Guild Wars 1 Build Compiler

Search Guild Wars 1 skills

search_skills

Read-onlyIdempotent

Search the full GW1 skill database by profession, attribute, campaign, elite flag or name fragment (valid values are documented per parameter). Returns compact records, at most limit of them alongside a total count of every match — a full page is not the whole result, page with offset. Use get_skill for full details.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "search_skills"
  }
}

Input Schema

Name	Required	Description
`elite`	No	If true, return only elite skills; if false, only non-elite; omit for both.
`limit`	No	Maximum number of records to return (1–200, default 50). Narrow filters if you hit it.
`offset`	No	Number of records to skip, for paging through results beyond the limit.
`campaignName`	No	Filter by the campaign a skill was INTRODUCED in: Core, Prophecies, Factions, Nightfall, or Eye of the North. Not a filter on availability — every attribute line spans several campaigns, so combining this with attributeName hides most of the line. Omit it when exploring an attribute.
`nameContains`	No	Case-insensitive substring match on the ENGLISH skill name, e.g. "heal" matches every skill with 'heal' in its name. A French substring matches nothing — use get_skill for a French name.
`attributeName`	No	Filter by attribute line, exact English name, e.g. "Blood Magic", "Swordsmanship", "Divine Favor".
`professionName`	No	Filter by profession: Warrior, Ranger, Monk, Necromancer, Mesmer, Elementalist, Assassin, Ritualist, Paragon, Dervish, or None (common / PvE-only skills that belong to no profession).
`includePvpVersions`	No	Include separate '(PvP)' skill versions. Default false — most builds want the PvE version only.

Output Schema

Name	Required	Description	Default
`total`	Yes	Total matches before limit/offset are applied
`skills`	Yes	Compact records; use get_skill for full details

Schema Changelog

Changes observed during successful MCP inspections.

Changed7 schema fields changedAug 31, 2026

changedInput schema / properties / nameContains / description

Previous value: -"Case-insensitive substring match on the skill name, e.g. \"heal\" matches every skill with 'heal' in its name."New value: +"Case-insensitive substring match on the ENGLISH skill name, e.g. \"heal\" matches every skill with 'heal' in its name. A French substring matches nothing — use get_skill for a French name."

removedOutput schema / properties / skills / items / properties / attribute / anyOf

Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]

addedOutput schema / properties / skills / items / properties / attribute / type
```
Added value: +[
+  "string",
+  "null"
+]
```

removedOutput schema / properties / skills / items / properties / campaign / anyOf

Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]

addedOutput schema / properties / skills / items / properties / campaign / type
```
Added value: +[
+  "string",
+  "null"
+]
```

removedOutput schema / properties / skills / items / properties / profession / anyOf

Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]

addedOutput schema / properties / skills / items / properties / profession / type
```
Added value: +[
+  "string",
+  "null"
+]
```

Changed2 schema fields changedAug 11, 2026

addedInput schema / additionalProperties
```
Added value: +false
```

changedInput schema / properties / campaignName / description

Previous value: -"Filter by campaign: Core, Prophecies, Factions, Nightfall, or Eye of the North."New value: +"Filter by the campaign a skill was INTRODUCED in: Core, Prophecies, Factions, Nightfall, or Eye of the North. Not a filter on availability — every attribute line spans several campaigns, so combining this with attributeName hides most of the line. Omit it when exploring an attribute."

Changed2 schema fields changedJul 21, 2026

addedInput schema / properties / offset

Added value: +{
+  "default": 0,
+  "description": "Number of records to skip, for paging through results beyond the limit.",
+  "maximum": 9007199254740991,
+  "minimum": 0,
+  "type": "integer"
+}

changedOutput schema / properties / total / description

Previous value: -"Total matches BEFORE limit is applied"New value: +"Total matches before limit/offset are applied"

Changed4 schema fields changedJul 20, 2026
- addedInput schema / properties / attributeName / maxLength
```
Added value: +64
```
- addedInput schema / properties / campaignName / maxLength
```
Added value: +64
```
- addedInput schema / properties / nameContains / maxLength
```
Added value: +64
```
- addedInput schema / properties / professionName / maxLength
```
Added value: +64
```

