MCP Servers · Communication

cameronrye/activitypub-mcp

Name: cameronrye/activitypub-mcp
Author: Various

A comprehensive Model Context Protocol (MCP) server that enables LLMs like Claude to explore and interact with the existing Fediverse through standardized MCP tools, resources, and

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Our verdict

Not reviewed yet

We have not reviewed cameronrye/activitypub-mcp yet

No one at Enterprise DNA has checked this listing against its sources. The description comes from public listings gathered automatically. Any fact below shows where it came from and when it was last checked.

How we review records

From the listing

About cameronrye/activitypub-mcp

A TypeScript MCP server that lets LLMs like Claude browse and interact with the Fediverse using standard MCP tools, resources, and prompts. It translates ActivityPub protocols into structured actions the model can call.

Best for

Developers building LLM agents that need to read or post to decentralized social networks

Use cases

Query public Fediverse posts and profiles through MCP tools
Automate social interactions like following or replying on Mastodon
Build AI agents that monitor or participate in decentralized social feeds

Notes

16 stars on GitHub. Last updated 2026-06-01. Licensed MIT.

Pros

Leverages the open ActivityPub protocol for broad Fediverse compatibility
Written in TypeScript with clear MCP integration for easy embedding
Small, focused codebase with 16 stars indicating active community interest

Cons

Limited to public data unless authentication is added
Relies on the MCP standard which may not be supported by all LLM frameworks
No built-in rate limiting or error handling for busy Fediverse instances

Key facts

What we have checked

Days since the last commit: 42; Checked 26 Oct 2026GitHub
GitHub forks: 5; Checked 26 Oct 2026GitHub
GitHub stars: 17; Checked 26 Oct 2026GitHub
Open issues: 0; Checked 26 Oct 2026GitHub
Releases in the last 90 days: 0; Checked 26 Oct 2026GitHub

Each value shows when we last confirmed it and where it came from. Values we have not confirmed are left out, never guessed.

How to use

How to set it up

As the listing publishes it. We have not run this install.

Install

npx -y activitypub-mcp

Tools exposed

discover-actor
fetch-timeline
get-post-thread
get-instance-info
get-public-timeline
get-trending-hashtags
get-trending-posts
search
discover-instances
list-accounts
switch-account
verify-account
get-home-timeline
get-notifications
get-bookmarks
get-favourites
get-relationship
post
reply
delete

Clients the listing names (not checked here)

Claude Desktop, Cursor, VS Code

Example client config

{
  "mcpServers": {
    "activitypub": {
      "command": "npx",
      "args": [
        "-y",
        "activitypub-mcp"
      ],
      "env": {
        "ACTIVITYPUB_ENABLE_WRITES": "true"
      }
    }
  }
}

Install

Add cameronrye/activitypub-mcp to your client

Not verified yet

Our lab has not run this server yet. "Config checked" on a client means the recipe matches that client's documented config format; it does not mean we ran it.

Claude Code

Config checked

Run in your terminal (runs on your computer)

claude mcp add --transport stdio cameronrye-activitypub-mcp -- npx -y activitypub-mcp@3.2.1

Version 3.2.1 · From the Official MCP registry, read 24 Oct 2026 · Format checked against Claude Code's config docs

Claude Desktop

Config checked

Add to claude_desktop_config.json (runs on your computer)

{
  "mcpServers": {
    "cameronrye-activitypub-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "activitypub-mcp@3.2.1"
      ]
    }
  }
}

Version 3.2.1 · From the Official MCP registry, read 24 Oct 2026 · Format checked against Claude Desktop's config docs

Cursor

Config checked

Add to .cursor/mcp.json (runs on your computer)

{
  "mcpServers": {
    "cameronrye-activitypub-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "activitypub-mcp@3.2.1"
      ]
    }
  }
}

Version 3.2.1 · From the Official MCP registry, read 24 Oct 2026 · Format checked against Cursor's config docs

VS Code

Config checked

Add to .vscode/mcp.json (runs on your computer)

{
  "servers": {
    "cameronrye-activitypub-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "activitypub-mcp@3.2.1"
      ]
    }
  }
}

Version 3.2.1 · From the Official MCP registry, read 24 Oct 2026 · Format checked against VS Code's config docs

Codex

Config checked

Add to ~/.codex/config.toml (runs on your computer)

[mcp_servers.cameronrye-activitypub-mcp]
command = "npx"
args = ["-y", "activitypub-mcp@3.2.1"]

Version 3.2.1 · From the Official MCP registry, read 24 Oct 2026 · Format checked against Codex's config docs

ChatGPT: ChatGPT connects only to remote servers that need no API key.

Recipes come from the server's entry in the official MCP registry. Check the package name before you run it, and keep keys out of shared files.

Works with

What cameronrye/activitypub-mcp connects to

5 clients, each with how we know and when we checked.

Works with	Type	How we know	Checked
Claude Code	Client	Install recipe matches the client's documented formatRuns locally, version 3.2.1Config checked	24 Oct 2026Claude Code docs
Claude Desktop	Client	Install recipe matches the client's documented formatRuns locally, version 3.2.1Config checked	24 Oct 2026Claude Desktop docs
Cursor	Client	Install recipe matches the client's documented formatRuns locally, version 3.2.1Config checked	24 Oct 2026Cursor docs
VS Code	Client	Install recipe matches the client's documented formatRuns locally, version 3.2.1Config checked	24 Oct 2026VS Code docs
Codex	Client	Install recipe matches the client's documented formatRuns locally, version 3.2.1Config checked	24 Oct 2026Codex docs

Health and security

Is cameronrye/activitypub-mcp looked after, and what do its setup files show

Health score

36 out of 100

Does someone look after this repository? It does not say the code is good or safe. Worked out from GitHub signals checked 26 Oct 2026. How it is worked out

Part	Points	What we saw
Recent activity	28.9 of 30	Last push 42 days ago
Releases	0 of 15	0 releases in 90 days
Issue replies	Not counted	The latest check has no issue response reading (fewer than 3 measured issues, or issues switched off)
Maintainer	0 of 15	Owned by a single user
Official source	0 of 20	Community server

Sources

Where this comes from

GitHubRegistry
Checked 26 Oct 2026 · Days since the last commit, GitHub forks, GitHub stars, Open issues, Releases in the last 90 days

A source shows what was published when we checked it. It does not certify security, performance or a working installation. Read our method.

Changelog

What changed

No changes recorded yet. Releases, price changes and deprecations appear here, with their dates, once we track them for this record.

Pairs with

Other entries in the index that connect to this one. Click through to see the chain.

Built with1 entry

MMCPlowCatalogue

FastMCP

Various

🚀 The fast, Pythonic way to build MCP servers and clients.

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