Read-only-by-default MCP server: let LLMs explore the Fediverse — Mastodon, Misskey, Pleroma.
Connect Runs on your machine
claude mcp add activitypub-mcp -e ACTIVITYPUB_ENABLE_WRITES=<ACTIVITYPUB_ENABLE_WRITES> -e LOG_LEVEL=<LOG_LEVEL> -- npx -y [email protected]{
"mcpServers": {
"activitypub-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"ACTIVITYPUB_ENABLE_WRITES": "<ACTIVITYPUB_ENABLE_WRITES>",
"LOG_LEVEL": "<LOG_LEVEL>"
}
}
}
}{
"mcpServers": {
"activitypub-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"ACTIVITYPUB_ENABLE_WRITES": "<ACTIVITYPUB_ENABLE_WRITES>",
"LOG_LEVEL": "<LOG_LEVEL>"
}
}
}
}{
"servers": {
"activitypub-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"ACTIVITYPUB_ENABLE_WRITES": "<ACTIVITYPUB_ENABLE_WRITES>",
"LOG_LEVEL": "<LOG_LEVEL>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
ACTIVITYPUB_ENABLE_WRITESOptional | Enable write/mutation tools (post, reply, follow, boost, block). Off by default: read-only unless set to 'true'. See SECURITY.md. |
LOG_LEVELOptional | Logging verbosity: debug, info, warn, or error. |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 22 Jun 2026 |
| Last updated | 22 Jun 2026 |
| Registry name | io.github.cameronrye/activitypub-mcp |
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