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List Microsoft Teams channels

teamsChannelList
Read-onlyIdempotent

List channels in the connected team available to this publishing account. Requires an owned active account and current provider availability. Follow nextCursor until done, keeping the same connection and search fields.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
cursorNonextCursor from the previous page of this exact tool and input
connectionIdYesOwned connectionId returned by accountList

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • 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": "teamsChannelList",
      -        "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": "teamsChannelList",
      -        "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": "teamsChannelList",
      +        "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": "teamsChannelList",
      +        "type": "string"
      +      }
      +    },
      +    "required": [
      +      "error",
      +      "ok",
      +      "toolName"
      +    ],
      +    "type": "object"
      +  }
      +]
  2. First observed

TDQS

A4.2/5.0
Behavior4/5

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

Annotations already cover the read-only, idempotent, non-destructive, non-open-world profile, so the bar is low. The description adds genuine behavioral context beyond them: the account-ownership/availability precondition and the pagination contract that the cursor must be consumed with the same connection and filters.

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?

Three short sentences, front-loaded with the core action, then prerequisites, then pagination rules. No filler or restatement of the name/title.

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?

Output schema exists, so return values need not be described, and annotations plus schema cover safety and parameters. The description supplies the required preconditions and pagination behavior; the only wrinkle is the reference to 'search fields' that have no counterpart in the input schema, a minor ambiguity.

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, which sets the baseline at 3. The description reinforces cursor usage and frames connectionId as a publishing-account connection, but adds no syntax or format detail the schema doesn't already carry.

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 verb and resource (list channels) scoped to the connected Teams team for the publishing account. An agent can distinguish it from slackChannelList/discordChannelList/mattermostChannelList purely from the resource name and title without opening a 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?

Gives real prerequisites (owned active account, current provider availability) and operating instructions (follow nextCursor to completion, keep the same connection and search fields). It does not, however, name when to prefer an alternative sibling or any exclusion condition.

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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