Best YAML MCP Servers
YAML (YAML Ain't Markup Language) is a human-readable data serialization standard that can be used in conjunction with all programming languages and is often used for configuration files.
Why this server?
Uses YAML format for storing named feature flows with ordered step sequences in the generated graph data for flow analysis.
AlicenseAqualityAmaintenanceStructural graph map of any codebase. Scans entities, relationships, and feature flows across 13 languages so LLMs navigate by structure instead of reading everything.Last updated12136MITWhy this server?
Supports API governance, linting, and policy enforcement for OpenAPI specifications and custom governance rules defined in YAML format.

delimitofficial
AlicenseBqualityAmaintenanceOne workspace for every AI coding assistant. Governance tools for API lint, diff, persistent ledger, multi-model deliberation, security audit, and test verification. Works with Claude Code, Codex, Cursor, and Gemini CLI.Last updated10068319MITWhy this server?
Utilizes YAML files for defining server deployment configurations and infrastructure templates.

Kastellofficial
AlicenseAqualityCmaintenanceServer security auditing (413 checks, 29 categories), production hardening, and fleet management. Supports Hetzner, DigitalOcean, Vultr, and Linode.Last updated1748053Why this server?
Uses YAML for character definitions, data mod overlays, and JSON string patches; the MCP server exposes these YAML-driven workflows as tools.
AlicenseAqualityBmaintenanceDiablo II Resurrected modding toolkit — character builder, mod build/deploy pipeline, save inspector, CASC reader, and MCP server for Claude/Codex/AI integration. Linux/Steam Deck.Last updated233MITWhy this server?
Offers YAML formatting functionality for structured data
AlicenseBqualityFmaintenanceA comprehensive Model Context Protocol server providing access to 70+ IT tools for developers and system administrators, including encoding/decoding, text manipulation, hashing, and network utilities.Last updated10022221TypeScriptMITWhy this server?
Allows parsing, inspecting, and editing YAML configuration files with diff preview and risk flagging.
AlicenseAqualityBmaintenanceAn MCP server that acts as a gatekeeper for database and configuration changes, requiring proposals, dry-run simulations, and confirmation tokens before applying any modifications.Last updated81MITWhy this server?
Supports YAML format for the server's configuration system, allowing users to provide API credentials and other settings.
AlicenseAqualityCmaintenanceAn implementation of the Model Context Protocol that provides AI models with standardized access to Kaltura's media management capabilities including uploading, retrieving metadata, searching, and managing categories and permissions.Last updated165MITWhy this server?
Uses YAML for defining complex pipeline workflows, topological dependency resolution, and node configurations.
AlicenseAqualityBmaintenanceGenerates crash-proof Python LLM pipelines from plain English descriptions. Pipelines resume from the last successful node after a crash instead of restarting from scratch. IProvider-agnostic , works with Groq, Gemini, Ollama, OpenAI, or any Python callable. Zero infrastructure, runs entirely on free-tier APIs.Last updated13MITWhy this server?
Supports reading database configuration from YAML files in projects
AlicenseAqualityCmaintenanceEnables secure read-only querying of multiple database types (MySQL, PostgreSQL, MSSQL, Oracle) through natural language. Automatically reads database configuration from project files and blocks any data modification operations for safety.Last updated4121ISC