What is the key difference between Affset and Calibre Web?

Affset belongs to the Developer Tools category with local stdio execution, while Calibre Web belongs to the Developer Tools category with local stdio execution.

How do I install Affset or Calibre Web 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 Affset and Calibre Web free or paid?

Affset operates under a Free / Open Source model (No auth required). Calibre Web operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Affset lists 29 tools with 1 views and 0 GitHub stars. Calibre Web lists 6 tools with 0 views and 0 GitHub stars.

Can I use both Affset and Calibre Web 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

Affset vs Calibre Web

In-depth architectural comparison of the Affset and Calibre Web 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

Affset

Developer Tools · Local stdio

Quality: 55/100 (Good) | Auth: No auth required

Calibre Web

Developer Tools · Local stdio

Quality: 52/100 (Good) | Auth: No auth required

Verdict Summary: Choose Affset if you need specialized Developer Tools tools running via a local process. Choose Calibre Web if your workspace requires Developer Tools integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Affset when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: whoami, get_stats, list_campaigns.

Explore Affset Details

Choose Calibre Web when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: search_books, list_books, list_shelves.

Explore Calibre Web Details

Feature & Specification Comparison

Specification	Affset Developer Tools	Calibre Web Developer Tools
Summary	Run affset from chat: stats, campaigns, zones, payouts, targeting, and team.	Read-only MCP server for Calibre-Web: library search, browsing and covers via the OPDS feed
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Affset Tools (29)

whoami

Show the tenant this server is bound to: namespace, API base, derived dashboard URL, and (when readable) company / timezone / custom API domain. Read-only.

get_stats

Traffic stats grouped by a dimension (date, campaign, zone, country, sub1–5, advertiser, publisher, …), optionally narrowed with `advertiser_email`/`publisher_email` filters (one user, any group_by). Returns clicks, conversions, CR, payout, media cost and ROI as a table. `paid_only` defaults to tru…

list_campaigns

List campaigns (status / name filter, pagination).

get_campaign

One campaign's full record — every field (untruncated offer URL, exact schedule, budgets/pacing, silent flag, payout goal type) plus its targeting rules and payout rules, in one call.

list_zones

List traffic-source zones (status / name filter, pagination, linked source).

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).

Affset Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "affset": {
      "command": "npx",
      "args": [
        "-y",
        "@affset/mcp"
      ]
    }
  }
}

Calibre Web Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "calibre-web": {
      "command": "npx",
      "args": [
        "-y",
        "calibreweb-mcp"
      ]
    }
  }
}

Frequently Asked Questions

Affset is categorized under Developer Tools and uses a local stdio subprocess. In contrast, Calibre Web belongs to Developer Tools using local stdio subprocess. Select Affset when you need capabilities focused on developer tools and Calibre Web when you require tools for developer tools.