The real catalog of tools for AI agents

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47,766real tools

31,719callable over HTTPS

21,518measured

6,636proven reliable

Diogenes Agent Guardrails & Sandbox MCP Reliable (measured) · 100% over 9 checks Does the job (tested) · 7/7

Autonomous agent guardrails, bash sandboxing, MCP rugpull diffing & prompt firewalls.

MCP endpoint : https://diogenes-micro-gateway.corinth.workers.dev/mcp/agent-guardrails · website · measurements and details

Diogenes Dev & Data Utilities MCP Reliable (measured) · 100% over 9 checks Does the job (tested) · 7/7

JSON healing, O(n) ReDoS defense, XML prompt compilation, and schema verification tools.

MCP endpoint : https://diogenes-micro-gateway.corinth.workers.dev/mcp/dev-utilities · website · measurements and details

Diogenes Web3, DeFi & 402 Security MCP Reliable (measured) · 100% over 9 checks Does the job (tested) · 7/7

Smart contract audit oracles, Solana risk analysis, MEV defense & HTTP 402 verifiers.

MCP endpoint : https://diogenes-micro-gateway.corinth.workers.dev/mcp/web3-security · website · measurements and details

Diogenes Autonomous Microservice Gateway Being measured · 50% over 2 checks

Autonomous AI microservices: 55 dynamic guardrails, contract audits & oracles via L402/x402/MPP.

MCP endpoint : https://diogenes-micro-gateway.corinth.workers.dev/mcp · website · measurements and details

Guardrail MCP Reliable (measured) · 100% over 51 checks Does the job (tested) · 51/51

Deterministic preflight checks for credentials, fund transfers, writes, and prompt overrides.

MCP endpoint : https://guardrail-mcp.kadopi.workers.dev/mcp · website · measurements and details

Server and secret guardrails Reliable (measured) · 100% over 13 checks Does the job (tested) · 12/12

Local checks for sudo, systemd, sshd, ufw, and secret leaks before an agent applies them.

MCP endpoint : https://testedtemplates.com/mcp · website · measurements and details

Agent Guardrails Not measured yet

Merge gates and safety checks for AI coding agents via MCP.

Package npm : agent-guardrails · measurements and details

ai-guardrails Reliable (measured) · 100% over 51 checks

Cloudflare Workers MCP server: ai-guardrails

MCP endpoint : https://api.lazy-mac.com/ai-guardrails/mcp · website · measurements and details

NeuroDock Guardrail Not measured yet

Advisory detectors for rumination, hyperfocus, and sycophancy. Never silently blocks.

Package pypi : neurodock-mcp-guardrail · website · measurements and details

Agent Spend Guard — owner-set purchasing guardrails Flaky · 67% over 3 checks Real task being tested · 0/2

Free spend guardrails for AI agents: approve/deny/ask_user, caps, dupes.

MCP endpoint : https://a2awire.com/mcp/connectors/spend-guard/http · website · measurements and details

GuardRails-MCP Not measured yet

Local prompt regression tracker with six fictional cases and evidence for human review.

Package pypi : guardrails-mcp · website · measurements and details

Agent Guardrail MCP Server Not measured yet

Action-level governance for AI agents -- control what they DO, not what they SAY

Package pypi : agent-guardrail · website · measurements and details

javelin-guardrails-mcp-server Being measured · 0% over 1 checks

An MCP server that provides Javelin Standalone Guardrails

MCP endpoint : https://abhijitjavelin.github.io/javelin-guardrails-mcp-server/mcp · measurements and details

guardrails Not measured yet

AI Agent Guardrails MCP server - security layer

Package npm : guardrails-mcp-server · website · measurements and details

Collar Guardrail — Pre-Trade Risk Layer Flaky · 80% over 5 checks Does the job (tested) · 4/4

Deterministic pre-trade risk checks for AI agents on Robinhood Chain. Returns allow/warn/deny.

MCP endpoint : https://api.collarguardrail.com/mcp-http/mcp · website · measurements and details

spotdb Not measured yet

Ephemeral data sandbox for AI workflows with guardrails and security

Package oci : docker.io/aliengiraffe/spotdb:0.1.0 · website · measurements and details

agent-guardrail Not measured yet

Deterministic policy firewall for AI agent tool calls - YAML rules, not a fuzzy risk score.

Package pypi : guardrail-mcp · website · measurements and details

blackwall-x402-guardrail Flaky · 98% over 45 checks

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

MCP endpoint : https://mcp.blackwalltier.com · website · measurements and details

healthclaw-guardrails Private (key required)

Guardrailed FHIR access for AI agents: PHI redaction, audit trail, step-up auth, tenant isolation

MCP endpoint : https://mcp-server-production-5112.up.railway.app/mcp · website · measurements and details

rail-score Being measured · 0% over 2 checks

Responsible-AI guardrails for agents: scoring with policy, injection & PII detection, DPDP.

MCP endpoint : https://mcp.responsibleailabs.ai/mcp · website · measurements and details

AI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt

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