Security

TunnelMind/scry-mcp

MCP server Claude CodeCodexCursor +2

Free IPv4 lookups against a distributed attacker-observation corpus. Remote server at mcp.tunnelmind.ai.

vanticlabs/vantic

MCP server Claude CodeCodexCursor +2

Verify an AI agent's payment authority: signed mandates, allowlists, and tamper-proof receipts. Runs locally from the @vantic/sdk npm package.

webhook-co/webhook

Skill Codex

Diagnose why an inbound webhook signature fails to verify, and write correct verification code for a named provider. Use when a signature check rejects real traffic, when a webhook works in a provider's test console but not against your server, or when you are implementing verification for Stripe, GitHub, Shopify…

TheSchreckMethod/aleeth-authority-mcp-interface

MCP server Claude CodeCodexCursor +2

The first MCP governed by ICA. Every action is gated and sealed with a verifiable receipt. Remote server at mcp.aleeth.com.

bluetieroperations-create/blackwall-mcp

MCP server Claude CodeCodexCursor +2

API-key pre-action risk gate: any irreversible agent action (money, SQL, delete, email). Runs locally from the blackwall-mcp npm package. Needs 2 environment variables to run.

Bynn-Intelligence/skills

Plugin Claude Code

Bundles 10 skills · 979 tokens together

Document fraud detection for manipulated, fake and AI-generated PDF and image documents, plus identity verification and KYC sessions, age verification, content moderation, face search, AutoDoc invitations, and webhook verification. Bundles the Bynn MCP server.

clauxel/a2a-identity-toll-mcp

MCP server Claude CodeCodexCursor +2

Remote MCP for A2A caller identity, scope policy, verdict receipts, and audit history. Remote server at a2aidentitytoll.clauxel.com.

clauxel/agent-data-boundary-mcp

MCP server Claude CodeCodexCursor +2

Permission boundary receipts for ChatGPT agents. Remote server at agentdataboundary.clauxel.com.

clauxel/bumblebee-endpoint-receipt-mcp

MCP server Claude CodeCodexCursor +2

A paid remote MCP for developer endpoint scanner MCP, built to return verdicts, receipts, usage logs. Remote server at bumblebeereceipt.clauxel.com.

clauxel/copilot-cli-switch-gate-mcp

MCP server Claude CodeCodexCursor +2

Remote MCP for Copilot CLI switch gate MCP, structured receipts, audit logs, and reviewer-ready evid. Remote server at copilotcliswitchgate.clauxel.com.

clauxel/copilot-connector-ledger-mcp

MCP server Claude CodeCodexCursor +2

Copilot connector permission audits with owner signoff receipts. Remote server at copilotconnectorledger.clauxel.com.

clauxel/mcp-oauth-scope-gate-mcp

MCP server Claude CodeCodexCursor +2

OAuth scope approvals and consent receipts for remote MCP servers. Remote server at mcpoauthscopegate.clauxel.com.

clauxel/mcp-scope-consent-mcp

MCP server Claude CodeCodexCursor +2

Remote MCP for MCP consent scope receipt, structured receipts, audit logs, and reviewer-ready eviden. Remote server at mcpscopeconsent.clauxel.com.

clauxel/safety-replay-gate-mcp

MCP server Claude CodeCodexCursor +2

Paid remote MCP for safety replays, policy gates, eval receipts, and release evidence. Remote server at safetyreplay.clauxel.com.

clauxel/tracepii-shield-mcp

MCP server Claude CodeCodexCursor +2

PII scanning and redaction receipts for LLM traces and tool payloads. Remote server at tracepiishield.clauxel.com.

nutstrut/default-settlement-verifier

Skill Claude CodeCodex

Verify signed SAR v0.1 settlement receipts locally with Ed25519 and RFC 8785 canonicalization. Use when you need to confirm a receipt is cryptographically valid before trusting a task-complete claim, chaining to another agent output, using a receipt as evidence, or acting on a settlement-adjacent claim. Optionally…

bildow/demipass

MCP server Claude CodeCodexCursor +2

Credential custody for agents: use secrets blind (ssh/http/smtp/git/db), never in context. Runs locally from the demipass npm package. Needs 2 environment variables to run.

zvmzaretsky/crypto-safety-mcp

MCP server Claude CodeCodexCursor +2

Read-only crypto safety: token honeypot checks, EIP-712 signature decode, approval scans. Remote server at safe.fabtally.com.

keyhalve/keyhalve-mcp

MCP server Claude CodeCodexCursor +2

Free, no-account verification of KeyHalve-sealed documents. Read-only; never receives keys. Runs locally from the @keyhalve/verify-mcp npm package.

LayerCall/layercall-sdk

MCP server Claude CodeCodexCursor +2

Score an IP, email, phone, domain or device for fraud in one call, with the signals behind it. Remote server at www.layercall.com.

Baktun-Studio/linebreak-gate

MCP server Claude CodeCodexCursor +2

LineBreak security gate at the git/CI boundary: dependency CVE scan + AI SAST, human-approved overrides, git-native audit records. Runs locally from the linebreak-gate Python package.

MetricProvenance/odgs-mcp-server

MCP server Claude CodeCodexCursor +2

MCP server for ODGS governance enforcement — validate data, compile regulations, generate S-Certs, detect drift. Runs locally from the odgs-mcp-server Python package. Needs 2 environment variables to run.

nauta-ai/holster

Plugin Claude Code

Bundles 1 skill · 54 tokens together

Preflight security for AI-agent development. Run holster guard . to get a RUN verdict and a SHARE verdict on a repo before you hand it to an AI agent, commit it, or share it — catches live API keys, MCP servers that run unpinned code, and credential files missing from .gitignore. Local-first; the repo never leaves yo.

ObligationSign/agts-mcp

MCP server Claude CodeCodexCursor +2

Sovereign MCP Gateway — 64 governed tools with Merkle transparency log. EU AI Act ready. Remote server at mcp.obligationsign.com.