massive

Massive — Claude plugin

Web tools for Claude — research, geo-targeted search, bulk extraction, and SERP analysis powered by @joinmassive/mcp-server. Available for Claude Code (via marketplace) and Claude Cowork (via downloadable plugin zip).

What you get

After installing this plugin, you have:

• Four skills, each invocable explicitly with /massive:<name> and (for the first three) auto-activating when the user's prompt matches:
  • /massive:research <topic> — research a topic with citations, optionally geo/locale-targeted.
  • /massive:fetch <url> [...] — bulk-fetch URLs as markdown.
  • /massive:serp <query> — SERP analysis (AI Overview / Organic / People-Also-Asked).
  • /massive:credits — check your account balance (explicit-only, no auto-activation).
• One agent — massive-researcher — for parallel web_fetch in an isolated context.
• Four MCP tools (from @joinmassive/mcp-server): web_search, web_fetch, ai_chat_completion, account_status.

Install

Claude Code (marketplace)

/plugin marketplace add joinmassive/ai-toolkit
/plugin install massive@joinmassive

When you enable the plugin, Claude Code prompts you for your Massive API token and stores it in your OS keychain. Get a token at https://dashboard.joinmassive.com/developer/api-keys. To change the token later, reconfigure the plugin via /plugin.

Claude Cowork (plugin zip)

Download massive-plugin-<version>.zip from https://github.com/joinmassive/ai-toolkit/releases and install it via Claude Cowork's plugin upload flow. The archive root is the plugin root: .claude-plugin/plugin.json plus skills/, agents/, .mcp.json. Configure your Massive API token through Claude Cowork's plugin settings.

Verify

After install, in any Claude session:

/massive:credits

If you see your balance, you're good.

How activation works

Skills are description-driven. Claude reads each skill's description and decides when to use it. Examples of auto-activation:

• "research the latest on quantum networking" → /massive:research
• "what does the Spanish-language web say about Lionel Messi" → /massive:research with language=es
• "fetch these three URLs as markdown: a, b, c" → /massive:fetch
• "what is Google showing for react server components" → /massive:serp

You can also invoke each skill explicitly with the slash command. /massive:credits is explicit-only — Claude will not auto-invoke it.

Cost

The plugin is free; the underlying API costs credits per call:

• web_search: 1 credit
• web_fetch: 1 credit
• ai_chat_completion: 1 credit
• account_status: free

Pricing details: https://joinmassive.com/pricing.

Troubleshooting

• Token errors (403) — your API token may be invalid or expired. Reconfigure the plugin via /plugin to set a fresh token.
• Tools don't appear in /help — restart Claude Code. The plugin is loaded at session start.

Contributing

See CONTRIBUTING.md for adding skills, agents, and commands.

License

MIT — see LICENSE.