Influence

List Slack channels

slackChannelList

Read-onlyIdempotent

List joined Slack publishing channels. Requires an owned active account and current provider availability. Follow nextCursor until done, keeping the same connection and search fields.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`cursor`	No	nextCursor from the previous page of this exact tool and input
`connectionId`	Yes	Owned connectionId returned by accountList

Output Schema

TableJSON Schema

Name	Required	Description	Default
No arguments

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedOct 20, 2026

changedOutput schema / oneOf

Previous value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
-      "ok": {
-        "const": true,
-        "type": "boolean"
-      },
-      "output": {
-        "additionalProperties": false,
-        "properties": {
-          "output": {
-            "additionalProperties": false,
-            "properties": {
-              "done": {
-                "$ref": "#/$defs/__schema0"
-              },
-              "items": {
-                "$ref": "#/$defs/__schema1"
-              },
-              "nextCursor": {
-                "$ref": "#/$defs/__schema3"
-              }
-            },
-            "required": [
-              "done",
-              "items"
-            ],
-            "type": "object"
-          }
-        },
-        "required": [
-          "output"
-        ],
-        "type": "object"
-      },
-      "toolName": {
-        "const": "slackChannelList",
-        "type": "string"
-      }
-    },
-    "required": [
-      "ok",
-      "output",
-      "toolName"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": false,
-    "properties": {
-      "error": {
-        "additionalProperties": false,
-        "properties": {
-          "code": {
-            "enum": [
-              "INVALID_INPUT",
-              "FORBIDDEN",
-              "NOT_FOUND",
-              "CONFLICT",
-              "FEATURE_DISABLED",
-              "CONFIRMATION_REQUIRED",
-              "CONFIRMATION_INVALID",
-              "UPSTREAM_FAILED",
-              "NEEDS_REVIEW",
-              "INTERNAL"
-            ],
-            "type": "string"
-          },
-          "message": {
-            "maxLength": 2048,
-            "minLength": 1,
-            "type": "string"
-          },
-          "retryable": {
-            "type": "boolean"
-          }
-        },
-        "required": [
-          "code",
-          "message",
-          "retryable"
-        ],
-        "type": "object"
-      },
-      "ok": {
-        "const": false,
-        "type": "boolean"
-      },
-      "toolName": {
-        "const": "slackChannelList",
-        "type": "string"
-      }
-    },
-    "required": [
-      "error",
-      "ok",
-      "toolName"
-    ],
-    "type": "object"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "ok": {
+        "const": true,
+        "type": "boolean"
+      },
+      "output": {
+        "additionalProperties": false,
+        "properties": {
+          "output": {
+            "additionalProperties": false,
+            "properties": {
+              "done": {
+                "$ref": "#/$defs/__schema0"
+              },
+              "items": {
+                "$ref": "#/$defs/__schema1"
+              },
+              "nextCursor": {
+                "$ref": "#/$defs/__schema3"
+              }
+            },
+            "required": [
+              "done",
+              "items"
+            ],
+            "type": "object"
+          }
+        },
+        "required": [
+          "output"
+        ],
+        "type": "object"
+      },
+      "toolName": {
+        "const": "slackChannelList",
+        "type": "string"
+      }
+    },
+    "required": [
+      "ok",
+      "output",
+      "toolName"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "error": {
+        "additionalProperties": false,
+        "properties": {
+          "code": {
+            "enum": [
+              "AI_SCHEDULING_LIMIT_REACHED",
+              "AI_SCHEDULING_UNAVAILABLE",
+              "INVALID_INPUT",
+              "FORBIDDEN",
+              "NOT_FOUND",
+              "CONFLICT",
+              "FEATURE_DISABLED",
+              "CONFIRMATION_REQUIRED",
+              "CONFIRMATION_INVALID",
+              "UPSTREAM_FAILED",
+              "NEEDS_REVIEW",
+              "INTERNAL"
+            ],
+            "type": "string"
+          },
+          "message": {
+            "maxLength": 2048,
+            "minLength": 1,
+            "type": "string"
+          },
+          "retryable": {
+            "type": "boolean"
+          }
+        },
+        "required": [
+          "code",
+          "message",
+          "retryable"
+        ],
+        "type": "object"
+      },
+      "ok": {
+        "const": false,
+        "type": "boolean"
+      },
+      "toolName": {
+        "const": "slackChannelList",
+        "type": "string"
+      }
+    },
+    "required": [
+      "error",
+      "ok",
+      "toolName"
+    ],
+    "type": "object"
+  }
+]

First observedOct 11, 2026

TDQS

A3.9/5.0

Behavior4/5

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

Annotations already declare readOnly, idempotent, non-destructive and closed-world, so the safety profile is covered. The description adds genuinely useful behavior beyond that: pagination semantics (iterate nextCursor) and the invariant that the same connection must be reused across pages.

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?

Three short sentences, front-loaded with the resource scope, then prerequisites, then pagination. Every sentence earns its place, though the 'search fields' clause is a slightly misplaced detail.

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 two-parameter list tool with an output schema, the definition covers scope, access prerequisites, and pagination termination, which is what an agent needs to call it correctly. Return-value detail is legitimately left to the output schema.

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 in the schema and the baseline is 3. The description reinforces cursor handling ('Follow nextCursor') but the phrase 'search fields' does not correspond to any parameter in this schema, adding a small amount of noise rather than new 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 (List) and a precisely scoped resource (joined Slack publishing channels), which distinguishes it from the many other *ChannelList siblings by platform and scope. It does not name a sibling or state the boundary explicitly, so it falls just short of a 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 clear preconditions for use ('Requires an owned active account and current provider availability') and instructions on how to consume the result ('Follow nextCursor until done'). It offers context but no explicit when-not or named alternative among the channel-list siblings.

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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