgrpidsNoReturn only user groups with the given IDs.
countOutputNoReturn the count of matching results instead of the actual data.
searchByAnyNoIf true, return results matching ANY search field (OR). Default is ALL fields (AND).
extra_paramsNoOther native usergroup.get parameters, merged into the request as-is. Parameters: mfa_status (7.0+), mfaids (7.0+), proxy_groupids (8.0+), proxyids (8.0+), status. Sub-object selects (value 'extend', 'count' or a list of property names): selectApmFilters (8.0+), selectHostGroupRights (6.2+), selectProxies (8.0+), selectProxyGroups (8.0+), selectRights (removed in 7.2), selectTagFilters, selectTemplateGroupRights (6.2+), selectUsers. Any other key is refused here, because Zabbix would silently ignore it. For a parameter you are sure exists on your release but is not listed, use zabbix_raw_api_call.
searchWildcardsEnabledNoIf true, enable * and ? wildcards in search patterns.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed12 schema fields changedv1.42.2
    • addedInput schema / additionalProperties
      Added value: +false
    • changedInput schema / properties / extra_params / anyOf
      Previous value: -[
      -  {
      -    "additionalProperties": true,
      -    "type": "object"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]New value: +[
      +  {
      +    "propertyNames": {
      +      "enum": [
      +        "editable",
      +        "excludeSearch",
      +        "preservekeys",
      +        "startSearch",
      +        "mfa_status",
      +        "mfaids",
      +        "proxy_groupids",
      +        "proxyids",
      +        "status",
      +        "selectApmFilters",
      +        "selectHostGroupRights",
      +        "selectProxies",
      +        "selectProxyGroups",
      +        "selectRights",
      +        "selectTagFilters",
      +        "selectTemplateGroupRights",
      +        "selectUsers"
      +      ]
      +    },
      +    "type": "object"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
    • changedInput schema / properties / extra_params / description
      Previous value: -"Other native usergroup.get parameters, merged into the request as-is. Parameters: limitSelects, mfa_status (7.0+), mfaids (7.0+), proxy_groupids (8.0+), proxyids (8.0+), status. Sub-object selects (value 'extend', 'count' or a list of property names): selectHostGroupRights (6.2+), selectProxies (8.0+), selectProxyGroups (8.0+), selectRights (removed in 7.2), selectTagFilters, selectTemplateGroupRights (6.2+), selectUsers. Any other key is refused here, because Zabbix would silently ignore it. For a parameter you are sure exists on your release but is not listed, use zabbix_raw_api_call."New value: +"Other native usergroup.get parameters, merged into the request as-is. Parameters: mfa_status (7.0+), mfaids (7.0+), proxy_groupids (8.0+), proxyids (8.0+), status. Sub-object selects (value 'extend', 'count' or a list of property names): selectApmFilters (8.0+), selectHostGroupRights (6.2+), selectProxies (8.0+), selectProxyGroups (8.0+), selectRights (removed in 7.2), selectTagFilters, selectTemplateGroupRights (6.2+), selectUsers. Any other key is refused here, because Zabbix would silently ignore it. For a parameter you are sure exists on your release but is not listed, use zabbix_raw_api_call."
    • changedInput schema / properties / filter / anyOf
      Previous value: -[
      -  {
      -    "additionalProperties": true,
      -    "type": "object"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]New value: +[
      +  {
      +    "propertyNames": {
      +      "enum": [
      +        "debug_mode",
      +        "gui_access",
      +        "mfa_status",
      +        "mfaid",
      +        "name",
      +        "proxy_group_mode",
      +        "proxy_mode",
      +        "userdirectoryid",
      +        "users_status",
      +        "usrgrpid"
      +      ]
      +    },
      +    "type": "object"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
    • changedInput schema / properties / output / anyOf
      Previous value: -[
      -  {
      -    "type": "string"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]New value: +[
      +  {
      +    "enum": [
      +      "extend",
      +      "count"
      +    ],
      +    "type": "string"
      +  },
      +  {
      +    "items": {
      +      "enum": [
      +        "debug_mode",
      +        "gui_access",
      +        "mfa_status",
      +        "mfaid",
      +        "name",
      +        "proxy_group_mode",
      +        "proxy_mode",
      +        "userdirectoryid",
      +        "users_status",
      +        "usrgrpid"
      +      ],
      +      "type": "string"
      +    },
      +    "minItems": 1,
      +    "type": "array"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
    • changedInput schema / properties / output / description
      Previous value: -"Properties of the usergroup object to return. Pass 'extend' for all, 'count' for the number of matches only, or a comma-separated list of property names. Default when omitted: usrgrpid, name. Properties: debug_mode, gui_access, mfa_status (7.0+), mfaid (7.0+), name, proxy_group_mode (8.0+), proxy_mode (8.0+), userdirectoryid (6.2+), users_status, usrgrpid."New value: +"Properties of the usergroup object to return. Pass 'extend' for all, 'count' for the number of matches only, or a list of property names. Default when omitted: usrgrpid, name. Properties: debug_mode, gui_access, mfa_status (7.0+), mfaid (7.0+), name, proxy_group_mode (8.0+), proxy_mode (8.0+), userdirectoryid (6.2+), users_status, usrgrpid."
    • changedInput schema / properties / search / anyOf
      Previous value: -[
      -  {
      -    "additionalProperties": true,
      -    "type": "object"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]New value: +[
      +  {
      +    "propertyNames": {
      +      "enum": [
      +        "name"
      +      ]
      +    },
      +    "type": "object"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
    • changedInput schema / properties / sortfield / anyOf
      Previous value: -[
      -  {
      -    "type": "string"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]New value: +[
      +  {
      +    "enum": [
      +      "usrgrpid",
      +      "name"
      +    ],
      +    "type": "string"
      +  },
      +  {
      +    "items": {
      +      "enum": [
      +        "usrgrpid",
      +        "name"
      +      ],
      +      "type": "string"
      +    },
      +    "minItems": 1,
      +    "type": "array"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
    • changedInput schema / properties / sortfield / description
      Previous value: -"Sort by one or more of: usrgrpid, name (comma-separated for several; pair with 'sortorder'). No other property is sortable."New value: +"Sort by one or more of: usrgrpid, name (a list for several; pair with 'sortorder'). No other property is sortable."
    • changedInput schema / properties / sortorder / anyOf
      Previous value: -[
      -  {
      -    "type": "string"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]New value: +[
      +  {
      +    "enum": [
      +      "ASC",
      +      "DESC"
      +    ],
      +    "type": "string"
      +  },
      +  {
      +    "items": {
      +      "enum": [
      +        "ASC",
      +        "DESC"
      +      ],
      +      "type": "string"
      +    },
      +    "minItems": 1,
      +    "type": "array"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
    • removedInput schema / properties / with_users
      Removed value: -{
      -  "anyOf": [
      -    {
      -      "type": "boolean"
      -    },
      -    {
      -      "type": "null"
      -    }
      -  ],
      -  "default": null,
      -  "description": "Return only user groups that have at least one user.",
      -  "title": "With Users"
      -}
    • changedOutput schema / (root)
      Previous value: -{
      -  "properties": {
      -    "result": {
      -      "title": "Result",
      -      "type": "string"
      -    }
      -  },
      -  "required": [
      -    "result"
      -  ],
      -  "title": "usergroup_getOutput",
      -  "type": "object"
      -}New value: +null
  2. First observedv1.41.0

