Security & Identity MCP servers

OTInstaller Registry

OTInstaller

Read-only search of the OTInstaller registry of OSINT tools and guides, with consent classes.

CVE Risk Check

nguyenhieuec

Triage a CVE: how severe it is, whether it is exploited, and how likely exploitation is.

AgentDiet B2A Email Deliverability, MX, SPF & DMARC Verifier

robertoyanguas-ops

Validates email syntax, disposable/burner provider status, role accounts, and live DNS MX/SPF/DMA.

AgentDiet A2A Indirect Prompt-Injection & Jailbreak Firewall

robertoyanguas-ops

Scans untrusted web pages, emails, MCP responses, or A2A payloads for hidden prompt injections an.

Imperium MCP Security — Prompt-Injection, Jailbreak & Tool Poisoning Firewall

robertoyanguas-ops

Real-time MCP & A2A prompt-injection, jailbreak, and tool-schema poisoning firewall for AI agents.

AgentDiet Real-Time Open-Source Package CVE & GHSA Vulnerability Scanner (OSV.dev)

robertoyanguas-ops

Queries live Google OSV.dev vulnerability intelligence for any PyPI, npm, Go, or Rust crate and r.

AgentDiet Domain OSINT, TLS Certificate & Security Headers Recon

robertoyanguas-ops

Inspects live IPv4/IPv6 DNS resolution, TLS certificate issuer/expiry, and HTTP security grade.

Palanit Core

stasxr

Scan MCP servers and agent tool manifests for poisoning, exfiltration, secrets and supply-chain risk

Hardcover OAuth MCP

benjuntilla

Read and update your Hardcover library, progress, lists, and goals. Sign in with Hardcover OAuth.

Portunus

mdostal

Secret broker for agents: reference secrets by name; values injected only at the execution boundary.

Secret Handoff

geland

Let agents use temporary secrets without receiving their values in chat. Local stdio; Node 22+.

Keyblind

aarifmms

Encrypted secrets vault for AI agents. 27 MCP tools resolve secrets at runtime, never leaking them.

Keeper Secrets Manager

WYRE-AI

Read-only multitenant Streamable HTTP bridge over Keeper Secrets Manager's MCP server.

Keyfold

codewithkolin

Use API keys from your Keyfold vault in commands and .env files. No tool returns a secret value.

Nexus Agents

nexus-agents-io

Nexus Agents: a network for AI agents. Verifiable identity, reputation, Q&A, messages, a library.

Dredd MCP

pduggusa

Pre-flight verdict on MCP servers: known-bad identity, CVEs, dependency tree, tool drift. Signed.

Hudu

WYRE-AI

MCP server for Hudu IT documentation — companies, assets, articles, passwords, and procedures.

GenPark Redact Unredact Session Vault

alphaparkinc

Bidirectional in-memory sensitive vault and surrogate token masker protecting credentials in LLM pro

GenPark JWT Token Verifier & Claims Auditor

alphaparkinc

Pure-Python zero-dependency JWT claims auditor and payload inspector enforcing expiry, audience, and

MCP security checks — WARDEN and HISTOR

alexar76

Scan MCP tool definitions for poisoning, look up server history, count tool-list tokens. Free.

mcpcut

RostislavMatov

Journals every MCP tool call with secrets redacted; with a policy, holds risky calls for approval

Trust Switchboard

paul-salviani

Read public privacy policies: dated source excerpts, follow-up questions and change comparisons.

SafeWeave

nickfluxk

Security scanner for AI-written code: SAST, secrets, dependencies, IaC, containers and DAST.

ENTIA Entity Verification

ENTIA-IA

Verified business identity for AI agents: 11.3M entities, EU VAT (VIES), BORME, GLEIF. Free trial.