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Zabbix MCP Server

Zabbix MCP Server

role_get

Read-only

Retrieve Zabbix user roles to inspect RBAC permissions, visible UI sections, allowed API methods, and permitted actions; optionally include full permission rules.

Instructions

Retrieve user roles. Roles define what a user can do in Zabbix via granular RBAC rules: which UI sections are visible, which API methods are allowed, and what actions (acknowledge, close, suppress) are permitted. Built-in roles: Super admin (type=3), Admin (type=2), User (type=1), Guest (type=4). Use selectRules to include the full permission rule set for each role.

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: name, readonly, roleid, type. Text properties cannot be filtered; use 'search' for them.
outputNoProperties of the role object to return. Pass 'extend' for all, 'count' for the number of matches only, or a list of property names. Default when omitted: roleid, name, type. Properties: name, readonly, roleid, type.
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.
roleidsNoReturn only roles with the given 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: roleid, name (a list for several; pair with 'sortorder'). No other property is sortable.
sortorderNoSort order: 'ASC' (ascending) or 'DESC' (descending).
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 role.get parameters, merged into the request as-is. Parameters: current (8.0+). Sub-object selects (value 'extend', 'count' or a list of property names): selectRules, 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. Changed10 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",
      +        "current",
      +        "selectRules",
      +        "selectUsers"
      +      ]
      +    },
      +    "type": "object"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
    • changedInput schema / properties / filter / anyOf
      Previous value: -[
      -  {
      -    "additionalProperties": true,
      -    "type": "object"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]New value: +[
      +  {
      +    "propertyNames": {
      +      "enum": [
      +        "name",
      +        "readonly",
      +        "roleid",
      +        "type"
      +      ]
      +    },
      +    "type": "object"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
    • changedInput schema / properties / output / anyOf
      Previous value: -[
      -  {
      -    "type": "string"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]New value: +[
      +  {
      +    "enum": [
      +      "extend",
      +      "count"
      +    ],
      +    "type": "string"
      +  },
      +  {
      +    "items": {
      +      "enum": [
      +        "name",
      +        "readonly",
      +        "roleid",
      +        "type"
      +      ],
      +      "type": "string"
      +    },
      +    "minItems": 1,
      +    "type": "array"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
    • changedInput schema / properties / output / description
      Previous value: -"Properties of the role 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: roleid, name, type. Properties: name, readonly, roleid, type."New value: +"Properties of the role object to return. Pass 'extend' for all, 'count' for the number of matches only, or a list of property names. Default when omitted: roleid, name, type. Properties: name, readonly, roleid, type."
    • 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": [
      +      "roleid",
      +      "name"
      +    ],
      +    "type": "string"
      +  },
      +  {
      +    "items": {
      +      "enum": [
      +        "roleid",
      +        "name"
      +      ],
      +      "type": "string"
      +    },
      +    "minItems": 1,
      +    "type": "array"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
    • changedInput schema / properties / sortfield / description
      Previous value: -"Sort by one or more of: roleid, name (comma-separated for several; pair with 'sortorder'). No other property is sortable."New value: +"Sort by one or more of: roleid, 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"
      +  }
      +]
    • changedOutput schema / (root)
      Previous value: -{
      -  "properties": {
      -    "result": {
      -      "title": "Result",
      -      "type": "string"
      -    }
      -  },
      -  "required": [
      -    "result"
      -  ],
      -  "title": "role_getOutput",
      -  "type": "object"
      -}New value: +null
  2. First observedv1.41.0

TDQS

A4.2/5.0
Behavior4/5

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. The description still adds genuine domain context: that roles are the RBAC primitive determining UI visibility, API method access, and permitted actions, plus the built-in role/type mapping. It does not mention pagination behavior or the default returned fields, which is a modest gap.

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?

Four sentences, front-loaded with the purpose, then domain semantics, then the concrete type constants, then the selectRules tip. Dense but every sentence contributes; only the RBAC explanation runs slightly long relative to the rest.

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

Completeness5/5

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

For a 13-parameter, zero-required read-only list tool with full schema descriptions and no output schema, the description supplies the missing conceptual layer (role semantics, built-in type IDs, selectRules for detail). Nothing an agent needs in order to call it correctly is absent.

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

Parameters4/5

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

Schema coverage is 100%, so the baseline would be 3. The description exceeds that by supplying the built-in role type values (Super admin=3, Admin=2, User=1, Guest=4), which the schema does not enumerate anywhere for 'type', and by pointing at selectRules as the way to expand rule sets.

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

Purpose5/5

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

"Retrieve user roles" is a specific verb plus resource, and the following sentences define what a role actually is in Zabbix (granular RBAC governing UI sections, allowed API methods, and actions). This clearly separates it from siblings like user_get, usergroup_get, and authentication_get.

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 description implies usage (fetch roles, add selectRules when permission detail is needed) but never states when to choose this over user_get or usergroup_get, nor any exclusion or prerequisite. The only routing-like hint is "Use selectRules to include the full permission rule set," which is parameter guidance rather than tool-selection guidance.

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