Activitypub MCP Server
by cameronryeio.github.cameronrye/activitypub-mcpv3.2.1
Explore and interact with the Fediverse via ActivityPub: WebFinger discovery, timelines and instance exploration across Mastodon, Pleroma, Misskey and more.
context tax
queued
security
queued
cold start
queued
freshness
Slowing4mo ago
Install Activitypub MCP server
Install in Claude Code
claude mcp add activitypub -- npx -y activitypub-mcpInstall in Cursor
{
"mcpServers": {
"activitypub": {
"command": "npx",
"args": [
"-y",
"activitypub-mcp"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"activitypub": {
"command": "npx",
"args": [
"-y",
"activitypub-mcp"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"activitypub": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"activitypub-mcp"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"activitypub": {
"command": "npx",
"args": [
"-y",
"activitypub-mcp"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| ACTIVITYPUB_ENABLE_WRITES | — | — | Enable write/mutation tools (post, reply, follow, boost, block). Off by default: read-only unless set to 'true'. See SECURITY.md. |
| LOG_LEVEL | — | — | Logging verbosity: debug, info, warn, or error. |
Freshness
Slowing — last maintenance signal 4mo ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-06-22 · 4mo ago · GitHub
Latest release
2026-06-22 · 4mo ago · GitHub · v3.2.1
Package published
no data · npm/PyPI
Registry entry updated
2026-06-22 · 4mo ago · official registry · v3.2.1
FAQ
›How do I install the Activitypub MCP server in Claude Code?
Run: claude mcp add activitypub -- npx -y activitypub-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Activitypub require an API key?
No required environment variables are declared in its published metadata.
›Can I use Activitypub as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Activitypub in the official MCP registry?
Yes, as io.github.cameronrye/activitypub-mcp.
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