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 updated4610MITWhy this server?
Utilizes YAML files for defining server deployment configurations and infrastructure templates.

Kastellofficial
AlicenseAqualityBmaintenanceServer security auditing (413 checks, 29 categories), production hardening, and fleet management. Supports Hetzner, DigitalOcean, Vultr, and Linode.Last updated1712856Apache 2.0Why this server?
Utilizes the IANA-registered .faf (YAML) format to manage project metadata, providing tools to initialize, auto-detect, and score project context for AI-readiness.
AlicenseAqualityBmaintenanceGrok asked for MCP on a URL. This is it. First MCP server built for Grok URL-based • Zero config • Just worksLast updated81225617MITWhy 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 updated10075921MITWhy this server?
Allows managing tasks in YAML format, providing configuration-friendly representation for task data.
Why this server?
Enables defining and configuring multiple API endpoints using YAML syntax, supporting various HTTP methods, parameter generation, and request configurations.
AlicenseBqualityDmaintenanceA Model Context Protocol server that creates tools from API configurations defined in YAML files, allowing easy integration of external APIs into an MCP ecosystem without coding.Last updated7217MITWhy this server?
Processes Swagger/OpenAPI documentation in YAML format, enabling the parsing and exploration of API definitions specified in YAML.
AlicenseAqualityCmaintenanceMCP server that provides tools for exploring and testing APIs through Swagger/OpenAPI documentation.Last updated57112MITWhy this server?
Provides OpenAPI 3.1 specification in YAML format for API documentation and integration with tools like ChatGPT Custom GPTs.
Why this server?
Supports reading database configuration from YAML files in projects
AlicenseAqualityBmaintenanceEnables 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 updated4521ISC