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Security scanner for MCP servers — flags tool poisoning, prompt injection, tool drift, over-broad scope, and context-cost runaway across 12 checks. Run as npx toolfence <url>, CI-ready exit codes.
toolfence is an MCP server entry in ChatHome Skills, sourced from GitHub MCP Search and scored 40/100. Security scanner for MCP servers — flags tool poisoning, prompt injection, tool drift, over-broad scope, and context-cost runaway across 12 checks. Run as npx t. As a Model Context Protocol server, it exposes tools that MCP-compatible LLM clients such as Claude, Cursor, and Copilot can call directly, extending an agent's reach beyond its built-in capabilities. ChatHome Skills discovered this entry through its daily ingest of official registries and GitHub discovery queries, and re-verifies repository facts, freshness signals, and install metadata on every run. The quality score weighs official-registry presence, a working install command, license clarity, GitHub star trajectory, and repository freshness — the full formula is on the Sources page. The install command above is ready to copy. Review the last-pushed date and repository status before adding toolfence to a production agent workflow; the snapshot facts below are point-in-time values from the most recent ingest.
git clone https://github.com/nikolas-sapa/toolfence.gitReview the upstream source before running this command.
Contains language that tries to override an agent's prior instructions (prompt injection).
ignore prior instructionsDispute this flag?Scan coverage: Install metadata and repository README.
Automated signals from install metadata and a bounded skill body — not a full code security audit and not a recursive source or dependency review.
{
"fullName": "nikolas-sapa/toolfence"
}Security scanner for MCP servers — flags tool poisoning, prompt injection, tool drift, over-broad scope, and context-cost runaway across 12 checks. Run as npx toolfence <url>, CI-ready exit codes.