Mastodon

Get Timeline

get_timeline

Read-onlyIdempotent

Get recent posts from the public Mastodon timeline. Returns statuses with authors, timestamps, engagement counts, and content.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`limit`	No	Number of statuses to return (default: 20, max: 40)

Output Schema

TableJSON Schema

Name	Required	Description	Default
`count`	Yes	Number of statuses returned
`statuses`	Yes	Recent public timeline posts

Schema Changelog

Changes observed during successful MCP inspections.

Changed2 schema fields changedMay 24, 2026

addedInput schema / examples

Added value: +[
+  {
+    "limit": 25
+  }
+]

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "count": {
+      "description": "Number of statuses returned",
+      "type": "number"
+    },
+    "statuses": {
+      "description": "Recent public timeline posts",
+      "items": {
+        "properties": {
+          "account": {
+            "description": "Author account info",
+            "properties": {
+              "acct": {
+                "description": "Full account address",
+                "type": "string"
+              },
+              "display_name": {
+                "description": "Display name",
+                "type": "string"
+              },
+              "id": {
+                "description": "Account ID",
+                "type": "string"
+              },
+              "username": {
+                "description": "Username",
+                "type": "string"
+              }
+            },
+            "type": "object"
+          },
+          "content": {
+            "description": "Post content/body",
+            "type": "string"
+          },
+          "created_at": {
+            "description": "Post creation timestamp",
+            "type": "string"
+          },
+          "favourites_count": {
+            "description": "Number of favorites",
+            "type": "number"
+          },
+          "id": {
+            "description": "Status ID",
+            "type": "string"
+          },
+          "language": {
+            "description": "Post language code",
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "reblogs_count": {
+            "description": "Number of reblogs/shares",
+            "type": "number"
+          },
+          "replies_count": {
+            "description": "Number of replies",
+            "type": "number"
+          },
+          "sensitive": {
+            "description": "Content warning flag",
+            "type": "boolean"
+          },
+          "spoiler_text": {
+            "description": "Content warning text",
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "tags": {
+            "description": "Hashtags in post",
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          "url": {
+            "description": "Status URL",
+            "type": "string"
+          },
+          "visibility": {
+            "description": "Visibility level",
+            "type": "string"
+          }
+        },
+        "type": "object"
+      },
+      "type": "array"
+    }
+  },
+  "required": [
+    "count",
+    "statuses"
+  ],
+  "type": "object"
+}

Changed2 schema fields changedMay 13, 2026

removedInput schema / examples

Removed value: -[
-  {
-    "limit": 25
-  }
-]

changedOutput schema / (root)

Previous value: -{
-  "properties": {
-    "count": {
-      "description": "Number of statuses returned",
-      "type": "number"
-    },
-    "statuses": {
-      "description": "Recent public timeline posts",
-      "items": {
-        "properties": {
-          "account": {
-            "description": "Author account info",
-            "properties": {
-              "acct": {
-                "description": "Full account address",
-                "type": "string"
-              },
-              "display_name": {
-                "description": "Display name",
-                "type": "string"
-              },
-              "id": {
-                "description": "Account ID",
-                "type": "string"
-              },
-              "username": {
-                "description": "Username",
-                "type": "string"
-              }
-            },
-            "type": "object"
-          },
-          "content": {
-            "description": "Post content/body",
-            "type": "string"
-          },
-          "created_at": {
-            "description": "Post creation timestamp",
-            "type": "string"
-          },
-          "favourites_count": {
-            "description": "Number of favorites",
-            "type": "number"
-          },
-          "id": {
-            "description": "Status ID",
-            "type": "string"
-          },
-          "language": {
-            "description": "Post language code",
-            "type": [
-              "string",
-              "null"
-            ]
-          },
-          "reblogs_count": {
-            "description": "Number of reblogs/shares",
-            "type": "number"
-          },
-          "replies_count": {
-            "description": "Number of replies",
-            "type": "number"
-          },
-          "sensitive": {
-            "description": "Content warning flag",
-            "type": "boolean"
-          },
-          "spoiler_text": {
-            "description": "Content warning text",
-            "type": [
-              "string",
-              "null"
-            ]
-          },
-          "tags": {
-            "description": "Hashtags in post",
-            "items": {
-              "type": "string"
-            },
-            "type": "array"
-          },
-          "url": {
-            "description": "Status URL",
-            "type": "string"
-          },
-          "visibility": {
-            "description": "Visibility level",
-            "type": "string"
-          }
-        },
-        "type": "object"
-      },
-      "type": "array"
-    }
-  },
-  "required": [
-    "count",
-    "statuses"
-  ],
-  "type": "object"
-}New value: +null

Changed1 schema field changedMay 8, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "count": {
+      "description": "Number of statuses returned",
+      "type": "number"
+    },
+    "statuses": {
+      "description": "Recent public timeline posts",
+      "items": {
+        "properties": {
+          "account": {
+            "description": "Author account info",
+            "properties": {
+              "acct": {
+                "description": "Full account address",
+                "type": "string"
+              },
+              "display_name": {
+                "description": "Display name",
+                "type": "string"
+              },
+              "id": {
+                "description": "Account ID",
+                "type": "string"
+              },
+              "username": {
+                "description": "Username",
+                "type": "string"
+              }
+            },
+            "type": "object"
+          },
+          "content": {
+            "description": "Post content/body",
+            "type": "string"
+          },
+          "created_at": {
+            "description": "Post creation timestamp",
+            "type": "string"
+          },
+          "favourites_count": {
+            "description": "Number of favorites",
+            "type": "number"
+          },
+          "id": {
+            "description": "Status ID",
+            "type": "string"
+          },
+          "language": {
+            "description": "Post language code",
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "reblogs_count": {
+            "description": "Number of reblogs/shares",
+            "type": "number"
+          },
+          "replies_count": {
+            "description": "Number of replies",
+            "type": "number"
+          },
+          "sensitive": {
+            "description": "Content warning flag",
+            "type": "boolean"
+          },
+          "spoiler_text": {
+            "description": "Content warning text",
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "tags": {
+            "description": "Hashtags in post",
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          "url": {
+            "description": "Status URL",
+            "type": "string"
+          },
+          "visibility": {
+            "description": "Visibility level",
+            "type": "string"
+          }
+        },
+        "type": "object"
+      },
+      "type": "array"
+    }
+  },
+  "required": [
+    "count",
+    "statuses"
+  ],
+  "type": "object"
+}

Changed1 schema field changedMay 6, 2026
- addedInput schema / examples
```
Added value: +[
+  {
+    "limit": 25
+  }
+]
```
First observedApr 22, 2026

TDQS

A3.7/5.0

Behavior3/5

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

Annotations already declare readOnlyHint, idempotentHint, and destructiveHint. The description adds the return format but does not disclose potential rate limits, pagination, or other behavioral traits beyond what annotations provide.

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?

Single sentence, no wasted words. All information is front-loaded and necessary.

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?

For a simple read-only tool with a clear output schema (implied), the description covers the essential purpose and return content. No gaps identified.

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% for the single limit parameter. The description does not add details beyond the schema, so baseline 3 is appropriate.

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?

The description specifies the action ('Get recent posts'), the resource ('public Mastodon timeline'), and the returned fields ('statuses with authors, timestamps, engagement counts, and content'). This clearly distinguishes it from sibling tools like get_trending.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance on when to use this tool versus alternatives (e.g., get_trending). No mention of prerequisites or when not to use it.

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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Get Timeline

Input Schema

Output Schema

Schema Changelog

TDQS

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