Proof Holdings

list_hitls

Read-only

List HITL configs with optional filters. Returns paginated results.

ACCESS: needs a Proof account. Authenticate this client (Claude Code: /mcp → Authenticate), then call this tool again. start_login does NOT open this tool.

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": "list_hitls"
  }
}

Input Schema

Name	Required	Description
`page`	No	Page number
`limit`	No	Items per page
`status`	No	Filter by status (active or archived)
`profile_id`	No	Only this sub-account's configs (24 hex characters)
`environment`	No	Filter by environment (production or test)

Output Schema

Name	Required	Description	Default
`data`	Yes
`limits`	Yes
`pagination`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed2 schema fields changedNov 2, 2026

addedInput schema / properties / profile_id

Added value: +{
+  "description": "Only this sub-account's configs (24 hex characters)",
+  "pattern": "^[0-9a-fA-F]{24}$",
+  "type": "string"
+}

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": {},
+  "description": "Paginated list of HITL configurations",
+  "properties": {
+    "data": {
+      "items": {
+        "additionalProperties": {},
+        "properties": {
+          "channels": {
+            "items": {
+              "oneOf": [
+                {
+                  "additionalProperties": {},
+                  "properties": {
+                    "config": {
+                      "additionalProperties": {},
+                      "properties": {
+                        "chat_id": {
+                          "type": "string"
+                        }
+                      },
+                      "required": [
+                        "chat_id"
+                      ],
+                      "type": "object"
+                    },
+                    "type": {
+                      "const": "telegram",
+                      "type": "string"
+                    }
+                  },
+                  "required": [
+                    "type",
+                    "config"
+                  ],
+                  "type": "object"
+                },
+                {
+                  "additionalProperties": {},
+                  "properties": {
+                    "config": {
+                      "additionalProperties": {},
+                      "properties": {
+                        "bsuid": {
+                          "type": "string"
+                        },
+                        "phone_number": {
+                          "type": "string"
+                        }
+                      },
+                      "type": "object"
+                    },
+                    "type": {
+                      "const": "whatsapp",
+                      "type": "string"
+                    }
+                  },
+                  "required": [
+                    "type",
+                    "config"
+                  ],
+                  "type": "object"
+                }
+              ]
+            },
+            "type": "array"
+          },
+          "circle_id": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "created_at": {
+            "type": "string"
+          },
+          "environment": {
+            "type": "string"
+          },
+          "id": {
+            "type": "string"
+          },
+          "keypair": {
+            "anyOf": [
+              {
+                "additionalProperties": {},
+                "properties": {
+                  "has_backup_wrapper": {
+                    "type": "boolean"
+                  },
+                  "has_encrypted_private_key": {
+                    "type": "boolean"
+                  },
+                  "has_wrapped_dek": {
+                    "type": "boolean"
+                  },
+                  "kid": {
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "kid",
+                  "has_encrypted_private_key",
+                  "has_wrapped_dek",
+                  "has_backup_wrapper"
+                ],
+                "type": "object"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          },
+          "name": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "profile_id": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "status": {
+            "type": "string"
+          },
+          "timeout_seconds": {
+            "maximum": 9007199254740991,
+            "minimum": -9007199254740991,
+            "type": "integer"
+          },
+          "updated_at": {
+            "type": "string"
+          },
+          "user_id": {
+            "type": [
+              "string",
+              "null"
+            ]
+          }
+        },
+        "required": [
+          "id",
+          "user_id",
+          "channels",
+          "timeout_seconds",
+          "status",
+          "keypair",
+          "environment",
+          "created_at",
+          "updated_at"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "limits": {
+      "additionalProperties": {},
+      "properties": {
+        "active_configs": {
+          "maximum": 9007199254740991,
+          "minimum": -9007199254740991,
+          "type": "integer"
+        },
+        "max_active_configs": {
+          "anyOf": [
+            {
+              "maximum": 9007199254740991,
+              "minimum": -9007199254740991,
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        }
+      },
+      "required": [
+        "max_active_configs",
+        "active_configs"
+      ],
+      "type": "object"
+    },
+    "pagination": {
+      "additionalProperties": {},
+      "properties": {
+        "limit": {
+          "maximum": 9007199254740991,
+          "minimum": -9007199254740991,
+          "type": "integer"
+        },
+        "page": {
+          "maximum": 9007199254740991,
+          "minimum": -9007199254740991,
+          "type": "integer"
+        },
+        "total": {
+          "maximum": 9007199254740991,
+          "minimum": -9007199254740991,
+          "type": "integer"
+        },
+        "total_pages": {
+          "maximum": 9007199254740991,
+          "minimum": -9007199254740991,
+          "type": "integer"
+        }
+      },
+      "required": [
+        "page",
+        "limit",
+        "total",
+        "total_pages"
+      ],
+      "type": "object"
+    }
+  },
+  "required": [
+    "data",
+    "pagination",
+    "limits"
+  ],
+  "type": "object"
+}

Changed2 schema fields changedOct 26, 2026
- removedInput schema / additionalProperties
```
Removed value: -false
```
- addedInput schema / properties / page / maximum
```
Added value: +9007199254740991
```
First observedSep 19, 2026

TDQS

A3.7/5.0

Behavior4/5

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

readOnlyHint already declares this a safe read, and the description adds genuinely non-obvious context: results are paginated and the tool is gated behind account authentication that start_login does not satisfy. It stops short of describing sort order or total-count behavior, but the auth gotcha is the kind of detail annotations cannot convey.

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?

Two tight paragraphs with the capability stated first and the blocking prerequisite second; no filler. The access note runs slightly long with the parenthetical UI path, but it earns its space given the failure mode it prevents.

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, return values need no explanation, and the 100% param coverage removes that burden too. The description covers the one thing structured fields cannot: the authentication gate. Only the lack of explicit sibling disambiguation keeps it from a 5.

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 page/limit/status/profile_id/environment all documented inline including enums and the profile_id hex pattern, so the baseline is 3. The description only restates that filters are optional and results paginated, adding no new parameter meaning.

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 ("List HITL configs") plus scope ("optional filters", "paginated results"). It is distinguishable from get_hitl/create_hitl/delete_hitl by the List verb, though it never names those siblings explicitly and leaves the 'HITL' acronym unexpanded.

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 ACCESS paragraph gives a real prerequisite (needs a Proof account, authenticate the client, start_login will not enable this tool), which is more than most list tools offer. However, there is no guidance on when to choose this over get_hitl for a single config or when the status/environment filters are appropriate.

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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