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Zabbix MCP Server

hostgroup_get

Read-only

Retrieve host groups for logical host organization and access control. Filter by host IDs, group IDs, or search patterns to find specific groups.

Instructions

Retrieve host groups. Host groups are used to logically organize hosts and to control access permissions. Every host must belong to at least one host group. Groups can also be used to filter when retrieving hosts, items, triggers, etc.

Input Schema

TableJSON 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: flags, groupid, internal (removed in 6.2), name, uuid (6.0+). Text properties cannot be filtered; use 'search' for them.
outputNoProperties of the hostgroup 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: groupid, name. Properties: flags, groupid, internal (removed in 6.2), name, uuid (6.0+).
searchNoReturn results whose string properties contain the given pattern (case-insensitive; '*' is a wildcard when searchWildcardsEnabled is true). Example: {"name": "web"}. Keys: name, uuid (6.0+).
serverNoTarget Zabbix server. Available: default. Defaults to 'default' if omitted.
hostidsNoReturn only host groups that contain the given hosts.
groupidsNoReturn only host groups 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: groupid, name (comma-separated for several; pair with 'sortorder'). No other property is sortable.
sortorderNoSort order: 'ASC' (ascending) or 'DESC' (descending).
with_hostsNoOnly return host groups that contain at least one host.
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 hostgroup.get parameters, merged into the request as-is. Parameters: graphids, limitSelects, maintenanceids, monitored_hosts (removed in 7.2), real_hosts (removed in 7.2), templated_hosts (removed in 6.2), templateids (removed in 6.2), triggerids, with_graph_prototypes, with_graphs, with_hosts_and_templates (removed in 6.2), with_httptests, with_item_prototypes, with_items, with_monitored_httptests, with_monitored_items, with_monitored_triggers, with_simple_graph_item_prototypes, with_simple_graph_items, with_triggers. Sub-object selects (value 'extend', 'count' or a list of property names): selectDiscoveryData (7.4+), selectDiscoveryRule (removed in 7.0), selectDiscoveryRules (7.0+), selectGroupDiscoveries (7.0+), selectGroupDiscovery (removed in 7.0), selectHostPrototypes (7.0+), selectHosts, selectTemplates (removed in 6.2). 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.
with_monitored_hostsNoOnly return host groups that contain at least one monitored (enabled) host.
searchWildcardsEnabledNoIf true, enable * and ? wildcards in search patterns.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.41.0

TDQS

C2.9/5.0
Behavior2/5

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

Annotations already declare readOnlyHint=true and openWorldHint=true, so the safety profile is covered. Beyond that, the description adds only conceptual domain background (hosts belong to groups, groups control permissions) and discloses no operational behavior such as pagination, result limits, or what the response contains.

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

Conciseness3/5

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

The first sentence is well front-loaded, but the remaining two sentences are domain exposition that does not help an agent decide or invoke. They are not harmful but only partially earn their place.

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

Completeness3/5

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

An output schema exists and parameter coverage is complete, so return values and argument details need not be repeated. What is missing is routing context: with many similarly named *_get siblings, the definition does not say when this tool is the right choice.

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 description coverage is 100% and 16 parameters are fully documented in the schema, including filter, search, output, sort, and raw_json semantics. The description adds no parameter meaning at all, so the baseline 3 is appropriate.

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?

The description opens with a clear verb+resource ('Retrieve host groups') and the name matches it exactly, so the agent knows what the tool fetches. However, it never distinguishes this from sibling retrieval tools such as templategroup_get or hostgroup_overview_get, which share the same 'get' shape.

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

Usage Guidelines2/5

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

There is no when-to-use or when-not-to-use guidance and no named alternative. The sentence about groups being used to filter other retrievals describes the Zabbix domain, not when an agent should call this tool rather than host_get or hostgroup_overview_get.

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