MCP Servers

🎖️ - Human-in-the-loop approval inbox for AI agents. An agent submits a proposed action (send email, post comment, run a command) via impripushaction, a human approves, rejects, or edits it from a web, mobile, or Slack/Discord/Telegram inbox, and the agent only proceeds on an approved decision. The gate is a data dependency, not a prompt. Full audit trail, self-hostable (MIT, Docker Compose). npx @impri/mcp

Policy-as-code gate for MCP. A fail-closed proxy that denies risky tool calls before they run, produces offline-verifiable evidence bundles of what executed, and enforces IPv4/TCP egress in-kernel via eBPF/LSM and Landlock on Linux. Deterministic and offline-first.

Static security scanner and MCP server for MCP servers and AI agent tools. Detects secrets, shell execution, risky tool descriptions, environment access, and prompt-injection phrases. mcp-shield-server

Administer Keycloak through its Admin REST API — users, roles, clients, groups, identity providers, federation and events. Safe by default: read-only mode, realm allow-list, and confirmation for destructive actions. npx -y mcp-keycloak-admin

Microsoft Patch Tuesday triage from the official MSRC Security Update Guide. Monthly rollups, CVE/KB lookups, supersedence chains, product watchlists, and urgency-ranked results enriched with EPSS scores and the CISA KEV catalog. No API keys; also available as a free hosted remote endpoint. uvx patch-tuesday-mcp

AI-native HTTP security testing toolkit: 17 tools (send, intruder, race, chain, oob) with low-level control over HTTP/1.1 + HTTP/2 (raw framing, connection pinning).

Cryptographic receipts for AI outputs: notarize any model inference with a signed Ed25519 attestation, sha256 content hash, and Merkle chain-anchor on Base or Solana. $0.001 per call via x402 USDC micropayments; verification is free and needs no wallet. Notarizes the hash, never your prompts. npx -y @forgemeshlabs/x402-notary-mcp

Local-only GitHub Actions and CI maintenance scanner for AI-built apps. Exposes scanrepo, explainfinding, and generatefixplan to MCP clients; reads only allowlisted workflow and update configuration, modifies nothing, makes no outbound requests by default, and has zero runtime dependencies. Run with npx -y taskbounty-check@0.1.6 mcp.

55 tools for verified public data lookups — CVE/SBOM security audits, licence compliance, patents, federal contracts, NPI provider lookups, nonprofit 990 filings, and domain intelligence. No API key required.

Free remote MCP for Core Web Vitals metrics by CMS, CDN, and framework (Chrome field data + multi-site crawl). No auth. Endpoint: https://www.corewebvitals.io/api/state-of-cwv/mcp.

🎖️ - MINT Protocol — universal work attestation for autonomous agents. Cryptographically attest, verify, rate, and discover agent work to build portable, on-chain trust and reputation across the agent economy. 6 tools.

Points an AI agent at a live URL and confirms publicly-served secret files by fetching the bytes — exposed .git, .env, JS source maps, backup/SQL dumps, directory listing, and dotfiles. Zero dependencies, read-only.

Pre-action risk gate for AI agents. One forecast tool the agent calls before any irreversible action (send money, run SQL, delete data); returns a risk score (0–100), reversibility class, named red flags from 28 failure modes, and a gate: proceed / confirm / human-required.

Local guardrail proxy for AI coding agents. Wraps any MCP server (stdio or Streamable HTTP) and blocks destructive tool calls — DROP TABLE, rm -rf, force-push — before they execute. MCP supply-chain protection: TOFU tool-catalog pinning against rug pulls, plus tool-description and tool-result scanning for tool poisoning and prompt injection. 51 starter rules, approval gates, audit logging. Single binary, Apache-2.0.

Verify a photo's capture time and provenance before an agent trusts it: cryptographic C2PA Content Credentials validation against the official trust lists, EXIF and XMP consistency checks, and classical pixel forensics fused into one typed verdict with a 0 to 100 confidence. Free keyless tier, opt-in shareable verdict permalinks, and key-gated signed PDF audit reports. Provenance validation, not a deepfake detector. npx chronoverify-mcp

🎖️ - Agent identity, scoped delegation, and governance: issue passports, build and verify narrowing-only delegation chains, enforce policy at a gateway, and emit signed admission and outcome records. 150 tools. npx -y agent-passport-system-mcp

Local-first MCP gateway for coding agents that redacts detected secrets from file reads and command output before they reach model context.

🎖️ - ARGUS-3 as a stdio MCP server (argus mcp → argusask, argusstatus). WARDEN vets third-party MCP servers before any tool runs (LUMEN-scored firewall, tool-def pinning, drift sentinel). Distinct from aimarket-oracle-gateway (oracle tools) and aimarket-plugins (hub packager). npm @alexar76/argus3 · live.

Verifiable oracle MCP server: Platon VRF (getrandom), Chronos VDF (computevdf / verifyvdf), LUMEN reputation (getreputationscores) as agent tools. Pay-per-call over AIMarket Hub; every result independently verifiable. stdio · Python · Glama.

🎖️ - SSRF-hardened web gateway MCP — webfetch, websearch, metisverify; one audited security core for Metis, ARGUS, and the ecosystem. stdio + optional HTTP · Python · Glama · Registry io.github.alexar76/aimarket-mcp.

Rust infrastructure diagnostics MCP server for AI agents: DNS checks, TLS certificate chain inspection, email security, global DNS propagation, and DNS latency benchmarking.

🎖️ - Compliance and identity for AI agents — verify an agent's certificate scope, read its behavioral risk score, and append to an immutable audit trail. X.509 identity issued via AWS KMS; MiCA / EU AI Act aligned. npx -y @kakunin/mcp

Domain security reconnaissance for AI agents. 13 tools — DNS + DNSSEC, SSL/TLS chain & grade, HTTP security headers, SPF/DKIM/DMARC email auth, TCP port scan, ASN, RDAP/WHOIS — plus a one-shot securityscan returning a 0-100 Health Score (A–F). Free, no API key. npx -y dechonet-mcp

56 deterministic fact-checkers in one server (IBAN, VAT, VIN, GTIN/barcodes, national & tax IDs, crypto addresses, phone, dates, holidays) — verify the structured facts an agent emits against checksums and curated data.