# Developer tools MCP servers online Check the source documentation for each connection. 20 MCP servers. Also on the [web page](https://mcpdirectory.fyi/gb/global/online/category/developer-tools). ## MCP servers 1. [Arm MCP Server](https://mcpdirectory.fyi/gb/global/online/arm-mcp-server.md), Developer tools, Online: Official Arm MCP server for code migration, optimization, and Arm architecture guidance 2. [AsDecided](https://mcpdirectory.fyi/gb/global/online/asdecided.md), Developer tools, Online: Read-only access to deterministic engineering decisions stored in a local repository. 3. [CPU Performance Engineering](https://mcpdirectory.fyi/gb/global/online/cpu-performance-engineering.md), Developer tools, Online: A CPU performance engineering brain: a vetted reading list, benchmarks and cited source passages 4. [e18e](https://mcpdirectory.fyi/gb/global/online/e18e.md), Developer tools, Online: The official e18e MCP server keeping your agent in check from installing bloated dependencies. 5. [FSharp.Refactor](https://mcpdirectory.fyi/gb/global/online/fsharp-refactor.md), Developer tools, Online: Offline analyzers that find and fix intent-hiding, slow or noisy F\#, including agent-written code. 6. [Januscope](https://mcpdirectory.fyi/gb/global/online/januscope.md), Security, Online: Local MCP proxy for tool restrictions, response redaction, audit logs, and database schema context. 7. [jevmem](https://mcpdirectory.fyi/gb/global/online/jevmem.md), Knowledge and memory, Online: Automatic project memory for Claude Code and Cursor; Codex and Claude Desktop over MCP. 8. [Lm](https://mcpdirectory.fyi/gb/global/online/lm.md), Developer tools, Online: Connect Claude to any OpenAI-compatible LLM endpoint and offload routine work to a local model. 9. [Mason](https://mcpdirectory.fyi/gb/global/online/mason.md), Developer tools, Online: Engineering decisions, change impact, documentation audits, and CI evidence for coding assistants. 10. [Metro MCP](https://mcpdirectory.fyi/gb/global/online/metro-mcp.md), Developer tools, Online: MCP server for React Native/Expo runtime debugging, inspection, and automation via Metro/CDP 11. [Mneme Decision MCP](https://mcpdirectory.fyi/gb/global/online/mneme-decision-mcp.md), Developer tools, Online: Local MCP server for architectural decisions, traceability, and non-authoritative proposals. 12. [since-cutoff](https://mcpdirectory.fyi/gb/global/online/since-cutoff.md), Developer tools, Online: Which Python library APIs changed after your model's training cutoff (static diff, no model calls) 13. [Socraticode](https://mcpdirectory.fyi/gb/global/online/socraticode.md), Developer tools, Online: MCP server for enterprise local codebase indexing, semantic search, and code dependency graphs. 14. [Rendercheck](https://mcpdirectory.fyi/gb/global/online/rendercheck.md), Developer tools, Online: Check from a screenshot that text is really visible to users. Local, offline OCR. 15. [UI Verify](https://mcpdirectory.fyi/gb/global/online/ui-verify.md), Developer tools, Online: Visual testing for coding agents: your agent sees every UI change it makes and triages each diff. 16. [Docs Mcp](https://mcpdirectory.fyi/gb/global/online/docs-mcp.md), Developer tools, Online: Remote MCP server for Tandem docs, install guides, SDKs, workflows, and agent setup help. 17. [C64 Bridge](https://mcpdirectory.fyi/gb/global/online/c64-bridge.md), Developer tools, Online: MCP server for Commodore 64 Ultimate hardware and VICE emulator control. 18. [Codealive Mcp](https://mcpdirectory.fyi/gb/global/online/codealive-mcp.md), Developer tools, Online: Semantic code search and analysis from CodeAlive for AI assistants and agents. 19. [Concord MCP](https://mcpdirectory.fyi/gb/global/online/concord-mcp.md), Developer tools, Online: Cross-harness communication and shared work-state for AI coding agents. 20. [Miru](https://mcpdirectory.fyi/gb/global/online/miru.md), Developer tools, Online: Hybrid semantic and keyword code search for coding agents. ## Other categories in Online - [Search and research](https://mcpdirectory.fyi/gb/global/online/category/search-research.md): 18 MCP servers - [Knowledge and memory](https://mcpdirectory.fyi/gb/global/online/category/knowledge-memory.md): 14 MCP servers - [Data and databases](https://mcpdirectory.fyi/gb/global/online/category/data-databases.md): 10 MCP servers - [Productivity and collaboration](https://mcpdirectory.fyi/gb/global/online/category/productivity-collaboration.md): 10 MCP servers - [Other tools](https://mcpdirectory.fyi/gb/global/online/category/other-tools.md): 7 MCP servers - [AI and media generation](https://mcpdirectory.fyi/gb/global/online/category/ai-media-generation.md): 4 MCP servers - [Communication](https://mcpdirectory.fyi/gb/global/online/category/communication.md): 3 MCP servers - [Sales and marketing](https://mcpdirectory.fyi/gb/global/online/category/sales-marketing.md): 3 MCP servers - [Security](https://mcpdirectory.fyi/gb/global/online/category/security.md): 3 MCP servers - [Finance and crypto](https://mcpdirectory.fyi/gb/global/online/category/finance-crypto.md): 2 MCP servers - [Health and science](https://mcpdirectory.fyi/gb/global/online/category/health-science.md): 2 MCP servers - [Cloud and DevOps](https://mcpdirectory.fyi/gb/global/online/category/cloud-devops.md): 1 MCP server - [Web and browser automation](https://mcpdirectory.fyi/gb/global/online/category/web-browser-automation.md): 1 MCP server