Parallel Search MCP

Server Details

The best web search for your AI Agent

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Status: Healthy
Uptime: 71.2% over 58 days
OAuth: Works in Glama
Last Tested: 2026-10-14 18:18
Transport: Streamable HTTP · MCP 2025-11-25
URL
Server Listing: Parallel Search MCP

TDQS

A4/5.0

Scored 2026-10-05 23:25 across 2 tools

Disambiguation5/5

The two tools have clearly distinct purposes: web_search_preview for discovery and web_fetch for retrieval. No overlap in functionality, making selection unambiguous.

Naming Consistency4/5

Both names use snake_case with a 'web_' prefix, but web_search_preview includes an extra '_preview' suffix while web_fetch does not. This is a minor deviation from a uniform verb_noun pattern.

Tool Count4/5

Two tools cover the core operations of search and fetch. While minimal, the server's narrow focus on parallel web operations makes this count appropriate, though it falls slightly below the typical 3-15 range.

Completeness5/5

The surface covers both search and retrieval, the essential operations for a web research server. No significant gaps for the stated purpose.

Available Tools

2 tools

web_fetchA

Read-onlyIdempotent

Inspect

Purpose: Fetch and extract relevant content from specific web URLs.

Ideal Use Cases:

Extracting content from specific URLs you've already identified
Exploring URLs returned by a web search in greater depth

For multiple independent extraction objectives, make separate web_fetch calls concurrently. Put related URLs that share one objective in a single call.

ParametersJSON Schema

Name	Required	Description	Default
`urls`	Yes	List of URLs to extract content from. Must be valid HTTP/HTTPS URLs. Maximum 10 URLs per request.
`objective`	No	Natural-language description of what information you're looking for from the URLs. Limit to 200 characters.

Output Schema

ParametersJSON Schema

Name	Required	Description
`usage`	No	Usage metrics for the extract request.
`errors`	Yes	Extract errors: requested URLs not in the results.
`results`	Yes	Successful extract results.
`warnings`	No	Warnings for the extract request, if any.
`extract_id`	Yes	Extract request ID, e.g. `extract_cad0a6d2dec046bd95ae900527d880e7`

TDQS

A4.2/5.0

Behavior4/5

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

Annotations already declare readOnly, idempotent, openWorld, and non-destructive, so the safety profile is covered. The description adds genuine behavioral context the annotations cannot express: concurrent vs. single-call batching semantics tied to objective grouping.

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?

Front-loads purpose, then uses a short bulleted block for use cases and a compact batching rule. Every line serves a purpose; the only minor cost is mild repetition between the purpose line and the first use case.

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?

With an output schema present, the description needn't explain return values, and annotations cover the safety profile. What remains is fully sufficient for an agent to select and invoke correctly; only explicit sibling naming and the parameter limits are 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 description coverage is 100%, so the baseline is 3; the description adds a bit more by explaining how the 'urls' and implicit 'objective' grouping should be partitioned across calls. It still doesn't restate the 10-URL cap or 200-char objective limit, which live only in the schema.

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?

States a specific verb+resource ('Fetch and extract relevant content from specific web URLs'), which is unambiguous. It implicitly separates itself from the 'web search' path by framing use cases around URLs the agent has 'already identified' versus discovering them, though it never names the sibling web_search_preview directly.

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?

Provides an explicit 'Ideal Use Cases' list and, unusually, batching policy: separate calls for independent objectives, one call for related URLs sharing an objective. This tells the agent not just when to use it but how to structure invocation.

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

web_search_previewA

Read-onlyIdempotent

Inspect

Purpose: Perform web searches and return results in an LLM-friendly format and with parameters tuned for LLMs.

For multiple independent objectives, make one web_search_preview call per objective concurrently. Put related query variations for the same objective in a single call's search_queries list.

