Rust MCP servers

MCP servers and SDKs from crates.io — fast, native binaries. 717 in the catalog. Top 100 by installs:

• Koan ServerGraphQL, Subsonic REST, and MCP server for koan music player.
• Sem Cloud ClientShared client for sem-cloud: credentials, repo resolution, caching, and the metered graph API. Used by both the sem CLI and the sem MCP server.
• AreevModel Context Protocol (MCP) stdio server for Areev.
• RudofRDF and Knowledge Graphs processing tool
• DrutDrut MCP server: read-only diagnose/format/query_structure/lookup_keyword tools over voyager-core
• Ferrotherm ServeAgent-facing tier for ferrotherm: an HTTP sampling API and a Model Context Protocol server for thermodynamic sampling, annealing and exact verification over Isi
• FerroplanModel Context Protocol server for the ferroplan PDDL planner (solve / validate / decompose over stdio)
• RuoqaMCP server exposing curated, typed tools over the openQA REST API
• RtblintMCP server for RTBlint: exposes OpenRTB bid request and bid response validation as callable tools
• Incurs Mcp ProtocolProvider-neutral MCP standard profiles and negotiation for incurs
• Ebook RsPure Rust multi-format eBook engine (EPUB 2/3, MOBI, AZW3, KFX, FB2, LIT, CBZ, PDF, ODT, DOCX, RTF, TXT, MD) featuring Mozilla UniFFI, Readium CFI/LCP, SpeechSy
• MantLocal-first TUI, structured CLI, and MCP server for manuals and Markdown
• GigagraphSemantic code-graph MCP server for coding agents: call graphs, structural similarity, API endpoint maps, blast radius
• Ryu Mcp CatalogMCP server catalog primitive for Ryu: browse and install MCP servers from the official Model Context Protocol registry (and sibling Smithery / Ryu-hosted source
• LeviathModel Context Protocol (MCP) tool integration for Leviath
• Sz RustSZ-Rust 框架能力 MCP server — 将路由解析/参数化查询/OpenAPI 生成等框架能力封装为 MCP tools，供 AI Agent 调用
• Kevykevy official MCP server: stdio JSON-RPC bridge exposing kevy verbs as agent tools. Pure Rust.
• Boatrampboatramp — Model Context Protocol server (drive the control plane from an agent)
• MincoLocal read-only Model Context Protocol server for bounded Minco project views
• VigyMCP server for vigy — exposes runtime CRUD as MCP tools so Claude (and other MCP clients) can drive the registry.
• CodingestMCP server for codingest code graphs — thin frontend over the kglite-mcp-server library (cypher_query / graph_overview / read_code_source / set_root_dir)
• Mcp2mdGenerate Markdown documentation from an MCP server's discovered surface
• RunifoldCapability-safe Model Context Protocol edge for Runifold
• NabuRead-only MCP server for nabu: exposes search_history, get_session, recall_answer, and related tools over stdio for coding agents.
• TopodbMCP server exposing the TopoDB agent-memory engine
• NexqlStandalone Postgres MCP server — CLI, subcommands, wiring
• ImbhModel Context Protocol server for imbh: read-only telemetry tools over a transport-agnostic JSON-RPC dispatch, plus a stdio transport.
• DejadbModel Context Protocol (MCP) stdio server for DejaDB.
• Ghost CoreCore automation primitives (recipes, store) for the Ghost desktop-automation MCP server.
• Rto RenderRenderers for Roteiro: docs site, Obsidian vault, and optional MCP server. Implementation detail of the roteiro CLI; no API stability guarantee.
• BosskitRead-only multi-platform job search CLI and MCP server
• Plugmemplugmem MCP server (stdio JSON-RPC) exposing embedded memory to agents and other programs.
• RfRavenFabric MCP (Model Context Protocol) server — policy-controlled AI agent access
• PhronesisMCP server and CLI (phr-mcp) wrapping the phronesis RETE rules engine for durable enforcement of project conventions in LLM-assisted work.
• GhlMCP server for GoHighLevel CRM — agency-grade, single static binary, built on the official rmcp SDK
• PixellintMCP server for Pixellint: exposes pixel, postback, and tracking URL validation as callable tools
• VexA transparent MCP security proxy: inspects tool descriptions for injection, pins tool definitions to detect rug-pulls, enforces a default-deny capability policy
• Dravr SciotteMCP server for dravr-sciotte — expose sport activity scraping via Model Context Protocol
• R402MCP transport for the x402 payment protocol (official rmcp SDK).
• UblSecure, audited Model Context Protocol (MCP) client/server with policy gates and audit logging.
• Rms MemoryPersistent, local-first memory for your AI coding agents.
• Tessera CodegraphA local, deterministic semantic code graph and MCP server for AI coding agents. 11 languages, personalized PageRank impact, hallucination validator, call-path t
• Open Kioku CliOpen Kioku command-line interface and MCP server binary.
• MollifyModel Context Protocol (stdio) server for Mollify — the one server every agent front-end calls.
• RustapiNative Model Context Protocol (MCP) support for RustAPI - expose your endpoints as tools for LLMs and AI agents
• Lean HostMCP server hosting Lean 4 via a supervised lean-rs-worker child
• BrainosModel Context Protocol (MCP) adapter for Brain OS
• TokensAnalyze token usage of MCP servers
• Reliary CoreGrammar-free code intelligence daemon, CLI, MCP server, and API proxy.
