Vendo AI

Update campaign (wizard settings)

update_campaign

Change a campaign's name, description or any wizard setting (partial: send only what changes; settings are merged). agentId and branchId can be changed only while the campaign is a draft. Settings (all optional): channels, dailyLimit, dailyEmailLimit, dailyLinkedinLimit, timezone, workingHours, excludeWeekends, campaignDurationDays, customInstructions (Communication Rules incl. form of address), emailSignature, notifyEmails, ccEmail, autoResponseEnabled, autoResponseDelayMinutes, followUpInterval, maxFollowUps, trackOpens, emailSenderMode (managed needs a paid plan), senderEmailIds, emailContent {mode, prompt, tone, variants, htmlSteps, followUps[{delayDays, prompt|subject+body}]}, linkedinContent {mode, invite_prompt, invite_tone, invite_exact_text, followup_delay_minutes, followup_exact_text}, selectedLinkedinAccountIds, linkedinAutoReplyDisabled. On a running campaign, changed email steps/delays are not applied once anything was sent (settings.smartleadSequencePending). No sending, no credits.

Input Schema

Name	Required	Description
`id`	Yes	Campaign id (UUID) from list_campaigns
`name`	No
`agentId`	No	Draft only
`branchId`	No	Draft only; null = General
`settings`	No
`description`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed2 schema fields changedOct 27, 2026

changedInput schema / properties / settings / properties / workingHours / description

Previous value: -"[startHour, endHour] in the campaign timezone (default [9,18])."New value: +"[startHour, endHour] in the campaign timezone (default [9,18]). Two integers: start 0-23, end 1-24."

changedInput schema / properties / settings / properties / workingHours / items

Previous value: -[
-  {
-    "maximum": 23,
-    "minimum": 0,
-    "type": "integer"
-  },
-  {
-    "maximum": 24,
-    "minimum": 1,
-    "type": "integer"
-  }
-]New value: +{
+  "maximum": 24,
+  "minimum": 0,
+  "type": "integer"
+}

Changed5 schema fields changedOct 26, 2026

addedInput schema / properties / agentId

Added value: +{
+  "description": "Draft only",
+  "type": "string"
+}

addedInput schema / properties / branchId

Added value: +{
+  "description": "Draft only; null = General",
+  "type": [
+    "string",
+    "null"
+  ]
+}

addedInput schema / properties / id / description

Added value: +"Campaign id (UUID) from list_campaigns"

changedInput schema / properties / settings / additionalProperties
```
Previous value: -{}New value: +true
```

