MCP server

Promptrejectormcp

io.github.revsmoke/promptrejectormcp

Checked 26 Oct 2026, 08:31 UTC · Still published on its registry; checked against OSV.dev; never run by us

Security gateway for AI agents: detects prompt injections, jailbreaks, and common vulnerabilities.

Runs on your computer

Source

At a glance

Type: MCP server
Publisher: Not verified
Status: Runs on your computer
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code
Last checked: 26 Oct 2026, 08:31 UTC

Connect it to your agent

Add to Cursor Add to VS Code VS Code Insiders

Opens the app, which shows the server and asks you to confirm. It then runs the package on your computer with your permissions. For other apps, copy the setup below.

Claude Code

claude mcp add promptrejectormcp --env YOUR_API_KEY=YOUR_VALUE -- npx -y prompt-rejector@1.0.1

Claude Desktop

{"mcpServers":{"promptrejectormcp":{"command":"npx","args":["-y","prompt-rejector@1.0.1"],"env":{"YOUR_API_KEY":"YOUR_VALUE"}}}}

Codex (config.toml)

[mcp_servers.promptrejectormcp]
command = "npx"
args = ["-y","prompt-rejector@1.0.1"]
env = { YOUR_API_KEY = "YOUR_VALUE" }

Gemini CLI

{"mcpServers":{"promptrejectormcp":{"command":"npx","args":["-y","prompt-rejector@1.0.1"],"env":{"YOUR_API_KEY":"YOUR_VALUE"}}}}

Cursor

{"mcpServers":{"promptrejectormcp":{"command":"npx","args":["-y","prompt-rejector@1.0.1"],"env":{"YOUR_API_KEY":"YOUR_VALUE"}}}}

VS Code

{"servers":{"promptrejectormcp":{"type":"stdio","command":"npx","args":["-y","prompt-rejector@1.0.1"],"env":{"YOUR_API_KEY":"YOUR_VALUE"}}}}

Runs on your computer with your permissions: check the package and its source before installing. Replace YOUR_VALUE with your own YOUR_API_KEY.

Browse

Related MCP servers

Gapup
271 agent-payable tools: competitive intel, finance, KYC, compliance, ESG. x402 per-call.
Brainiall NLP
Sentiment, toxicity, entity extraction, PII, translation, summary, QA, fraud scoring, safety audit.
IA-QA — 130+ QA & Dev Tools for AI Agents
130+ QA & dev tools for AI agents: prompt injection, RAG testing, VLM eval, guardrails. Free.
LLM Red-Team Scanner
LLM agent security review: live injection/jailbreak probes plus a static audit of missing guardrails
Zambo
The verifiable work layer for AI. Every run returns a verifiable receipt. No key needed.
FLOCORE Governed MCP
Governed MCP front door to FLOCORE; write calls need human approval and signed receipts.
Imperium MCP Security — Prompt-Injection, Jailbreak & Tool Poisoning Firewall
Real-time MCP & A2A prompt-injection, jailbreak, and tool-schema poisoning firewall for AI agents.
ScorpTech x402 API
112 x402 pay-per-call tools: web data, security/OSINT, SEC and public data, Solana/EVM lookups

Badge for your README

[![AptLynx](https://aptlynx.net/badge/io.github.revsmoke/promptrejectormcp.svg)](https://aptlynx.net/servers/io.github.revsmoke/promptrejectormcp)

Listing text is written by the maker; AptLynx lists tools and does not vouch for them. Find another tool · Browse by topic · For agents