What is the key difference between Activitypub MCP and Search1api MCP?

Activitypub MCP belongs to the Search & Data Extraction category with local stdio execution, while Search1api MCP belongs to the Search & Data Extraction category with local stdio execution.

How do I install Activitypub MCP or Search1api MCP in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Activitypub MCP and Search1api MCP free or paid?

Activitypub MCP operates under a Free / Open Source model (API Key required). Search1api MCP operates under a Paid Service model (API Key required).

Which MCP server has more tools and community activity?

Activitypub MCP lists 18 tools with 2 views and 17 GitHub stars. Search1api MCP lists 5 tools with 1 views and 174 GitHub stars.

Can I use both Activitypub MCP and Search1api MCP together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Activitypub MCP vs Search1api MCP

In-depth architectural comparison of the Activitypub MCP and Search1api MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Activitypub MCP

Search & Data Extraction · Local stdio

Quality: 65/100 (Great) | Auth: API Key required

Search1api MCP

Search & Data Extraction · Local stdio

Quality: 61/100 (Good) | Auth: API Key required

Verdict Summary: Choose Activitypub MCP if you need specialized Search & Data Extraction tools running via a local process. Choose Search1api MCP if your workspace requires Search & Data Extraction integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Activitypub MCP when:

You need dedicated capabilities in the Search & Data Extraction domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Free / Open Source).
You have access to required keys: ACTIVITYPUB_ENABLE_WRITES, ACTIVITYPUB_DEFAULT_INSTANCE, ACTIVITYPUB_DEFAULT_TOKEN.
Primary tools included: discover-actor, discover-instances, fetch-timeline.

Explore Activitypub MCP Details

Choose Search1api MCP when:

You need dedicated capabilities in the Search & Data Extraction domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Paid Service).
You have access to required keys: SEARCH1API_KEY, MCP_ALLOWED_HOSTS, MCP_ALLOWED_ORIGINS.

Feature & Specification Comparison

Specification	Activitypub MCP cameronrye Search & Data Extraction	Search1api MCP fatwang2 Search & Data Extraction
Summary	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.	Search via search1api (requires paid API key)
Category & Scope

Tools & Capabilities Breakdown

Activitypub MCP Tools (18)

discover-actor

Find and retrieve the profile of any fediverse user or account (called an 'actor' in ActivityPub). Returns display name, bio, follower/following URLs, and inbox/outbox endpoints. Pass a handle like '@alice@mastodon.social' or 'alice@mastodon.social'.

discover-instances

Discover fediverse instances in real-time using the instances.social API with advanced filtering

fetch-timeline

Fetch recent posts (the outbox) from any fediverse actor — a user or account — with cursor- and ID-based pagination. Pass a handle like 'alice@mastodon.social'.

get-post-thread

Fetch a post and its full conversation thread including replies and parent posts

Unified search across the fediverse - find accounts, posts, or hashtags on any instance

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Activitypub MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "cameronrye-activitypub-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "activitypub-mcp"
      ],
      "env": {
        "ACTIVITYPUB_ENABLE_WRITES": "YOUR_ACTIVITYPUB_ENABLE_WRITES_HERE",
        "ACTIVITYPUB_DEFAULT_INSTANCE": "YOUR_ACTIVITYPUB_DEFAULT_INSTANCE_HERE",
        "ACTIVITYPUB_DEFAULT_TOKEN": "YOUR_ACTIVITYPUB_DEFAULT_TOKEN_HERE"
      }
    }
  }
}

Search1api MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "fatwang2-search1api-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "search1api-mcp"
      ],
      "env": {
        "SEARCH1API_KEY": "YOUR_SEARCH1API_KEY_HERE",
        "MCP_ALLOWED_HOSTS": "YOUR_MCP_ALLOWED_HOSTS_HERE",
        "MCP_ALLOWED_ORIGINS": "YOUR_MCP_ALLOWED_ORIGINS_HERE"
      }
    }
  }
}

Frequently Asked Questions

Activitypub MCP is categorized under Search & Data Extraction and uses a local stdio subprocess. In contrast, Search1api MCP belongs to Search & Data Extraction using local stdio subprocess. Select Activitypub MCP when you need capabilities focused on search & data extraction and Search1api MCP when you require tools for search & data extraction.

More alternatives to Activitypub MCP More alternatives to Search1api MCP Search & Data Extraction category hub