Alternatives to blackwall
API-key pre-action risk gate: any irreversible agent action (money, SQL, delete, email).
blackwall is tagged Database, AI, API. The servers below cover similar ground, ranked by how many tags they share with it, then by GitHub stars.
MCP Toolbox for Databases
by googleapis
MCP Toolbox for Databases enables your agent to connect to your database.
docker run -i --rm us-central1-docker.pkg.dev/database-toolbox/toolbox/toolbox:0.31.0AnythingMCP
by io.github.HelpCode-ai
Any REST/SOAP/GraphQL/OData/SQL API as MCP tools for Claude & ChatGPT. 561 connectors: SAP, ERP.
https://cloud.anythingmcp.com/mcpCortex RMCP
by ai.dinglebear
Self-hosted homelab log intelligence over MCP, CLI, and REST with SQLite/FTS.
npx -y @dinglebear/cortex@3.13.2dokploy-mcp-server
by io.github.sapientsai
Dokploy MCP server: manage apps, Docker Compose, databases, domains, backups, and servers.
npx -y dokploy-mcp-server@1.10.0Liquid
by io.github.ertad-family
Connect your AI agent to anything — APIs, databases, and agents; read and write, auto-discovered.
uvx liquid-mcp@0.1.0mcp
by io.github.InstaNode-dev
Provision Postgres databases + webhooks from AI coding agents in one HTTP call.
npx -y @instanode/mcp@0.7.2mcp-data-pipeline-connector
by io.github.dbsectrainer
Universal data connector for CSV, Postgres, and REST APIs via DuckDB
npx -y mcp-data-pipeline-connector@1.0.0mcp-redis-server
by io.github.daedalus
MCP server that exposes Redis API to AI models
uvx mcp-redis-server@0.1.0mcp-server
by com.light-cloud
Deploy and run web apps, APIs and databases on Light Cloud from your AI agent.
npx -y @light-cloud/mcp-server@1.6.2orionbelt-semantic-layer
by io.github.ralfbecher
API-first semantic layer MCP server compiling YAML models into dialect-specific SQL
uvx orionbelt-semantic-layer@0.3.0pREST
by io.github.prest
Stdio MCP adapter bridging AI clients to pREST’s HTTP /_mcp endpoint for PostgreSQL APIs.
docker run -i --rm ghcr.io/prest/prest-mcp-adapter:0.1.3read-only-local-mysql-mcp-server
by capital.hove
MCP server for read-only MySQL database queries in Claude Desktop
npx -y @hovecapital/read-only-mysql-mcp-server@0.1.1