Best File AI Skills & MCP Servers

Excel MCP Server - Manipulate Excel files without Microsoft Excel. Model Context Protocol server for reading, writing XLSX XLSM files with Claude AI LLM integration

Stop AI from breaking code you told it not to touch. Enforces .cursorrules, CLAUDE.md, and AGENTS.md — not just suggests. Zero-config: npx speclock protect reads your existing AI rule files, extracts constraints, installs pre-commit hooks, and makes your

CLI tool for the UK Companies House API — company search, profiles, officers, filings, ownership, and due diligence

Search and retrieve researcher profiles, works, affiliations, funding, and peer review records from the ORCID registry via MCP. STDIO or Streamable HTTP.

Convert Playwright scripts into Tap v2 plans. Compile .spec.ts / .test.ts files into deterministic v2 Plan JSON that runs at zero LLM tokens in Claude Code, Cursor, and any MCP host.

ACE Framework MCP server and CLI — single-file ACEPACK state, local-model serving, agent orchestration, and host compliance enforcement.

Analyze Sketch HTML zip files via CLI or MCP. The bridge between your design archives and AI agents.

MCP server for AI assistants: read, write, edit, and manage files securely on local filesystem.

MCP server for CompanyLens — corporate intelligence API for AI agents. Search companies, get profiles, screen sanctions, and check government contracts.

A comprehensive MCP server providing 43 tools for filesystem operations, process management, interactive sessions, async file search, JSON repair, encoding fix, duplicate detection, OCR, ZIP archives, and Markdown export

MCP server for AWS S3 — list buckets, browse objects, upload/download files, and generate presigned URLs from your IDE

MCP server that makes remote markdown files available as mcp resources

Generate sequential thinking pattern files to study and learn AI reasoning. Plug-and-play extension for Claude Code, Claude Desktop, Cursor, Windsurf, and any MCP-compatible LLM.

MCP server that generates Claude Code skill files from any documentation URL or GitHub repo — create, test, and iterate on skills for Claude Code, Cursor, and Windsurf

Notion MCP server for Claude, Cursor, ChatGPT, and Claude Desktop — connect AI agents to Notion via the Model Context Protocol. Create pages, query databases, append blocks, upload files, and more in natural language.

MCP server for MarkView — preview Markdown files in a native macOS viewer

MCP server for markdown files — search, extract sections, list headings, find code blocks across your docs directory

MCP File Transfer Extension — chunk-based file transfers between MCP servers. TypeScript client orchestrator + server extension.

MCP server for full Home Assistant control — dashboards, files, automations, add-ons, and more

SSH MCP Server — Let AI manage remote servers via SSH with zero-token SFTP file transfer, proxy support, and multi-server management using Model Context Protocol

MCP server for AI-powered code archaeology — git blame, file history, contributor patterns, and related change analysis

Orchestray plugin: scrape API documentation into a portable mapping file, then generate language-specific client modules.

Intelligent file organization MCP server for Claude with security-hardened operations, auto-categorization, and duplicate detection

An MCP control plane server for local MCP stack discovery, profile inspection, and profile recommendation