get_subreddit_new_posts

Retrieve recent posts from any Reddit community by specifying the subreddit name and desired post count.

Instructions

Get new posts from a specific subreddit

Input Schema

TableJSON Schema

Name	Required	Description	Default
`subreddit_name`	Yes	Name of the subreddit (e.g. 'Python', 'news')
`limit`	No	Number of posts to return (default: 10)

Implementation Reference

src/mcp_server_reddit/server.py:152-157 (handler)

The handler function that fetches the newest posts from the specified subreddit using the redditwarp client. It iterates over new posts, builds Post model instances using the _build_post helper, and returns a list of Post objects.

def get_subreddit_new_posts(self, subreddit_name: str, limit: int = 10) -> list[Post]:
    """Get new posts from a specific subreddit"""
    posts = []
    for subm in self.client.p.subreddit.pull.new(subreddit_name, limit):
        posts.append(self._build_post(subm))
    return posts

src/mcp_server_reddit/server.py:36-47 (schema)
Pydantic model defining the structure of a Post returned by the tool, including fields like id, title, author, score, subreddit, url, timestamp, comment count, post type, and content.
```
class Post(BaseModel):
    id: str
    title: str
    author: str
    score: int
    subreddit: str
    url: str
    created_at: str
    comment_count: int
    post_type: PostType
    content: str | None
```

src/mcp_server_reddit/server.py:256-271 (schema)

JSON schema defining the tool's input parameters: subreddit_name (required string) and optional limit (integer 1-100, default 10). Used for MCP tool validation.

inputSchema={
    "type": "object",
    "properties": {
        "subreddit_name": {
            "type": "string",
            "description": "Name of the subreddit (e.g. 'Python', 'news')",
        },
        "limit": {
            "type": "integer",
            "description": "Number of posts to return (default: 10)",
            "default": 10,
            "minimum": 1,
            "maximum": 100
        }
    },
    "required": ["subreddit_name"]

src/mcp_server_reddit/server.py:253-273 (registration)

Registers the tool with MCP server via list_tools(), specifying name, description, and input schema.

Tool(
    name=RedditTools.GET_SUBREDDIT_NEW_POSTS.value,
    description="Get new posts from a specific subreddit",
    inputSchema={
        "type": "object",
        "properties": {
            "subreddit_name": {
                "type": "string",
                "description": "Name of the subreddit (e.g. 'Python', 'news')",
            },
            "limit": {
                "type": "integer",
                "description": "Number of posts to return (default: 10)",
                "default": 10,
                "minimum": 1,
                "maximum": 100
            }
        },
        "required": ["subreddit_name"]
    }
),

src/mcp_server_reddit/server.py:397-402 (registration)

Dispatches tool calls in the call_tool handler by matching the tool name and invoking the corresponding RedditServer method with parsed arguments.

case RedditTools.GET_SUBREDDIT_NEW_POSTS.value:
    subreddit_name = arguments.get("subreddit_name")
    if not subreddit_name:
        raise ValueError("Missing required argument: subreddit_name")
    limit = arguments.get("limit", 10)
    result = reddit_server.get_subreddit_new_posts(subreddit_name, limit)

src/mcp_server_reddit/server.py:94-107 (helper)

Helper function used by the handler to construct Post models from raw redditwarp submission objects, calling other helpers for post_type and content.

def _build_post(self, submission) -> Post:
    """Helper method to build Post object from submission"""
    return Post(
        id=submission.id36,
        title=submission.title,
        author=submission.author_display_name or '[deleted]',
        score=submission.score,
        subreddit=submission.subreddit.name,
        url=submission.permalink,
        created_at=submission.created_at.astimezone().isoformat(),
        comment_count=submission.comment_count,
        post_type=self._get_post_type(submission),
        content=self._get_post_content(submission)
    )

MCP Server Reddit