• Reliary SearchGrammar-free code intelligence daemon, CLI, MCP server, and API proxy.
• LuftMCP server crate — exposes workflow authoring resources and execution tools to external AI clients
• EscribaMCP server for escriba — autogenerated tools from the OpenAPI spec, stdio transport. LLMs drive the editor.
• DriftRead-only stdio MCP server for Drift AI. Exposes blame / trace / log / rejected / show_event as tools.
• Grove CstCore AST engine, grammar registry, fetch, and ingest for grove — the structural code-intelligence library behind the grove CLI and MCP server.
• TsafeMeta-crate for the tsafe local-first secrets runtime: CLI, agent, MCP server, native host, and tray
• PapertowelMCP server exposing papertowel scan and scrub tools
• SpnDynamic REST-to-MCP wrapper - expose REST APIs as MCP tools
• AreteMCP (Model Context Protocol) server wrapping Arete streams for AI agent integration
• Journal Mcp Rmcprmcp (MCP) interface layer for journal-mcp: ServerHandler, tool_router, and stdio transport wiring over journal-mcp-core
• CmdhubMCP (Model Context Protocol) server for CmdHub — enables AI Agents to search and execute CLI commands
• RoonMCP server exposing Roon audio system as AI assistant tools
• AgentrootModel Context Protocol server for agentroot - AI assistant integration
• Gradatum Mcp StubAdapter MCP stdio → HTTP gradatum-server (thin proxy)
• KodegrafMCP server exposing 17 code intelligence tools for Claude Code, Cursor, Windsurf, and Zed
• VdslMCP server for VDSL — AI-native image generation platform. RunPod GPU provisioning, ComfyUI orchestration, model management.
• VarpulisMCP server exposing Varpulis CEP engine to AI agents
• Reliary DeadGrammar-free code intelligence daemon, CLI, MCP server, and API proxy.
• Dkdc Io ImessageiMessage MCP server for Codex CLI and Claude Code. Lets an LLM read and send iMessage on macOS.
• Reliary FixGrammar-free code intelligence daemon, CLI, MCP server, and API proxy.
• Reliary SiftGrammar-free code intelligence daemon, CLI, MCP server, and API proxy.
• MonarchMonarch Money MCP server — an agentic budgeting companion (read + categorize only)
• EnvsealMCP server for envseal: agent-native secret access with GUI-gated approval
• ArmorDrop-in Rust sidecar that wraps any MCP server: scans tool calls for prompt injection (UTS-39 confusable-fold + Unicode strip + Aho+Regex + directory-traversal)
• Reliary MemoryGrammar-free code intelligence daemon, CLI, MCP server, and API proxy.
• Wikidesk ServerMCP server that wraps LLM-wiki into a shared research service for AI coding agents.
• GitcortexMCP server library for GitCortex — exposes the knowledge graph via the Model Context Protocol
• RustantMCP (Model Context Protocol) server implementation for Rustant
• Sml McpsSmall MCP Server - sync, no tokio, just works
• Reliary OutputGrammar-free code intelligence daemon, CLI, MCP server, and API proxy.
• Reliary CompressGrammar-free code intelligence daemon, CLI, MCP server, and API proxy.
• TextlogmacOS clipboard + OCR daemon exposed to Claude Code as an MCP server
• Rmcp XdotoolMCP server for xdotool - mouse and keyboard automation
• Execution ServerMCP server for progressive loading TypeScript code generation
• ScrybeScrybe MCP server — inbound MCP tools: open/read/section/edit/diff/find/embed/lint
• TokitaiMCP server scaffolding for Tokitai - Build AI-callable tool servers with zero runtime overhead
• Reliary RiskGrammar-free code intelligence daemon, CLI, MCP server, and API proxy.
• OtheroneMCP (Model Context Protocol) — A protocol implementation for connecting external tool servers
• RucoraMCP (Model Context Protocol) integration for rucora
• Rover FetchAn MCP server for fetching and prepping web content for LLM agents.
• Mcptest AgentAgent E2E test driver: connects an LLM to an MCP server and records the conversation trace.
• Chio Mcp AdapterAdapter that wraps MCP servers as Chio tool servers
• RaijuCLI, MCP server, and Rust SDK for the Raiju AI calibration arena. AI agents stake Bitcoin on sealed predictions, trade on an LMSR AMM, and compete on a Brier-sc
• Stand In MacrosProcedural macros for stand-in MCP server framework.
• CodebonesMCP server for codebones: an AST-aware code indexing and context extraction tool
• Greentic DesktopMCP tool publishing model for Greentic desktop runner packages.
• Secretenv Backends InitSecretEnv — shared backend-factory wiring used by the CLI and the MCP server. Single source of truth for the compiled-in factory list; do not register factories
• Argyph CoreLocal-first MCP server giving AI coding agents fast, structured, and semantic context over any codebase.
• CodaMCP server for Coda.io API - enables AI assistants to read and write Coda documents, tables, and rows
• GatekprMCP server for AI agent integration (Claude Code, Windsurf, OpenCode)
• Secretenv MigrateSecretEnv — alias-migration engine. `migrate_with_plan` + `build_migration_plan` lifted from secretenv-cli at v0.16 (B1 carry-forward from v0.15) so the MCP ser