"A GitHub repository for agent guardrails" matching MCP connectors:

Analytical memory for AI agents: a real Postgres queried in plain English over MCP. One command.

Check shipping costs for all logistics services in Indonesia.

AMZScout Skill + MCP gives AI agents live access to real Amazon marketplace data across 14 Amazon marketplaces. Analyze any ASIN, validate product ideas, research niches, compare competitors, discover profitable keywords, and build data-driven PPC strategies using trusted Amazon insights instead of AI assumptions. Works with Claude, ChatGPT, Cursor, and any other MCP-compatible AI client. To connect, you'll need an AMZScout API plan and authorize your account. Get access and view pricing here: https://learn.amzscout.net/amazon-product-api-for-ai-agents

The agent-native cloud: database, functions, AI, storage, computers. 55 tools, one API key.

Build, validate, deploy — HTTP APIs, cron jobs, webhooks and MCP tools — from your AI client. Air Pipe MCP token as a bearer credential, e.g. 'Authorization: Bearer <token>'. Create one at https://app.airpipe.io/

x402 pay-per-call infra for agents: $0.03 image generation, Postgres, auth, storage, functions.

Deploy a multi-user web app from your agent: hosting, auth, database, and permissions.

UN FAOSTAT global food & agriculture statistics over a local SQLite mirror, via MCP.

Read-only MCP server for HolyDB: find Catholic parish Mass times by location and time.

Cross-brand carbide grade equivalents from verified manufacturer charts; never invents a grade.

Generate realistic, FK-consistent synthetic test data for your databases from your AI assistant.

Executes SQL in a real ephemeral database: rows, typed errors with suggestions, plans, diffs.

Registry of companies selling AI agents identity, phone, email, addresses, money, legal, insurance

Zero-key temporary JSON database for agents: one tool call, no signup, no OAuth, no API keys.

Public-registry routing map by entity kind. Read-only reference data, not a determination.

Deterministic safety, correctness & cost gate that vets Postgres SQL before your AI agent runs it.

Agent-native cloud, EU-hosted. Provision VMs, networks & databases on redu.cloud via MCP.

EU-native PaaS for AI agents — deploy web apps with one sentence, managed Postgres, GDPR by default.

China's apparel supply chain data for AI: 1,000+ suppliers, 350+ fabrics, 170+ clusters.

Read-only analytics for Convex apps, queryable via MCP from Claude, Cursor, and other clients.