Remote Servers

X

x402 Agent Tollbooth

ak10082247-max

On-chain DeFi smart contract auditor, arbitrage scanner, and agent tollbooth via x402 on Base.

M

MarketNow

alicelabs-llc

Search 70,510 indexed MCP servers, install-risk scoring and Ed25519-signed Agent Trust Cards.

E

ExactGround

alidaram99

Check npm/PyPI packages exist and that a function or method exists in an exact package version

A

Allowance MCP

useallowance

Payment security for AI agents. Allowance lets agents request human-approved virtual cards, complete checkout, and report receipts without exposing a real card.

W

Web Scan

ankitkumarjha515

Audit any live URL: 85 SEO, AI-search, security, leaked-key and speed checks, with fixes to verify.

D

DevOps & Cloud Code Auditor

Ansarii

Detects database migration table locks, terraform cost leaks, and OWASP API flaws

M

MCP Security & Vulnerability Auditor

Ansarii

Static AST security scanner detecting command injection, leaked secrets, and SSRF in MCP tools

N

Neon Zero-Trust Gateway

Ansarii

Zero-Trust MCP gateway securing internal database tools behind an API key firewall

B

Betterleaks Cloud - GitHub, Git, S3, Dir Secret Scanner

AnshumanAtrey

Betterleaks Cloud - GitHub, Git, S3, Dir Secret Scanner

B

Bug Bounty Finder - HackerOne + Bugcrowd + security.txt

AnshumanAtrey

Bug Bounty Finder - HackerOne + Bugcrowd + security.txt

D

Domain History Contact OSINT - Previous Owner + WHOIS History

AnshumanAtrey

Domain History Contact OSINT - Previous Owner + WHOIS History

H

Holehe Email OSINT - Find Registered Accounts

AnshumanAtrey

Email OSINT Tool - Find Registered Accounts on 120+ Sites

N

NetIntel - Unified IP & Domain Intelligence

AnshumanAtrey

NetIntel - Unified IP & Domain Intelligence

N

nmap - Network Port Scanner & Service Detection

AnshumanAtrey

nmap - Network Port Scanner & Service Detection

T

theHarvester Cloud - Email & Subdomain Finder

AnshumanAtrey

theHarvester Cloud - Email & Subdomain Finder

A

Anyway Possible Paid Agent Utilities

anyway-possible

Paid x402 tools for merchant intelligence, Base payment readiness, and verifiable web evidence

D

Domain Lab

domainlab.app

Track domain expiry, DNS, SSL and email security across registrars, and explain what changed.

C

Crypto Due Diligence

openkrill.app

Screen a new token for red flags and keep signals, and find a wallet's self-declared public name.

C

CVE Risk Check

openkrill.app

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

P

Prompt Injection Scanner

openkrill.app

Check text before your agent reads it: hidden instructions, invisible text and links that leak data.

D

Domain Mail Check

openkrill.app

Check a domain's email DNS, whether Gmail and Outlook accept its mail, and its registration.

P

Package Health Check

openkrill.app

Check an npm or Python package, or a package.json, for vulnerabilities and upkeep

C

CYBO Attest

ulapcybo.app

Scan, fix and justify your application code until it is approved to ship

A

Aribot

aristiun

Threat modeling, code, cloud and pipeline scanning, shadow-AI discovery, compliance checks and fixes, from your assistant

W

warda

ArtyKOMarkets

Economic authority for autonomous agents on Kaspa L1. Never holds a key

K

KarmaDue

ashadow07

Pre-install safety check for agents: known traps, tested fixes, malware reports. No account

A

Aaaa Nexus

atomadictech

Formally verified AI safety APIs for autonomous agents. 75+ endpoints, x402 USDC micropayments, MCP server, A2A protocol. No signup required.

A

Atomadic starter MCP (50 tools)

atomadictech

50 starter MCP tools for AI compliance and trust: identity, escrow, SLA, EU AI Act.

A

Attest

attestagents

Scan agent payment endpoints (x402, AP2, L402, MPP, 402) for a trust grade A-F before paying.

