Remote Servers

Z

ZKStamp Proof-100

ZKStamp

Shielded proof-of-existence timestamps on BitcoinZ (zk-SNARKs). Free trial: 3 proofs

F

FabTally Safe

zvmzaretsky

Read-only crypto safety: token honeypot checks, EIP-712 signature decode, approval scans

F

FabTally Guard

zvmzaretsky

Verify before you act: deps-check, x402-preflight, json-repair & url-read for agents

B

Base Transaction Decoder

0200project

Decode any Base tx: plain English, strict JSON, risk flags, no LLM. 50 free/day per IP, then $0.02

On-chain investigations: who is behind a wallet, who funded it and where its money went.

Verify code402 XDR-1 receipts: keccak digest + secp256k1 signer recovery. Free, stateless.

X

x402-checks

89rat

Machine-payable deterministic identifier checks + signed XDR-1 receipts for agents

Human-in-the-loop API for AI agents: CAPTCHA, OTP, KYC, and approvals by real humans

An MCP server that provides Javelin Standalone Guardrails

E

EP AgentIAM

achilliesbot

AI agent execution safety via x402 micropayments: risk scoring, integrity, memory checks

Check if an AI agent is registered, Active and Verified in the Concordium Agent Registry (CIS-8004)

Prompt-injection scanner for agents: risk score, categories and spans for text, pages, MCP tools

A

Agentic Reputation Gateway

agenticsubstrate

Read-only gateway for durable agent identity, consent, recognized work, and signed receipts

Whether an AI agent may fetch a URL, on what terms, and at what price. Free, no key, no signup.

Free spend report from an agent log, no key. Hosted proxies: caps, audit export, buy calls.

D

DropEngine x402 Agent Services

Ahmet11159

AI Agent Utility Layer for agent safety, web monitoring, crypto research and tool discovery

Identity oracle and trust layer for autonomous AI agents. Bidirectional KYA and trust scoring

Daily CVE priorities ranked by real exploitation (KEV+EPSS) for AI agents; free teaser, paid full

Resolve @handles to post-quantum-signed agent identities and transact with the brands behind them

Check an AI agent you did not build: is it who it claims, inside its mandate, and what's its record

Verify Seal AI decision receipts: signed evidence anyone can check, no account needed

A

Arketo

arketo.ai

Draw your app's architecture on a live canvas and flag the bottlenecks and security gaps

Attestari's verdict on an npm or PyPI package version, asked before an agent installs it

B

boundaryai

boundaryai.ai

Deterministic runtime safety for AI agents: scan PII, gate tool actions, verify LLM output

B

ByteRay AI

byteray.ai

Hunt zero-days by talking to binaries. 40+ tools. Hosted, OAuth + SSO, invite: [email protected]

19 tools (14 free, 5 x402-metered): GSPC board, evidence, Ed25519 card verify. Measurement only

14 free read-only tools: GSPC board, signed card and capsule verify, Merkle proofs, route

Diff two npm/PyPI versions or lockfiles: new install scripts, network/shell/eval calls, new deps.

C

Cybret findings

cybret.ai

Validated API and app vulnerability findings with remediation guidance

Find source-package workflows, inspect live prices and evidence, and connect with a scoped key

Detect AI-generated speech, verify speakers by voice, and tell who answered a call (Noesis)

Governed AI actions with signed, verifiable receipts: free keyless reads, human-approved writes

E

Enoki

enokilabs.ai

Test your AI agents for security and safety weaknesses, and re-verify the fixes.

Accounts are powered by ENYAL identity, and records are verifiable without trusting us

Build and test FaceSign step-up verification flows from your AI coding tool

Credential broker for AI agents: scoped, revocable API access with policy enforcement and audit

G

Gatana

gatana.ai

MCP gateway for every MCP server, OpenAPI spec and FaaS tool behind one URL: SSO, SCIM and audit logs

Pre-execution governance for AI agents. Deterministic PASS/FAIL/REVIEW verdicts and replayable proof

Auth Token MCP Service

Auth Token MCP Traced Service

Authenticated LLM Agent (Bcrypt)

Authenticated LLM JWT Agent

Authenticated MCP Agent (Bcrypt)

Authenticated Multi-LLM Agent

Encrypted LangChain Session Agent

Encrypted LangChain Token Agent

Encrypted OAuth LLM Agent

FastAPI Auth Token JWT Service

FastAPI Auth Token Service

Google OAuth Credential Service

Google OAuth LangChain Agent

Google Sign-In Claude Agent

Google Sign-In LangChain Agent

LangChain Login and Token Agent

LLM Orchestration JWT Agent

OAuth LangChain OpenAI Agent

OAuth Multi-LLM Orchestrator

Password Hashing and JWT Service

H

HANRIA agent mandate check

hanria.ai

Check an agent action against its operator's mandate before acting: permit, deny or escalate

Check a proposed agent action against operator's rules: permit, deny or escalate, with the clause