Structural memory for coding agents: callers, callees, blast radius and symbols over MCP.
Search federal government contract opportunities from SAM.gov via Claude.
3D printing filament and materials knowledge MCP server.
Astronomical catalog data and observing session planner. 13,000+ objects from OpenNGC.
Brewing knowledge MCP — beer styles, ingredients, off-flavours, water chemistry, recipes.
D&D 5e SRD MCP server with monster, spell, equipment search and encounter building tools.
Godot 4 MCP server — test runner, API docs, script analysis, scene parsing, LSP.
Hearthstone card search, deck analysis, strategy coaching, and archetype classification.
LEGO sets, parts, minifigs, and inventories as an MCP server.
Disney Lorcana TCG MCP server with card search, deck analysis, ink curves, and set browsing.
Magic: The Gathering MCP server — cards, rules, combos, and Commander intelligence.
One Piece TCG MCP server with card search, deck analysis, and set browsing.
Warhammer 40K and Kill Team rules, stats, and game flow MCP server.
Audit your Design System and serve your Agent the rules that keep AI-written UI on-system.
Open jobs read from a company's own careers system: Greenhouse, Ashby, Lever.
MCP server for GroupDocs.Parser — extract text, images, metadata, tables, barcodes via AI.
Thin MCP server for GrowthBook — skill loader + authenticated API passthrough.
MCP server for describing and invoking gRPC methods.
An MCP server that provides tools for interacting with Deep State Representation (DSR) graphs.
A2A MCP & CPG Rails: HBPC (Hygiene + Beauty Personal Care) procurement and ESG.
Search 41K+ nonprofits, get impact data, submit enrichments, donate USDC via x402.
Buda.com market data: prices, spreads, OHLCV, order books, trades, and volume for CLP, COP, PEN.
A MCP Server Counting Number of r's for a Given Query.
Swedish B2B intelligence: insolvency risk, BRF health & procurement signals from govt registries.
About Development MCP servers
Development is the broadest category on mcp.site. It covers servers that give an AI agent hands-on access to the software lifecycle: sandboxed shells and terminals, version-specific library documentation, package registries, test runners, debuggers, build and deploy pipelines, and project tools such as issue trackers. Most run locally over stdio because they need your filesystem or toolchain; a growing share run as hosted endpoints you connect with an API key or OAuth.
When choosing one, start with what the agent should be able to do without asking you, then check how the server scopes that access. Good servers expose a small, typed set of tools, document every environment variable, and let you restrict paths or repositories. Prefer listings with an Official badge or a recently updated repository, and read the install snippet for your client before adding credentials.