Best Files AI Skills & MCP Servers

Context Engineering Toolkit — generate GitHub Copilot customization files (agents, prompts, instructions, skills, hooks, MCP servers, agentic workflows) via a multi-agent AI pipeline with interactive CLI and 11 built-in templates.

Install SKILL.md files, MCP servers, and AGENTS.md guidance for any coding agent. Ships both a Node API and a CLI.

codesession — Track AI agent costs, tokens, files & commits. Session tracker for Claude Code, OpenClaw, Codex, GPT, Cursor, Windsurf, Cline & any AI agent. Budget enforcement, auto-pricing, MCP server, web dashboard. Also known as codesession-cli, code se

KERN MCP server — compile, review, and analyze .kern files via MCP

An MCP server providing tools to read PDF files.

MCP server for remote filesystem operations on cloud storage (GCS, S3, etc.)

An MCP server providing tools to read PDF files.

Knowledge graph builder — construct a graph of code entities (files, functions, types) and their relationships.

MCP server for iOS leak hunting and performance investigation. 42 tools across .memgraph, .trace, and .mxdiagnostic files. v1.18 adds analyzeMetricKitPayload (42nd tool, post-mortem production-diagnostics from MetricKit JSON payloads — crash clusters, han

Shared state for multi-agent — share context, files, results between agents, broadcast messages.

Persistent key-value memory — store and recall information across sessions as JSON files.

Change impact analysis — given a file or symbol, find what files are affected by a change.

Project onboarding workflow — auto-discover project structure, conventions, and key files for a new contributor or AI agent.

Full-text search with TF-IDF ranking — index files, search with relevance scoring, suggest completions.

Multi-source research — collect info from multiple files/sources, synthesize findings, validate consistency.

Write files — create, overwrite, append.

Pack files into a compressed context bundle — reduce token usage by extracting only signatures, maps, or full content.

Inline, extract, and move refactoring — inline variables/functions, extract code to new functions, move between files.

File access heatmap — track read/write patterns, detect hot and cold files.

Zephex MCP — codebase intelligence tools for AI coding agents. stdio server that runs locally, reads your project files, and proxies AI calls to the Zephex backend.

The MCP server that makes LLMs reliable on real-world Excel spreadsheets. Thin npm client over a hosted API — read, write, diff, redact, and supervise .xlsx files from any MCP-aware agent.

MCP server that gives Claude Code persistent memory of your codebase, backed by Gemini's 2M-token context. Includes eager `ask`/`code` for cached repo Q&A and `ask_agentic` for agentic file access on repos that exceed the model's input-token limit.

Batch file reading — multiple files in one call, deduplication.

MCP server for Expo documentation - reads local .mdx files for blazing fast performance. Works out of the box with zero configuration.