ParametersJSON Schema

Name	Required	Description	Default
`objective`	Yes	Natural-language description of what the web search is trying to find. Try to make the search objective atomic, looking for a specific piece of information. May include guidance about preferred sources or freshness.
`search_queries`	Yes	List of keyword search queries of 3-6 words, which may include search operators. The search queries should be related to the objective. Limited to 3 entries of 100 characters each.

Output Schema

ParametersJSON Schema

Name	Required	Description
`usage`	No	Usage metrics for the search request.
`results`	Yes	A list of WebSearchResult objects, ordered by decreasing relevance.
`warnings`	No	Warnings for the search request, if any.
`search_id`	Yes	Search ID. Example: `search_cad0a6d2dec046bd95ae900527d880e7`

TDQS

A3.6/5.0

Behavior3/5

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

Annotations already declare readOnly, openWorld, idempotent, and non-destructive, so the safety profile is covered. The description adds the concurrency/batching behavior, which is genuinely useful, but says nothing about rate limits, freshness handling, or result quality constraints. With annotations carrying the safety load, a 3 is appropriate.

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?

Front-loaded with purpose, then a short batching rule in two sentences. Every sentence carries information, though the second sentence spans two lines for one idea and could be tightened.

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?

An output schema exists, so return values need no explanation, and the schema documents both parameters fully. The description supplies the non-obvious batching strategy an agent needs to use the tool efficiently; only the sibling relationship to web_fetch is left implicit.

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%, so both parameters (objective, search_queries) are fully documented in the schema, including the 3-entry/100-char limit and the 3-6 word query guidance. The description adds no parameter meaning beyond what the schema already provides, so the baseline 3 applies.

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?

States a specific verb (Perform web searches) and resource (web), plus the differentiator that results are returned in an LLM-friendly format with LLM-tuned parameters. It does not explicitly name the sibling web_fetch or contrast the two, so it stops short of 5.

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

Usage Guidelines4/5

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

Gives concrete operational guidance: one call per independent objective, run them concurrently, and group related query variations for the same objective into a single call's search_queries list. Clear context for batching, but no guidance on when to prefer web_fetch over this tool.

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

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

2 tool updatesSep 10, 2026

Changedweb_fetch1 field changed

changedOutput schema / $defs / UsageItem / properties / name / examples

Previous value: -[
-  "sku_search_additional_results",
-  "sku_extract_excerpts"
-]New value: +[
+  "sku_search",
+  "sku_extract_excerpts"
+]

Changedweb_search_preview1 field changed

changedOutput schema / $defs / UsageItem / properties / name / examples

Previous value: -[
-  "sku_search_additional_results",
-  "sku_extract_excerpts"
-]New value: +[
+  "sku_search",
+  "sku_extract_excerpts"
+]

3 tool updatesApr 17, 2026

Changedweb_fetch12 fields changed

addedInput schema / properties / objective / anyOf

Added value: +[
+  {
+    "type": "string"
+  },
+  {
+    "type": "null"
+  }
+]

addedInput schema / properties / objective / default
```
Added value: +null
```

changedInput schema / properties / objective / description

Previous value: -"What information you're looking for from the URLs."New value: +"Natural-language description of what\ninformation you're looking for from the URLs. Limit to 200 characters."

removedInput schema / properties / objective / maxLength
```
Removed value: -200
```
addedInput schema / properties / objective / title
```
Added value: +"Objective"
```
removedInput schema / properties / objective / type
```
Removed value: -"string"
```

changedInput schema / properties / urls / description

Previous value: -"URLs to extract content from."New value: +"List of URLs to extract content from. Must be valid\nHTTP/HTTPS URLs. Maximum 10 URLs per request."

removedInput schema / properties / urls / items / format
```
Removed value: -"uri"
```
removedInput schema / properties / urls / maxItems
```
Removed value: -10
```
addedInput schema / properties / urls / title
```
Added value: +"Urls"
```
addedInput schema / title
```
Added value: +"extract_toolArguments"
```

