Everything (official reference server)
Test/reference server that exercises every MCP feature (prompts, tools, resources, sampling). Built for MCP client developers, not for everyday use.
MCP server by openflowkit · ★ 856 · updated today
Free, open-source diagram canvas. Draw it, write it as code (Mermaid, D2, Structurizr in), ask any AI model or a local one, let Claude Code edit it live over MCP, or map a GitHub repo with every arrow cited to a file and line. MIT, local-first, no account.
Choose your AI client and copy the config.
Install / run command from the README. Client configuration depends on the project — see its README.
claude mcp add -s user openflowkit -- npx -y openflowkit mcpTest/reference server that exercises every MCP feature (prompts, tools, resources, sampling). Built for MCP client developers, not for everyday use.
Tools to read, search and manipulate Git repositories (status, diff, log, commit, branches) via LLMs.
Up-to-date, version-specific library documentation and code examples pulled straight into your prompt, so coding assistants stop hallucinating outdated APIs.
High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph — average repo in milliseconds. 158 languages, sub-ms queries, 99% fewer tokens. Single static binary, zero dependencies.
GitHub's official MCP Server
Local-first code intelligence graph for MCP and CLI. Builds a persistent map of your codebase so AI coding tools read only what matters, with benchmarked context reductions on reviews and large-repo workflows.