addedInput schema / properties / settings / properties

Added value: +{
+  "autoResponseDelayMinutes": {
+    "description": "Delay before the AI email auto-reply (default 10).",
+    "minimum": 0,
+    "type": "integer"
+  },
+  "autoResponseEnabled": {
+    "description": "AI answers email replies automatically (default true).",
+    "type": "boolean"
+  },
+  "campaignDurationDays": {
+    "description": "Planned duration in days (default 30).",
+    "minimum": 1,
+    "type": "integer"
+  },
+  "ccEmail": {
+    "description": "Address put in CC of outgoing emails.",
+    "type": "string"
+  },
+  "channels": {
+    "description": "Channels the campaign uses (default ['email']).",
+    "items": {
+      "enum": [
+        "email",
+        "linkedin",
+        "phone_call"
+      ],
+      "type": "string"
+    },
+    "type": "array"
+  },
+  "clientEmailProvider": {
+    "anyOf": [
+      {
+        "enum": [
+          "google",
+          "microsoft"
+        ],
+        "type": "string"
+      },
+      {
+        "type": "null"
+      }
+    ],
+    "description": "Informational provider of own mailboxes."
+  },
+  "customInstructions": {
+    "description": "Communication Rules: CTA, links, promises, what never to say. Overrides prompt defaults in emails, follow-ups, AI auto-replies and LinkedIn. Also sets the informal/formal form of address (e.g. ти/Ви, du/Sie) when the rules say so.",
+    "maxLength": 6000,
+    "type": "string"
+  },
+  "dailyEmailLimit": {
+    "description": "Emails per day; the app keeps it equal to dailyLimit.",
+    "minimum": 0,
+    "type": "integer"
+  },
+  "dailyLimit": {
+    "description": "New contacts emailed per day. Must not exceed sender capacity (list_sender_emails / list_client_mailboxes). Default 200.",
+    "minimum": 0,
+    "type": "integer"
+  },
+  "dailyLinkedinLimit": {
+    "description": "Campaign-wide LinkedIn invites per day across ALL its accounts (hard limit). Each account also has its own warm-up cap.",
+    "minimum": 0,
+    "type": "integer"
+  },
+  "emailContent": {
+    "additionalProperties": true,
+    "description": "Email content (wizard step 4). On a running campaign a change to steps/delays is NOT applied once anything was sent; see settings.smartleadSequencePending in get_campaign.",
+    "properties": {
+      "followUps": {
+        "description": "Follow-ups after the first email (max 7).",
+        "items": {
+          "additionalProperties": false,
+          "properties": {
+            "body": {
+              "description": "Fixed mode: body.",
+              "maxLength": 20000,
+              "type": "string"
+            },
+            "delayDays": {
+              "description": "Days after the previous email.",
+              "maximum": 90,
+              "minimum": 1,
+              "type": "integer"
+            },
+            "prompt": {
+              "description": "AI mode: writing rules for this follow-up.",
+              "maxLength": 4000,
+              "type": "string"
+            },
+            "subject": {
+              "description": "Fixed mode: subject.",
+              "maxLength": 500,
+              "type": "string"
+            }
+          },
+          "required": [
+            "delayDays"
+          ],
+          "type": "object"
+        },
+        "maxItems": 7,
+        "type": "array"
+      },
+      "htmlSteps": {
+        "description": "HTML mode: one entry per email; delayDays = days after the previous email (not on the first).",
+        "items": {
+          "additionalProperties": false,
+          "properties": {
+            "delayDays": {
+              "maximum": 90,
+              "minimum": 1,
+              "type": "integer"
+            },
+            "html": {
+              "type": "string"
+            },
+            "subject": {
+              "maxLength": 500,
+              "type": "string"
+            }
+          },
+          "required": [
+            "subject",
+            "html"
+          ],
+          "type": "object"
+        },
+        "maxItems": 20,
+        "type": "array"
+      },
+      "mode": {
+        "description": "ai = AI writes each email from the prompt; fixed = your text with {{first_name}}-style placeholders; html = your own HTML steps.",
+        "enum": [
+          "ai",
+          "fixed",
+          "html"
+        ],
+        "type": "string"
+      },
+      "prompt": {
+        "description": "AI writing rules for the first email.",
+        "type": "string"
+      },
+      "tone": {
+        "enum": [
+          "formal",
+          "casual",
+          "friendly"
+        ],
+        "type": "string"
+      },
+      "variants": {
+        "description": "Fixed mode: up to 5 A/B variants of the first email.",
+        "items": {
+          "additionalProperties": false,
+          "properties": {
+            "body": {
+              "type": "string"
+            },
+            "subject": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "subject",
+            "body"
+          ],
+          "type": "object"
+        },
+        "maxItems": 5,
+        "type": "array"
+      }
+    },
+    "required": [
+      "mode"
+    ],
+    "type": "object"
+  },
+  "emailSenderMode": {
+    "description": "managed = Vendo warmed pool (PAID PLAN REQUIRED to launch); client_owned = the workspace's own mailboxes (connect_client_mailbox). Default managed.",
+    "enum": [
+      "managed",
+      "client_owned"
+    ],
+    "type": "string"
+  },
+  "emailSignature": {
+    "description": "HTML signature appended to emails ('' = no signature).",
+    "type": "string"
+  },
+  "excludeWeekends": {
+    "description": "Do not send on Saturday/Sunday (default true).",
+    "type": "boolean"
+  },
+  "followUpInterval": {
+    "description": "Legacy: days between follow-ups, used only when emailContent.followUps is empty (default 3).",
+    "minimum": 0,
+    "type": "integer"
+  },
+  "linkedinAutoReplyDisabled": {
+    "description": "Switch LinkedIn AI auto-replies OFF for this campaign only (per-account settings: update_linkedin_account_settings).",
+    "type": "boolean"
+  },
+  "linkedinContent": {
+    "additionalProperties": true,
+    "description": "LinkedIn content (wizard step 5).",
+    "properties": {
+      "followup_delay_minutes": {
+        "description": "Delay of the first message after the invite is accepted.",
+        "maximum": 43200,
+        "minimum": 0,
+        "type": "integer"
+      },
+      "followup_exact_text": {
+        "description": "Fixed first message after connect.",
+        "maxLength": 1500,
+        "type": "string"
+      },
+      "invite_exact_text": {
+        "description": "Fixed connection note (LinkedIn sends max 200 chars).",
+        "maxLength": 300,
+        "type": "string"
+      },
+      "invite_prompt": {
+        "description": "AI rules for the connection note (also used for the form of address).",
+        "type": "string"
+      },
+      "invite_tone": {
+        "$ref": "#/properties/settings/properties/emailContent/properties/tone"
+      },
+      "mode": {
+        "enum": [
+          "ai",
+          "fixed"
+        ],
+        "type": "string"
+      }
+    },
+    "required": [
+      "mode"
+    ],
+    "type": "object"
+  },
+  "maxFollowUps": {
+    "description": "Legacy: number of follow-ups when emailContent.followUps is empty (default 3).",
+    "maximum": 7,
+    "minimum": 0,
+    "type": "integer"
+  },
+  "notifyEmails": {
+    "description": "Addresses notified when a lead replies.",
+    "items": {
+      "type": "string"
+    },
+    "type": "array"
+  },
+  "selectedLinkedinAccountIds": {
+    "description": "LinkedIn accounts used by this campaign (ids from list_linkedin_accounts). Empty = all connected accounts at launch.",
+    "items": {
+      "type": "string"
+    },
+    "type": "array"
+  },
+  "senderEmailIds": {
+    "description": "Restrict sending to these sender ids from list_sender_emails (empty = auto-assign at launch).",
+    "items": {
+      "type": "string"
+    },
+    "type": "array"
+  },
+  "speedTier": {
+    "enum": [
+      "conservative",
+      "balanced",
+      "aggressive"
+    ],
+    "type": "string"
+  },
+  "stopOnNegative": {
+    "description": "Saved like the app (currently not read by the sender).",
+    "type": "boolean"
+  },
+  "timezone": {
+    "description": "IANA timezone of the sending window, e.g. Europe/London (default).",
+    "type": "string"
+  },
+  "trackLinks": {
+    "description": "Saved like the app (currently not read by the sender).",
+    "type": "boolean"
+  },
+  "trackOpens": {
+    "description": "Insert the open-tracking pixel.",
+    "type": "boolean"
+  },
+  "workingHours": {
+    "description": "[startHour, endHour] in the campaign timezone (default [9,18]).",
+    "items": [
+      {
+        "maximum": 23,
+        "minimum": 0,
+        "type": "integer"
+      },
+      {
+        "maximum": 24,
+        "minimum": 1,
+        "type": "integer"
+      }
+    ],
+    "maxItems": 2,
+    "minItems": 2,
+    "type": "array"
+  }
+}