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "$defs": {
+    "ExtractError": {
+      "description": "Extract error details.",
+      "properties": {
+        "content": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "description": "Content returned for http client or server errors, if any.",
+          "title": "Content"
+        },
+        "error_type": {
+          "description": "Error type.",
+          "title": "Error Type",
+          "type": "string"
+        },
+        "http_status_code": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "description": "HTTP status code, if available.",
+          "title": "Http Status Code"
+        },
+        "url": {
+          "title": "Url",
+          "type": "string"
+        }
+      },
+      "required": [
+        "url",
+        "error_type",
+        "http_status_code",
+        "content"
+      ],
+      "title": "ExtractError",
+      "type": "object"
+    },
+    "ExtractResult": {
+      "description": "Extract result for a single URL.",
+      "properties": {
+        "excerpts": {
+          "anyOf": [
+            {
+              "items": {
+                "type": "string"
+              },
+              "type": "array"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Relevant excerpted content from the URL, formatted as markdown.",
+          "title": "Excerpts"
+        },
+        "full_content": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Full content from the URL formatted as markdown, if requested.",
+          "title": "Full Content"
+        },
+        "publish_date": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Publish date of the webpage in YYYY-MM-DD format, if available.",
+          "title": "Publish Date"
+        },
+        "title": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Title of the webpage, if available.",
+          "title": "Title"
+        },
+        "url": {
+          "description": "URL associated with the search result.",
+          "title": "Url",
+          "type": "string"
+        }
+      },
+      "required": [
+        "url"
+      ],
+      "title": "ExtractResult",
+      "type": "object"
+    },
+    "UsageItem": {
+      "description": "Usage item for a single operation.",
+      "properties": {
+        "count": {
+          "description": "Count of the SKU.",
+          "examples": [
+            1
+          ],
+          "title": "Count",
+          "type": "integer"
+        },
+        "name": {
+          "description": "Name of the SKU.",
+          "examples": [
+            "sku_search_additional_results",
+            "sku_extract_excerpts"
+          ],
+          "title": "Name",
+          "type": "string"
+        }
+      },
+      "required": [
+        "name",
+        "count"
+      ],
+      "title": "UsageItem",
+      "type": "object"
+    },
+    "Warning": {
+      "description": "Human-readable message for a task.",
+      "properties": {
+        "detail": {
+          "anyOf": [
+            {
+              "additionalProperties": true,
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Optional detail supporting the warning.",
+          "title": "Detail"
+        },
+        "message": {
+          "description": "Human-readable message.",
+          "title": "Message",
+          "type": "string"
+        },
+        "type": {
+          "description": "Type of warning. Note that adding new warning types is considered a backward-compatible change.",
+          "enum": [
+            "spec_validation_warning",
+            "input_validation_warning",
+            "warning"
+          ],
+          "examples": [
+            "spec_validation_warning",
+            "input_validation_warning"
+          ],
+          "title": "Type",
+          "type": "string"
+        }
+      },
+      "required": [
+        "type",
+        "message"
+      ],
+      "title": "Warning",
+      "type": "object"
+    }
+  },
+  "description": "Fetch result.",
+  "properties": {
+    "errors": {
+      "description": "Extract errors: requested URLs not in the results.",
+      "items": {
+        "$ref": "#/$defs/ExtractError"
+      },
+      "title": "Errors",
+      "type": "array"
+    },
+    "extract_id": {
+      "description": "Extract request ID, e.g. `extract_cad0a6d2dec046bd95ae900527d880e7`",
+      "title": "Extract Id",
+      "type": "string"
+    },
+    "results": {
+      "description": "Successful extract results.",
+      "items": {
+        "$ref": "#/$defs/ExtractResult"
+      },
+      "title": "Results",
+      "type": "array"
+    },
+    "usage": {
+      "anyOf": [
+        {
+          "items": {
+            "$ref": "#/$defs/UsageItem"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "description": "Usage metrics for the extract request.",
+      "title": "Usage"
+    },
+    "warnings": {
+      "anyOf": [
+        {
+          "items": {
+            "$ref": "#/$defs/Warning"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "description": "Warnings for the extract request, if any.",
+      "title": "Warnings"
+    }
+  },
+  "required": [
+    "extract_id",
+    "results",
+    "errors"
+  ],
+  "title": "ExtractResponse",
+  "type": "object"
+}

