The real catalog of tools for AI agents

Policy-as-code guardrails for AI coding agents, validated via OPA, Conftest, Checkov & Semgrep.

AI Constraint Engine — enforces CLAUDE.md and .cursorrules as laws. 51 MCP tools.

Durable project-memory MCP: decisions, constraints, and pipelines across Claude sessions.

Temporal knowledge graph for codebases with constraint enforcement at the edit boundary.

Route MCP capabilities through deterministic identity, policy, budget, and deadline constraints.

One MCP URL for all your connectors — scoped writes, enforced constraints, and a full audit trail.

AI agent registry — search, discover, register, and connect agents via MCP.

Free dual MCP+agent registry. Probe Live, free demo, Kernel/Loop. Self-list + dual strategy.

MCP registry & directory: search, find & install 31k+ MCP servers & tools. Catalog and marketplace.

CMS NPI Registry MCP

Search and browse every MCP server in the Model Context Protocol registry.

Discover open-source AI agents and get source-owned installation instructions through MCP.

Validate design tokens for accessibility, scales, and design-system constraint consistency.

Read-only sample stays, booking constraints, and staged reservation actions for review.

Structured, constraint-aware visual generation and deterministic layout for AI agents

Publish and discover MCP servers via the official MCP Registry. Powered by HAPI MCP server.

Planning constraints for English properties from official planning.data.gov.uk data, via Apify.

Discover MCP services, match task constraints, get connection setup and self-reported use feedback.

MCP registry: 138k servers crawled, handshake-validated, reliability-scored. 744 production-safe.

Check normalized portfolios against mandates and calculate allocation constraints.