ssrf-tester

ssrf-tester is an agent for Claude Code from skshadan/kage. It costs 44 tokens per session (630 once invoked), scanned A, original, no licence file.

An agent that tests for server-side request forgery, a security issue where a server can be tricked into making unwanted requests to another location.

In plain words
What is it for?
Use it after finding parameters such as url, redirect, proxy, image, callback, fetch, or webhook during application reconnaissance.
Why use it?
It helps check URL-accepting inputs for a common way attackers can make an application access internal or unintended services.

Agent for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Part of the kage plugin — 3 skills, 1 command, 18 agents shipped together

Good fit Use it after finding parameters such as url, redirect, proxy, image, callback, fetch, or webhook during application reconnaissance.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/skshadan/kage/ssrf-tester
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/skshadan/kage

Made for: Claude Code.

Or install kage, the plugin that ships this one along with the rest of its 3 skills, 1 command, 18 agents.

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.

agentmods badge for ssrf-tester

README.md
[![agentmods](https://agentmods.dev/badge/agents/skshadan/kage/ssrf-tester.svg)](https://agentmods.dev/agents/skshadan/kage/ssrf-tester)
Your own site
<a href="https://agentmods.dev/agents/skshadan/kage/ssrf-tester"><img src="https://agentmods.dev/badge/agents/skshadan/kage/ssrf-tester.svg" alt="Measured on agentmods" height="20"></a>
Per session 44 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 630 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00044 $0.00630
Opus 5 $0.00022 $0.00315
Sonnet 5 $0.00009 $0.00126
Haiku 4.5 $0.00004 $0.00063

Measured 6d ago against content hash ae1326c16c54, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

ssrf-tester scanned grade A with 1 finding 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 6d ago.

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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

never through host-side `curl`.
skills/kage/agents/ssrf-tester.md · 69 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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.

  1. 6d ago First seen · 69 lines · 44 tokens per session scan A ae1326c16c54

Subscribe to this mod's changes

ssrf-tester is an agent published in the GitHub repository skshadan/kage (1 stars, last pushed 2mo ago), with no licence file. It adds 44 tokens to every session and 630 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.