Removedweb_search
Addedweb_search_preview

3 tool updatesApr 17, 2026

Changedweb_fetch12 fields changed

removedInput schema / properties / objective / anyOf

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

removedInput schema / properties / objective / default
```
Removed value: -null
```

changedInput schema / properties / objective / description

Previous value: -"Natural-language description of what\ninformation you're looking for from the URLs. Limit to 200 characters."New value: +"What information you're looking for from the URLs."

addedInput schema / properties / objective / maxLength
```
Added value: +200
```
removedInput schema / properties / objective / title
```
Removed value: -"Objective"
```
addedInput schema / properties / objective / type
```
Added value: +"string"
```

changedInput schema / properties / urls / description

Previous value: -"List of URLs to extract content from. Must be valid\nHTTP/HTTPS URLs. Maximum 10 URLs per request."New value: +"URLs to extract content from."

addedInput schema / properties / urls / items / format
```
Added value: +"uri"
```
addedInput schema / properties / urls / maxItems
```
Added value: +10
```
removedInput schema / properties / urls / title
```
Removed value: -"Urls"
```
removedInput schema / title
```
Removed value: -"extract_toolArguments"
```

changedOutput schema / (root)

Previous value: -{
-  "$defs": {
-    "ExtractError": {
-      "description": "Extract error details.",
-      "properties": {
-        "content": {
-          "anyOf": [
-            {
-              "type": "string"
-            },
-            {
-              "type": "null"
-            }
-          ],
-          "description": "Content returned for http client or server errors, if any.",
-          "title": "Content"
-        },
-        "error_type": {
-          "description": "Error type.",
-          "title": "Error Type",
-          "type": "string"
-        },
-        "http_status_code": {
-          "anyOf": [
-            {
-              "type": "integer"
-            },
-            {
-              "type": "null"
-            }
-          ],
-          "description": "HTTP status code, if available.",
-          "title": "Http Status Code"
-        },
-        "url": {
-          "title": "Url",
-          "type": "string"
-        }
-      },
-      "required": [
-        "url",
-        "error_type",
-        "http_status_code",
-        "content"
-      ],
-      "title": "ExtractError",
-      "type": "object"
-    },
-    "ExtractResult": {
-      "description": "Extract result for a single URL.",
-      "properties": {
-        "excerpts": {
-          "anyOf": [
-            {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            {
-              "type": "null"
-            }
-          ],
-          "default": null,
-          "description": "Relevant excerpted content from the URL, formatted as markdown.",
-          "title": "Excerpts"
-        },
-        "full_content": {
-          "anyOf": [
-            {
-              "type": "string"
-            },
-            {
-              "type": "null"
-            }
-          ],
-          "default": null,
-          "description": "Full content from the URL formatted as markdown, if requested.",
-          "title": "Full Content"
-        },
-        "publish_date": {
-          "anyOf": [
-            {
-              "type": "string"
-            },
-            {
-              "type": "null"
-            }
-          ],
-          "default": null,
-          "description": "Publish date of the webpage in YYYY-MM-DD format, if available.",
-          "title": "Publish Date"
-        },
-        "title": {
-          "anyOf": [
-            {
-              "type": "string"
-            },
-            {
