cameronrye/activitypub-mcp

v3.2.0 Breaking

This release includes breaking changes for platform teams planning a safe upgrade.

Published 1mo MCP Data & Storage

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✓ No known CVEs patched

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✓ No known CVEs patched in this version

Topics

activitypub fedify fediverse mcp mcp-server webfinger

Summary

AI summary

Structured tool results and Smithery listing improvements were added.

Full changelog

[3.2.0] - 2026-06-16

Structured tool output and Smithery listing improvements. No breaking changes —
tool names and the human-readable text responses are unchanged; structured output
is purely additive.

Added

Structured tool results — every read/default tool now declares an
outputSchema and returns structuredContent alongside the existing text, so
MCP clients can type-check responses. The prose content[0].text is byte-for-byte
unchanged for back-compat.
Smithery listing — homepage ownership verification (a smithery-verification
meta tag in the docs site, since github.io cannot host DNS TXT records) and a
backlink to the Smithery server page from the README badges and homepage footer.

Changed

.mcpb release pipeline — the bundle manifest now embeds the live tool
schemas (name/description/inputSchema/outputSchema), captured from the running
server and packaged via a plain zip (mcpb pack strips these keys). This is the
metadata Smithery's capability score reads. The bundle still ships its production
node_modules so it runs standalone.

Fixed

get-relationship — the accountIds rejection-guard parameter now carries a
description, completing parameter-description coverage across all tools.

View diff on GitHub

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About cameronrye/activitypub-mcp

A comprehensive MCP server that enables LLMs to explore and interact with the Fediverse through ActivityPub protocol. Features WebFinger discovery, timeline fetching, instance exploration, and cross-platform support for Mastodon, Pleroma, Misskey, and other ActivityPub servers.

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Related context

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Earlier breaking changes

v2.1.0 `activitypub://instance-info/{domain}` `software` field now an object instead of a string.
v2.1.0 Removed `activitypub://post-thread/{postUrl}` URI form; use `{domain}/{statusId}` instead.
v2.0.0 'get-relationship' no longer accepts legacy `accountIds` array; requires single `acct` string.
v2.0.0 `MCP_HTTP_CORS_ORIGINS` no longer defaults to '*'; must be set explicitly.
v2.0.0 `scheduledId` renamed to `scheduledPostId` in scheduling tools.