A

automaton-colony

AutomatonColony

Screen Base smart contracts and B20 tokens: free on-chain check, paid Flash Audit over x402 (USDC)

S

Stackhal

bahdanhal

Outside-in DNS, email security, SEO, GEO and app-link checks plus developer utilities

C

cloud-pathfinder

Baneado98

IaC attack-path auditor: finds internet-to-crown-jewel chains in Terraform/CFN/K8s

B

Bay Run

barneywohl

Free OpenAI-compatible inference with signed provenance receipts and 3 focused MCP tools

D

data-breach-detector

beepboop2025

Read-only breach intelligence, full history 2007 to today: reports that an org was breached, never the data

S

SRI — MCP Server Inspector

sri-test.biz

2,000+ MCP servers read at source level. Know what one does before you connect. Free, no key

B

Blindoracle

craigmbrown

Privacy-preserving agent settlement for prediction markets via blind signatures. 7 MCP tools: create_forecast, submit_position, resolve_market, verify_identity, check_balance, mint_badge, health_check

B

Blocktrust Trustscan

brnbtech770

Digital trust verification for AI agents. Verify

L

Lumière PayCheck

Book0fEli

Check any x402 endpoint before your AI agent pays it: trust grade, verdict, and hijack checks

M

Magneta Contract Risk

Bosacks

Smart-contract risk reports for AI agents on 20 EVM chains, paid per call via x402 ($0.02 USDC)

C

CipherHUB Cryptography Toolkit

bowenerchen

Production-grade cryptography toolkit with 31 MCP tools for classical, PQC, and KMS workflows

D

Domain Intelligence X402

Br0ski777

x402 micropayment API for AI agents. Domain WHOIS and intelligence lookup. Pay per call with USDC on Base.

G

Gdpr Scanner X402

Br0ski777

Scan website GDPR compliance: cookie consent, privacy policy, trackers. Score 0-100. x402 micropayment API + MCP server for AI agents

B

Brand Narrative Intelligence

apifyforge

Brand narrative intelligence and brand threat detection for AI agents via the Model Context Protocol.

W

workspace-tools

brian-mitchell-sec

Research honeypot. Logs connections and tool arguments; injects instructions. Read README first

P

Privi Anchor

canoydario847-cloud

Hash anchoring and proof-of-existence on chain for AI agents and apps. Free with an API key.

P

Privi Quantum Ledger

canoydario847-cloud

Quantum-sealed audit logs for AI agents (ML-DSA-87, SHA3-512), plus Privi Guard and trust passports.

P

Privi Quantum

canoydario847-cloud

Quantum on IonQ/IBM/Braket: spending mandates, signed benchmarks, paid PQC CBOM, advantage receipts

P

Privi Verify

canoydario847-cloud

Manufacturing lot verification and chain of custody for AI agents, paid per call in USDC (x402).

C

Catalyst Governance

Stratogenic-AI

Governance middleware for AI agents — permission gates, human-in-the-loop approvals, compliance scanning across 8 frameworks, and hash-linked audit ledger. Hosted SSE endpoint, no self-hosting required.

L

logicnodes-mcp

cmdenney

Remote MCP for LogicNodes: Signed PII-Shield flagship and payable x402 agent tools on Base

C

Content Moderation API

cmondillo

Pay-per-call profanity/explicit-content detection for AI agents. $0.005 USDC per call, no signup

C

Cognitive Warfare & PsyOps Analysis

apifyforge

Cognitive warfare and PSYOPS analysis for AI agents via the Model Context Protocol.

A

AgentIndex

cognivis

Trust scores and on-chain payment receipts for x402 services

F

FIPS 140 certificate tracker

808bits.com

Every NIST FIPS 140 certificate, plus the modules-in-process queue NIST publishes only as a page.

A

acp-mcp-server

agenticcontrolplane.com

See, price, and control every tool call your AI agents make: policy checks, cost, and audit tools

A

ALEETH Authority MCP

aleeth.com

The first MCP governed by ICA. Every action is gated and sealed with a verifiable receipt

A

Anyway Possible Agent Utilities

anywaypossible.com

A free tool recommender plus eight x402 tools for payments, merchants, wallets, and web evidence

I

invinoveritas

babyblueviper.com

Second opinion before an irreversible agent action; signed proofs, free verify, public ledger

B

blackwall-x402-guardrail

blackwalltier.com

Keyless hosted MCP: pre-signature x402 payment verdict (GO/HOLD/STOP) with a signed receipt

Q

Quiet Menders

brianbooms.com

Privacy clinic + pay-per-call data APIs for AI agents via x402. Never pays or touches keys