-              "type": "null"
-            }
-          ],
-          "default": null,
-          "description": "Title of the webpage, if available.",
-          "title": "Title"
-        },
-        "url": {
-          "description": "URL associated with the search result.",
-          "title": "Url",
-          "type": "string"
-        }
-      },
-      "required": [
-        "url"
-      ],
-      "title": "ExtractResult",
-      "type": "object"
-    },
-    "UsageItem": {
-      "description": "Usage item for a single operation.",
-      "properties": {
-        "count": {
-          "description": "Count of the SKU.",
-          "examples": [
-            1
-          ],
-          "title": "Count",
-          "type": "integer"
-        },
-        "name": {
-          "description": "Name of the SKU.",
-          "examples": [
-            "sku_search_additional_results",
-            "sku_extract_excerpts"
-          ],
-          "title": "Name",
-          "type": "string"
-        }
-      },
-      "required": [
-        "name",
-        "count"
-      ],
-      "title": "UsageItem",
-      "type": "object"
-    },
-    "Warning": {
-      "description": "Human-readable message for a task.",
-      "properties": {
-        "detail": {
-          "anyOf": [
-            {
-              "additionalProperties": true,
-              "type": "object"
-            },
-            {
-              "type": "null"
-            }
-          ],
-          "default": null,
-          "description": "Optional detail supporting the warning.",
-          "title": "Detail"
-        },
-        "message": {
-          "description": "Human-readable message.",
-          "title": "Message",
-          "type": "string"
-        },
-        "type": {
-          "description": "Type of warning. Note that adding new warning types is considered a backward-compatible change.",
-          "enum": [
-            "spec_validation_warning",
-            "input_validation_warning",
-            "warning"
-          ],
-          "examples": [
-            "spec_validation_warning",
-            "input_validation_warning"
-          ],
-          "title": "Type",
-          "type": "string"
-        }
-      },
-      "required": [
-        "type",
-        "message"
-      ],
-      "title": "Warning",
-      "type": "object"
-    }
-  },
-  "description": "Fetch result.",
-  "properties": {
-    "errors": {
-      "description": "Extract errors: requested URLs not in the results.",
-      "items": {
-        "$ref": "#/$defs/ExtractError"
-      },
-      "title": "Errors",
-      "type": "array"
-    },
-    "extract_id": {
-      "description": "Extract request ID, e.g. `extract_cad0a6d2dec046bd95ae900527d880e7`",
-      "title": "Extract Id",
-      "type": "string"
-    },
-    "results": {
-      "description": "Successful extract results.",
-      "items": {
-        "$ref": "#/$defs/ExtractResult"
-      },
-      "title": "Results",
-      "type": "array"
-    },
-    "usage": {
-      "anyOf": [
-        {
-          "items": {
-            "$ref": "#/$defs/UsageItem"
-          },
-          "type": "array"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "default": null,
-      "description": "Usage metrics for the extract request.",
-      "title": "Usage"
-    },
-    "warnings": {
-      "anyOf": [
-        {
-          "items": {
-            "$ref": "#/$defs/Warning"
-          },
-          "type": "array"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "default": null,
-      "description": "Warnings for the extract request, if any.",
-      "title": "Warnings"
-    }
-  },
-  "required": [
-    "extract_id",
-    "results",
-    "errors"
-  ],
-  "title": "ExtractResponse",
-  "type": "object"
-}New value: +null

