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VoidMob MCP

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by voidmobcom
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TypeScript
Remote

Buy a proxy

purchase_proxy
Destructive

Purchase a proxy plan with user-approved max price, charging balance only if current price matches; refunds automatically if provisioning fails, then poll status for connection details.

Instructions

Buy a proxy plan from search_proxies, charged to your balance immediately. Requires max_price_cents: the plan price you showed the user and they approved; if the price is now higher, nothing is charged and the new price comes back to re-confirm. A shared proxy becomes active in 1-2 minutes; a dedicated proxy is often active immediately, otherwise within about 5 minutes. If it cannot be provisioned, the charge is refunded automatically. Poll get_proxy_status until status='active' for the connection details.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
plan_idYesplan_... id from search_proxies
max_price_centsYesThe price you showed the user and they approved, in US cents (e.g. 250 = $2.50). Nothing is charged if the current price is higher; the new price comes back so you can ask the user again.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
proxyYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed3 schema fields changedv1.2.1
    • addedInput schema / properties / max_price_cents
      Added value: +{
+  "description": "The price you showed the user and they approved, in US cents (e.g. 250 = $2.50). Nothing is charged if the current price is higher; the new price comes back so you can ask the user again.",
+  "exclusiveMinimum": 0,
+  "maximum": 1000000,
+  "type": "integer"
+}
    • changedInput schema / required
      Previous value: -[
-  "plan_id"
-]New value: +[
+  "plan_id",
+  "max_price_cents"
+]
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": {},
+  "properties": {
+    "proxy": {
+      "additionalProperties": {},
+      "properties": {
+        "auto_renew": {
+          "type": "boolean"
+        },
+        "carrier": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "charged_price_cents": {
+          "maximum": 9007199254740991,
+          "minimum": -9007199254740991,
+          "type": "integer"
+        },
+        "country": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "created_at": {
+          "type": "string"
+        },
+        "data_bytes_used": {
+          "maximum": 9007199254740991,
+          "minimum": -9007199254740991,
+          "type": "integer"
+        },
+        "data_gb_total": {
+          "maximum": 9007199254740991,
+          "minimum": -9007199254740991,
+          "type": "integer"
+        },
+        "expires_at": {
+          "type": "string"
+        },
+        "gateway": {
+          "anyOf": [
+            {
+              "additionalProperties": {},
+              "properties": {
+                "host": {
+                  "type": "string"
+                },
+                "password": {
+                  "type": "string"
+                },
+                "port": {
+                  "maximum": 9007199254740991,
+                  "minimum": -9007199254740991,
+                  "type": "integer"
+                },
+                "protocol": {
+                  "enum": [
+                    "http",
+                    "socks5"
+                  ],
+                  "type": "string"
+                },
+                "socks_port": {
+                  "anyOf": [
+                    {
+                      "maximum": 9007199254740991,
+                      "minimum": -9007199254740991,
+                      "type": "integer"
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ]
+                },
+                "username": {
+                  "type": "string"
+                },
+                "username_geo_hint": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "host",
+                "port",
+                "protocol",
+                "username",
+                "password"
+              ],
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "id": {
+          "type": "string"
+        },
+        "lists": {
+          "items": {
+            "additionalProperties": {},
+            "properties": {
+              "activation_note": {
+                "type": "string"
+              },
+              "city": {
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "countries": {
+                "anyOf": [
+                  {
+                    "items": {
+                      "type": "string"
+                    },
+                    "type": "array"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              },
+              "country": {
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "created_at": {
+                "type": "string"
+              },
+              "credentials": {
+                "anyOf": [
+                  {
+                    "additionalProperties": {},
+                    "properties": {
+                      "host": {
+                        "type": "string"
+                      },
+                      "password": {
+                        "type": "string"
+                      },
+                      "port": {
+                        "maximum": 9007199254740991,
+                        "minimum": -9007199254740991,
+                        "type": "integer"
+                      },
+                      "protocol": {
+                        "type": "string"
+                      },
+                      "username": {
+                        "type": "string"
+                      }
+                    },
+                    "required": [
+                      "host",
+                      "port",
+                      "protocol",
+                      "username",
+                      "password"
+                    ],
+                    "type": "object"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              },
+              "entries": {
+                "items": {
+                  "type": "string"
+                },
+                "type": "array"
+              },
+              "format": {
+                "type": "string"
+              },
+              "id": {
+                "type": "string"
+              },
+              "isp": {
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "name": {
+                "type": "string"
+              },
+              "network": {
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "proxy_id": {
+                "type": "string"
+              },
+              "region": {
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "rotation_mode": {
+                "type": "string"
+              },
+              "rotation_period_seconds": {
+                "maximum": 9007199254740991,
+                "minimum": -9007199254740991,
+                "type": "integer"
+              },
+              "zip": {
+                "type": [
+                  "string",
+                  "null"
+                ]
+              }
+            },
+            "required": [
+              "id",
+              "proxy_id",
+              "name",
+              "rotation_period_seconds",
+              "rotation_mode",
+              "format",
+              "credentials",
+              "entries",
+              "activation_note",
+              "created_at"
+            ],
+            "type": "object"
+          },
+          "type": "array"
+        },
+        "next_renewal_price_cents": {
+          "anyOf": [
+            {
+              "maximum": 9007199254740991,
+              "minimum": -9007199254740991,
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "plan_id": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "rotation_url": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "status": {
+          "enum": [
+            "provisioning",
+            "active",
+            "expired",
+            "refunded",
+            "exhausted"
+          ],
+          "type": "string"
+        },
+        "type": {
+          "enum": [
+            "shared",
+            "dedicated_standard",
+            "dedicated_premium"
+          ],
+          "type": "string"
+        }
+      },
+      "required": [
+        "id",
+        "status",
+        "data_gb_total",
+        "data_bytes_used",
+        "charged_price_cents",
+        "expires_at",
+        "gateway",
+        "lists"
+      ],
+      "type": "object"
+    }
+  },
+  "required": [
+    "proxy"
+  ],
+  "type": "object"
+}
  2. Changed2 schema fields changedv1.1.8
    • addedInput schema / properties / plan_id / description
      Added value: +"plan_... id from search_proxies"
    • addedInput schema / properties / plan_id / pattern
      Added value: +"^(?:plan_[A-Za-z0-9_-]{1,64})$"
  3. First observedv1.1.3

TDQS

A4.5/5.0
Behavior5/5

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

Annotations flag it as destructive and non-idempotent, but the description adds crucial behavior: immediate charge, a max-price safeguard that avoids charge if price rises, provisioning times for shared vs dedicated, automatic refund on failure, and the post-purchase polling step. This exceeds what annotations convey and does not contradict 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?

Front-loads the core action and charge, then adds only necessary details about price confirmation, timing, refunds, and next steps. Every sentence earns its place with no filler.

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?

Given the output schema exists, the description need not explain return values. It covers prerequisites, billing behavior, provisioning expectations, failure handling, and the required follow-up call, leaving nothing essential for correct invocation missing.

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 100%, so both parameters are already documented. The description restates the max_price_cents confirmation flow (price shown to user, no charge if higher) but adds no new syntax or constraints beyond the schema.

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?

States a specific action (buy a proxy plan) and names the source tool (search_proxies), clearly separating it from siblings like renew_proxy or purchase_dedicated_number. An agent can identify the operation without opening the schema.

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?

Provides clear context: use after search_proxies, requires a user-approved price, and follow up with get_proxy_status. However, it does not explicitly name alternatives for extending or topping up an existing proxy (renew_proxy/topup_proxy), so the when-not guidance is absent.

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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