The real catalog of tools for AI agents

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

API-key pre-action risk gate: any irreversible agent action (money, SQL, delete, email).

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

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

Cloudflare Workers MCP server: ai-guardrails

An MCP server that provides Javelin Standalone Guardrails

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

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

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

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

AI Agent Guardrails MCP server - security layer

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

Zenable cleans up sloppy AI code and prevents vulnerabilities with deterministic guardrails

Access Oi Contexts, Workflows, Skills, Guardrails, Connections, and reporting tools.

Read-only MCP for identity resolution and write guardrails.

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

Governance firewall and safety guardrails oracle for AI swarms.

Schedule and publish social content across nine destinations with human guardrails.

Ask your AI cost, runway, and guardrails from your real AtlasBurn data — read-only.

Static linter for CLAUDE.md-style agent constitution files: 10 operational-guardrail checks.