Addedweb_search
Removedweb_search_preview

2 tool updatesApr 16, 2026

Changedweb_fetch1 field changed

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "$defs": {
+    "ExtractError": {
+      "description": "Extract error details.",
+      "properties": {
+        "content": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "description": "Content returned for http client or server errors, if any.",
+          "title": "Content"
+        },
+        "error_type": {
+          "description": "Error type.",
+          "title": "Error Type",
+          "type": "string"
+        },
+        "http_status_code": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "description": "HTTP status code, if available.",
+          "title": "Http Status Code"
+        },
+        "url": {
+          "title": "Url",
+          "type": "string"
+        }
+      },
+      "required": [
+        "url",
+        "error_type",
+        "http_status_code",
+        "content"
+      ],
+      "title": "ExtractError",
+      "type": "object"
+    },
+    "ExtractResult": {
+      "description": "Extract result for a single URL.",
+      "properties": {
+        "excerpts": {
+          "anyOf": [
+            {
+              "items": {
+                "type": "string"
+              },
+              "type": "array"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Relevant excerpted content from the URL, formatted as markdown.",
+          "title": "Excerpts"
+        },
+        "full_content": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Full content from the URL formatted as markdown, if requested.",
+          "title": "Full Content"
+        },
+        "publish_date": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Publish date of the webpage in YYYY-MM-DD format, if available.",
+          "title": "Publish Date"
+        },
+        "title": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Title of the webpage, if available.",
+          "title": "Title"
+        },
+        "url": {
+          "description": "URL associated with the search result.",
+          "title": "Url",
+          "type": "string"
+        }
+      },
+      "required": [
+        "url"
+      ],
+      "title": "ExtractResult",
+      "type": "object"
+    },
+    "UsageItem": {
+      "description": "Usage item for a single operation.",
+      "properties": {
+        "count": {
+          "description": "Count of the SKU.",
+          "examples": [
+            1
+          ],
+          "title": "Count",
+          "type": "integer"
+        },
+        "name": {
+          "description": "Name of the SKU.",
+          "examples": [
+            "sku_search_additional_results",
+            "sku_extract_excerpts"
+          ],
+          "title": "Name",
+          "type": "string"
+        }
+      },
+      "required": [
+        "name",
+        "count"
+      ],
+      "title": "UsageItem",
+      "type": "object"
+    },
+    "Warning": {
+      "description": "Human-readable message for a task.",
+      "properties": {
+        "detail": {
+          "anyOf": [
+            {
+              "additionalProperties": true,
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Optional detail supporting the warning.",
+          "title": "Detail"
+        },
+        "message": {
+          "description": "Human-readable message.",
+          "title": "Message",
+          "type": "string"
+        },
+        "type": {
+          "description": "Type of warning. Note that adding new warning types is considered a backward-compatible change.",
+          "enum": [
+            "spec_validation_warning",
+            "input_validation_warning",
+            "warning"
+          ],
+          "examples": [
+            "spec_validation_warning",
+            "input_validation_warning"
+          ],
+          "title": "Type",
+          "type": "string"
+        }
+      },
+      "required": [
+        "type",
+        "message"
+      ],
+      "title": "Warning",
+      "type": "object"
+    }
+  },
+  "description": "Fetch result.",
+  "properties": {
+    "errors": {
+      "description": "Extract errors: requested URLs not in the results.",
+      "items": {
+        "$ref": "#/$defs/ExtractError"
+      },
+      "title": "Errors",
+      "type": "array"
+    },
+    "extract_id": {
+      "description": "Extract request ID, e.g. `extract_cad0a6d2dec046bd95ae900527d880e7`",
+      "title": "Extract Id",
+      "type": "string"
+    },
+    "results": {
+      "description": "Successful extract results.",
+      "items": {
+        "$ref": "#/$defs/ExtractResult"
+      },
+      "title": "Results",
+      "type": "array"
+    },
+    "usage": {
+      "anyOf": [
+        {
+          "items": {
+            "$ref": "#/$defs/UsageItem"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "description": "Usage metrics for the extract request.",
+      "title": "Usage"
+    },
+    "warnings": {
+      "anyOf": [
+        {
+          "items": {
+            "$ref": "#/$defs/Warning"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "description": "Warnings for the extract request, if any.",
+      "title": "Warnings"
+    }
+  },
+  "required": [
+    "extract_id",
+    "results",
+    "errors"
+  ],
+  "title": "ExtractResponse",
+  "type": "object"
+}

Changedweb_search_preview2 fields changed

changedInput schema / title

Previous value: -"web_search_previewArguments"New value: +"search_toolArguments"

