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Record Confirmed Bug

record_bug

Destructive

Log user-affecting findings with expected, actual, and goal evidence, then independently reload to verify and capture the result.

Instructions

Record a user-affecting finding with evidence.expected, actual and declared goal/goals. verify={"expect":"present|absent","target_text":"...","at_url":"..."} independently reloads and captures there. For persistence failures use suggested_verify, NOT replay. replay:true repeats writes and requires a symptom absent before the journey. Recheck with finding_id, unchanged title/severity, verify and no evidence (max twice). Inconclusive is not confirmed.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "title": "<title>",
      "severity": "<severity>"
    },
    "name": "record_bug"
  }
}

Input Schema

Name	Required	Description	Default
`title`	Yes
`verify`	No
`evidence`	No
`severity`	Yes
`finding_id`	No

Output Schema

Name	Required	Description	Default
`data`	No
`run_id`	Yes
`stages`	No
`status`	Yes
`recovery`	No
`operation`	Yes
`error_code`	Yes
`session_state`	Yes
`schema_version`	No
`progress_omitted`	No
`progress_delivery_failed`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed8 schema fields changedv0.10.0Oct 26, 2026

addedInput schema / $defs

Added value: +{
+  "FindingEvidence": {
+    "properties": {
+      "actual": {
+        "type": "string"
+      },
+      "after_url": {
+        "anyOf": [
+          {
+            "type": "string"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "at_url": {
+        "anyOf": [
+          {
+            "type": "string"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "bug_type": {
+        "anyOf": [
+          {
+            "type": "string"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "description": {
+        "anyOf": [
+          {
+            "type": "string"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "evidence_calls": {
+        "items": {
+          "type": "integer"
+        },
+        "type": "array"
+      },
+      "expect": {
+        "anyOf": [
+          {
+            "type": "string"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "expect_status": {
+        "anyOf": [
+          {
+            "type": "integer"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "expected": {
+        "type": "string"
+      },
+      "goal": {
+        "anyOf": [
+          {
+            "type": "string"
+          },
+          {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          }
+        ]
+      },
+      "goals": {
+        "items": {
+          "type": "string"
+        },
+        "type": "array"
+      },
+      "replay": {
+        "anyOf": [
+          {
+            "type": "boolean"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "screenshot": {
+        "anyOf": [
+          {
+            "type": "string"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "steps": {
+        "anyOf": [
+          {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          {
+            "type": "string"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "target": {
+        "anyOf": [
+          {
+            "type": "string"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "target_text": {
+        "anyOf": [
+          {
+            "type": "string"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "url": {
+        "anyOf": [
+          {
+            "type": "string"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      }
+    },
+    "type": "object"
+  }
+}

changedInput schema / properties / evidence / anyOf

Previous value: -[
-  {
-    "additionalProperties": true,
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "$ref": "#/$defs/FindingEvidence"
+  },
+  {
+    "type": "string"
+  },
+  {
+    "type": "null"
+  }
+]

removedInput schema / properties / evidence / title
```
Removed value: -"Evidence"
```

addedInput schema / properties / finding_id

Added value: +{
+  "default": "",
+  "type": "string"
+}

removedInput schema / properties / severity / title
```
Removed value: -"Severity"
```
removedInput schema / properties / title / title
```
Removed value: -"Title"
```
removedInput schema / properties / verify / title
```
Removed value: -"Verify"
```
removedInput schema / title
```
Removed value: -"record_bugArguments"
```

Changed12 schema fields changedOct 26, 2026
- removedOutput schema / properties / data / title
```
Removed value: -"Data"
```
- removedOutput schema / properties / error_code / title
```
Removed value: -"Error Code"
```
- removedOutput schema / properties / operation / title
```
Removed value: -"Operation"
```
- removedOutput schema / properties / progress_delivery_failed / title
```
Removed value: -"Progress Delivery Failed"
```
- removedOutput schema / properties / progress_omitted / title
```
Removed value: -"Progress Omitted"
```
- removedOutput schema / properties / recovery / title
```
Removed value: -"Recovery"
```
- removedOutput schema / properties / run_id / title
```
Removed value: -"Run Id"
```
- removedOutput schema / properties / schema_version / title
```
Removed value: -"Schema Version"
```
- removedOutput schema / properties / session_state / title
```
Removed value: -"Session State"
```
- removedOutput schema / properties / stages / title
```
Removed value: -"Stages"
```
- removedOutput schema / properties / status / title
```
Removed value: -"Status"
```
- removedOutput schema / title
```
Removed value: -"AgentResult"
```