TDQS

A3.5/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true and openWorldHint=false, so safety is covered elsewhere and the bar is lower. The description adds domain behavior about what a user group contains and that a specific select is the way to expose permission mappings, but says nothing about result volume, default fields, or pagination behavior.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Three sentences, front-loaded with the action and then the domain model, then the useful selects. Nothing is wasted, though the middle sentence is dense and could be split for scanning.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a 14-parameter read tool with no output schema, the description supplies the conceptual model an agent needs (permissions live on groups, selects expose related data) and annotations cover the safety profile. It omits return shape and paging details, which is acceptable here since the schema handles arguments and no output schema exists to defer to.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so every parameter is already documented and the baseline is 3. The description does add meaning for the select-style parameters by specifying what selectRights, selectUsers and selectTagFilters each surface, which is genuinely more than the schema states, but it does not touch the other eleven parameters.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

Opens with a specific verb+resource ('Retrieve user groups') and then explains the domain object: groups carry host group permissions and frontend/API access settings. That makes the resource concrete, though it never distinguishes this from the adjacent user_get or role_get siblings, leaving the agent to infer the boundary.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The second half gives guidance on which select parameters to pair with the call depending on what the agent needs (permissions, members, tag filters), which is useful steering. It does not say when to prefer this tool over user_get/role_get or when a different call is required, so usage is implied rather than framed.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.