About Promptguard MCP
Promptguard MCP is an MCP server in the Blockchain category: local-first MCP server that scans developer prompts for secrets, PII and token cost before they reach the LLM. TypeScript, with VS Code and browser extensions.
Install
git clone https://github.com/KrishOjha1810/promptguard-mcpThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (4)
compress_promptAggressive token reduction at `light`, `medium`, or `aggressive` levels. Preserves code blocks.
Parameters not published.
estimate_costToken count and dollar estimate for a given `model`, with an optional `expectedOutputTokens` override.
Parameters not published.
optimize_promptSuggests a tightened rewrite and flags missing structure. Stays silent on already-good prompts.
Parameters not published.
scan_promptDetects secrets and PII. Returns findings with location, severity, and explanation, plus an optional redacted version (`mode: "warn"` or `"redact"`).
Parameters not published.
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