Changed14 schema fields changedv0.5.2Oct 26, 2026

addedOutput schema / properties / data

Added value: +{
+  "additionalProperties": true,
+  "title": "Data",
+  "type": "object"
+}

addedOutput schema / properties / error_code

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "title": "Error Code"
+}

addedOutput schema / properties / operation

Added value: +{
+  "title": "Operation",
+  "type": "string"
+}

addedOutput schema / properties / progress_delivery_failed

Added value: +{
+  "default": false,
+  "title": "Progress Delivery Failed",
+  "type": "boolean"
+}

addedOutput schema / properties / progress_omitted

Added value: +{
+  "default": 0,
+  "title": "Progress Omitted",
+  "type": "integer"
+}

addedOutput schema / properties / recovery

Added value: +{
+  "items": {
+    "type": "string"
+  },
+  "title": "Recovery",
+  "type": "array"
+}

removedOutput schema / properties / result

Removed value: -{
-  "title": "Result",
-  "type": "string"
-}

addedOutput schema / properties / run_id

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "title": "Run Id"
+}

addedOutput schema / properties / schema_version

Added value: +{
+  "const": 1,
+  "default": 1,
+  "title": "Schema Version",
+  "type": "integer"
+}

addedOutput schema / properties / session_state

Added value: +{
+  "title": "Session State",
+  "type": "string"
+}

addedOutput schema / properties / stages

Added value: +{
+  "items": {
+    "type": "string"
+  },
+  "title": "Stages",
+  "type": "array"
+}

addedOutput schema / properties / status

Added value: +{
+  "enum": [
+    "completed",
+    "error"
+  ],
+  "title": "Status",
+  "type": "string"
+}

changedOutput schema / required

Previous value: -[
-  "result"
-]New value: +[
+  "operation",
+  "status",
+  "session_state",
+  "run_id",
+  "error_code"
+]

changedOutput schema / title

Previous value: -"record_bugOutput"New value: +"AgentResult"

Addedv0.5.1Jul 21, 2026

TDQS

A3.8/5.0

Behavior4/5

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

Annotations already flag destructiveHint=true and idempotentHint=false, and the description explains WHY: replay 'repeats writes' and rechecks are capped at twice. It also discloses that verify independently reloads the page and captures a screenshot there, which is non-obvious side-effect behavior. It stops short of saying what evidence or records survive a failed call.

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?

Compact and front-loaded — the core action and required evidence come first, then conditional rules. Some fragments are compressed to the point of being cryptic ('Inconclusive is not confirmed'), but no sentence is filler.

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, so return values need not be explained, and the destructive/replay semantics are covered. However, for a 5-parameter mutation tool with a 15-field nested evidence object at 0% schema coverage, key details are missing: severity's domain, the unused evidence fields, and the distinction from record_observation.

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 0%, so the description bears the full burden and it only partially delivers: it documents verify keys (expect, target_text, at_url), replay, finding_id, and evidence.expected/actual/goal(s), but says nothing about roughly half the evidence object's fields (url, at_url, steps, target, bug_type, after_url, screenshot, description, expect_status, evidence_calls) or about severity's accepted values.

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 and resource ('Record a user-affecting finding') plus the required content (evidence.expected, actual, goal/goals), which tells an agent exactly what to submit. It never names the closest sibling (record_observation), so the confirmed-bug vs. observation boundary is only implied by the closing 'Inconclusive is not confirmed.'

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 conditional routing: use suggested_verify for persistence failures, NOT replay; replay:true only when a symptom is absent before the journey; recheck via finding_id with unchanged title/severity and no evidence, max twice. The guidance is real but telegraphic and references artefacts (suggested_verify, 'confirmed') defined only elsewhere.

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