A data connector for Global Fishing Watch, a service that tracks fishing vessels and maritime activity. It searches vessels and events, and calculates activity inside protected or regulated sea areas.

It helps investigate vessel movements, fishing activity, port visits, and encounters, including activity inside MPAs, EEZs, and RFMOs.

It removes the need to gather and calculate these maritime records manually. It provides event statistics for defined sea areas.

gfw-mcp — Plugin for Gemini CLI by GlobalFishingWatch/gfw-mcp-js

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo

git clone --depth 1 https://github.com/GlobalFishingWatch/gfw-mcp-js

Made for: Gemini CLI.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/plugins/globalfishingwatch/gfw-mcp-js/gemini-extension/github.svg)](https://agentmods.dev/plugins/globalfishingwatch/gfw-mcp-js/gemini-extension)

Your own site

<a href="https://agentmods.dev/plugins/globalfishingwatch/gfw-mcp-js/gemini-extension"><img src="https://agentmods.dev/badge/plugins/globalfishingwatch/gfw-mcp-js/gemini-extension/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/plugins/globalfishingwatch/gfw-mcp-js/gemini-extension"><img src="https://agentmods.dev/badge/plugins/globalfishingwatch/gfw-mcp-js/gemini-extension.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session not measured What this adds to a session before it is invoked.

When invoked not measured Not applicable: nothing here is loaded into a session.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin unknown No closer match found in the catalogue.

Security

Grade A, and why

gfw-mcp scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured today.

The scan reads gemini-extension.json. This mod also ships 1 executable file (scripts/screenshot_gfw.js), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

gemini-extension.json · 16 lines

The source is not reproduced here

No licence file

Read it on GitHub

Files

What ships with it

1 file beside gemini-extension.json in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

scripts/screenshot_gfw.js 1.9 KB runs code

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

today First seen · 16 lines scan A 26febc2bd138

Subscribe to this mod's changes

gfw-mcp is a plugin published in the GitHub repository GlobalFishingWatch/gfw-mcp-js (1 stars, last pushed yesterday), with no licence file. Its token cost is not measured: this kind of file is read by the harness, not the model. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-15.

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