First observedJul 28, 2026

TDQS

A4.4/5.0

Behavior5/5

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

With no annotations, the description carries the full burden and does so well: merge semantics for partial updates, draft-only restrictions on agentId/branchId, the 'changed email steps/delays are not applied once anything was sent' caveat pointing at smartleadSequencePending, the paid-plan requirement for managed sender mode, and the explicit no-send/no-credit side effect.

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

Conciseness3/5

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

Purpose and constraints are front-loaded, which is good, but the long comma-delimited list of every settings key duplicates what the schema already declares and bloats the middle of the description. Splitting into short labeled sentences would make it far more scannable.

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?

For a nested-parameter mutation tool with no output schema, the description covers the mutation semantics, the restrictions, and the key side-effect caveat. It does not say what the tool returns or how errors are surfaced, which leaves a minor gap.

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 coverage is 50% and nested, so description must compensate; it does by enumerating the optional settings keys (including ones the schema leaves undocumented against the 50% figure) and explaining merge semantics and the draft-only rule. It omits a few schema fields (speedTier, trackLinks, stopOnNegative, clientEmailProvider) and largely restates the emailContent/linkedinContent shape, so not a full 5.

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?

Opens with a specific verb and resource ('Change a campaign's name, description or any wizard setting') and immediately states the scope, distinguishing it from create_campaign and update_campaign_discovery. The parenthetical 'partial: send only what changes; settings are merged' makes the mutation model unambiguous.

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 usage conditions: send only what changes, agentId/branchId only while draft, and 'No sending, no credits' to steer the agent away from send/launch tools. It never names a sibling alternative explicitly (e.g. update_campaign_discovery for discovery settings), so it stops short of a 5.

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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