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "$defs": {
+    "UsageItem": {
+      "description": "Usage item for a single operation.",
+      "properties": {
+        "count": {
+          "description": "Count of the SKU.",
+          "examples": [
+            1
+          ],
+          "title": "Count",
+          "type": "integer"
+        },
+        "name": {
+          "description": "Name of the SKU.",
+          "examples": [
+            "sku_search_additional_results",
+            "sku_extract_excerpts"
+          ],
+          "title": "Name",
+          "type": "string"
+        }
+      },
+      "required": [
+        "name",
+        "count"
+      ],
+      "title": "UsageItem",
+      "type": "object"
+    },
+    "Warning": {
+      "description": "Human-readable message for a task.",
+      "properties": {
+        "detail": {
+          "anyOf": [
+            {
+              "additionalProperties": true,
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Optional detail supporting the warning.",
+          "title": "Detail"
+        },
+        "message": {
+          "description": "Human-readable message.",
+          "title": "Message",
+          "type": "string"
+        },
+        "type": {
+          "description": "Type of warning. Note that adding new warning types is considered a backward-compatible change.",
+          "enum": [
+            "spec_validation_warning",
+            "input_validation_warning",
+            "warning"
+          ],
+          "examples": [
+            "spec_validation_warning",
+            "input_validation_warning"
+          ],
+          "title": "Type",
+          "type": "string"
+        }
+      },
+      "required": [
+        "type",
+        "message"
+      ],
+      "title": "Warning",
+      "type": "object"
+    },
+    "WebSearchResult": {
+      "description": "A single search result from the web search API.",
+      "properties": {
+        "excerpts": {
+          "anyOf": [
+            {
+              "items": {
+                "type": "string"
+              },
+              "type": "array"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Relevant excerpted content from the URL, formatted as markdown.",
+          "title": "Excerpts"
+        },
+        "publish_date": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Publish date of the webpage in YYYY-MM-DD format, if available.",
+          "title": "Publish Date"
+        },
+        "title": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Title of the webpage, if available.",
+          "title": "Title"
+        },
+        "url": {
+          "description": "URL associated with the search result.",
+          "title": "Url",
+          "type": "string"
+        }
+      },
+      "required": [
+        "url"
+      ],
+      "title": "WebSearchResult",
+      "type": "object"
+    }
+  },
+  "description": "Output for the Search API.",
+  "properties": {
+    "results": {
+      "description": "A list of WebSearchResult objects, ordered by decreasing relevance.",
+      "items": {
+        "$ref": "#/$defs/WebSearchResult"
+      },
+      "title": "Results",
+      "type": "array"
+    },
+    "search_id": {
+      "description": "Search ID. Example: `search_cad0a6d2dec046bd95ae900527d880e7`",
+      "title": "Search Id",
+      "type": "string"
+    },
+    "usage": {
+      "anyOf": [
+        {
+          "items": {
+            "$ref": "#/$defs/UsageItem"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "description": "Usage metrics for the search request.",
+      "title": "Usage"
+    },
+    "warnings": {
+      "anyOf": [
+        {
+          "items": {
+            "$ref": "#/$defs/Warning"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "description": "Warnings for the search request, if any.",
+      "title": "Warnings"
+    }
+  },
+  "required": [
+    "search_id",
+    "results"
+  ],
+  "title": "SearchResponse",
+  "type": "object"
+}

1 tool updateMar 25, 2026

Changedweb_search_preview1 field changed

changedInput schema / properties / search_queries / description

Previous value: -"(optional) List of keyword search queries of 1-6\n words, which may include search operators. The search queries should be related to the\n objective. Limited to 5 entries of 200 characters each."New value: +"List of keyword search queries of 3-6\n words, which may include search operators. The search queries should be related to the\n objective. Limited to 3 entries of 100 characters each."

2 tool updatesJan 31, 2026
- First observedweb_fetch
- First observedweb_search_preview

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