Changed1 schema field changedJul 16, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": false,
+  "properties": {
+    "skills": {
+      "description": "Compact records; use get_skill for full details",
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "activation": {
+            "type": "number"
+          },
+          "attribute": {
+            "anyOf": [
+              {
+                "type": "string"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          },
+          "campaign": {
+            "anyOf": [
+              {
+                "type": "string"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          },
+          "elite": {
+            "type": "boolean"
+          },
+          "energy": {
+            "type": "number"
+          },
+          "id": {
+            "maximum": 9007199254740991,
+            "minimum": -9007199254740991,
+            "type": "integer"
+          },
+          "name": {
+            "type": "string"
+          },
+          "profession": {
+            "anyOf": [
+              {
+                "type": "string"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          },
+          "recharge": {
+            "type": "number"
+          }
+        },
+        "required": [
+          "id",
+          "name",
+          "elite",
+          "profession",
+          "attribute",
+          "campaign",
+          "energy",
+          "activation",
+          "recharge"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "total": {
+      "description": "Total matches BEFORE limit is applied",
+      "maximum": 9007199254740991,
+      "minimum": -9007199254740991,
+      "type": "integer"
+    }
+  },
+  "required": [
+    "total",
+    "skills"
+  ],
+  "type": "object"
+}

Changed7 schema fields changedJul 15, 2026

addedInput schema / properties / attributeName / description

Added value: +"Filter by attribute line, exact English name, e.g. \"Blood Magic\", \"Swordsmanship\", \"Divine Favor\"."

addedInput schema / properties / campaignName / description

Added value: +"Filter by campaign: Core, Prophecies, Factions, Nightfall, or Eye of the North."

addedInput schema / properties / elite / description

Added value: +"If true, return only elite skills; if false, only non-elite; omit for both."

changedInput schema / properties / includePvpVersions / description

Previous value: -"Include separate '(PvP)' skill versions"New value: +"Include separate '(PvP)' skill versions. Default false — most builds want the PvE version only."

addedInput schema / properties / limit / description

Added value: +"Maximum number of records to return (1–200, default 50). Narrow filters if you hit it."

addedInput schema / properties / nameContains / description

Added value: +"Case-insensitive substring match on the skill name, e.g. \"heal\" matches every skill with 'heal' in its name."

addedInput schema / properties / professionName / description

Added value: +"Filter by profession: Warrior, Ranger, Monk, Necromancer, Mesmer, Elementalist, Assassin, Ritualist, Paragon, Dervish, or None (common / PvE-only skills that belong to no profession)."

First observedJul 12, 2026

TDQS

A4.5/5.0

Behavior4/5

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

Annotations already establish readOnlyHint=true, idempotentHint=true, and destructiveHint=false. The description adds meaningful behavioral context on top: it returns 'compact records', enforces an upper bound via 'limit', and provides a 'total' count to signal that pagination is needed. This goes beyond the annotations without contradicting them.

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

Conciseness5/5

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

Three sentences carry substantial information: search scope, result shape, pagination caveat, and the sibling alternative. The most important facts are front-loaded and there is no filler or redundancy.

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?

With a detailed input schema and an output schema present, the description covers what an agent needs: what is searched, what is returned, how to page, and when to switch to get_skill. Nothing essential is missing for correct invocation.

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%, with rich per-parameter details (valid values, defaults, range, examples, guidance). The tool description adds very little beyond pointing to the schema ('valid values are documented per parameter') and summarizing filter dimensions. This matches the baseline for high schema coverage.

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?

The description opens with a specific verb ('Search'), names the exact resource ('full GW1 skill database'), and enumerates the filter dimensions (profession, attribute, campaign, elite flag, name fragment). It also explicitly distinguishes itself from get_skill by noting that full details belong to that sibling tool.

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

Usage Guidelines5/5

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

The description states when to use an alternative ('Use get_skill for full details') and gives concrete paging guidance ('a full page is not the whole result, page with offset'). Schema-level descriptions further add context like 'Narrow filters if you hit it' and 'Omit it when exploring an attribute', making usage conditions very clear.

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

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