Skill Claude CodeCodex
Behavioral guidelines to reduce common LLM coding mistakes. Use when writing, reviewing, or refactoring code to avoid overcomplication, make surgical changes, surface assumptions, and define verifiable success criteria.
Skill Claude CodeCodex
The security contract for this server — SSRF, DNS rebinding, redirect, and encoding defenses with the full threat matrix and checklist. Use whenever touching URL handling, DNS resolution, the HTTP client, redirects, or the security/ module.
Skill Claude CodeCodex
How to test and validate this MCP server — unit tests for every SSRF threat, MCP Inspector checks, and external scanner validation. Use when writing tests, before shipping, or when verifying security correctness.
Skill Claude CodeCodex
Best practices for writing MCP server tools in TypeScript (current SDK). Use when adding or editing a tool, its schema, description, annotations, error handling, or response format in this repo.
Instructions file
Claude Code instructions for Sanoy24/safe-fetch-mcp-server, covering claude.md — safe-fetch-mcp-server, what this project is, the one rule that matters most, non-negotiable security invariants and architecture.
MCP server Claude CodeCodexCursor
MCP server for fetching URLs, safe against SSRF, DNS rebinding, and redirect-to-internal attacks. Runs locally from the safe-fetch-mcp-server npm package.