Best Token AI Skills & MCP Servers

MCP server providing AI agent observability — tracing, cost tracking, performance monitoring, and audit trails

MCP server for per-agent cost attribution, budget management, and spend analytics across AI agent fleets

MCP server for analyzing and optimizing context window token usage — audit tool definitions, compress schemas, track usage, and reduce bloat

Multi-account orchestration and secure token storage for OAuth-based MCP servers

Token-efficient recursive thinking MCP server for AI agents. Achieve production-ready solutions through iterative refinement with 70% token reduction. Perfect for Claude, AI problem-solving, and complex task automation.

MCP server for agent-native secrets management — store, rotate, and inject secrets without agents seeing raw values

A local MCP server that breaks on demand. Test your client against auth failures, disappearing tools, flaky responses, and token expiry.

Intelligent file reading — multiple modes to minimize token usage.

Compress text output to save tokens — strip comments, collapse whitespace, abbreviate patterns.

Hash-verified file editing MCP + token efficiency hook for AI coding agents. 9 tools: inspect_path, read, edit, write, grep, outline, verify, changes, bulk_replace.

MCP server that transforms Figma API data into AI-friendly formats for LLM code generation

MCP server that exposes Bufab's design system (UI guidelines, tokens, section specs), infrastructure rules, and Azure Bicep validation. Includes a UI guideline validator usable via `bufab-mcp validate <file>`.

MCP server that reduces agent token usage by 90% with intelligent context compression, task checkpoint persistence, and workflow-aware agent guidance.

MCP executor for Claude Code or Codex with an npm-first launcher and cheaper local or flat-rate execution by default

AI codebase indexer and MCP server for Claude Code, Cursor, and Copilot. Pre-index your project into a compact graph and measure real token savings with `larkx bench`.

Shared utilities for Pare MCP servers

Jenkins MCP server with bearer token authentication support

Local MCP server for Google Workspace (Gmail, Drive, Calendar, Sheets, Docs, Contacts, Tasks, Meet, Search Console, +Forms/Chat/Admin) across multiple accounts — OAuth-only, encrypted token storage, deny-by-default writes.

Save up to 80% tokens when AI reads code — MCP server for token-efficient code navigation, AST-aware structural reading instead of dumping full files into context window

Financial & research data MCP server — SEC filings, DeFi analytics, wallet profiling, academic papers, US macro data, patent search, token sentiment. 30 tools for AI agents.

n8n community node: Real MCP Server Trigger (Streamable HTTP) with Auth0 Bearer token validation

Time Estimation MCP Server — 24 tools for PERT, COCOMO II, Monte Carlo, sprint forecasting, token-to-time mapping, cost estimation, and schedule risk. Self-improving. MCP + CLI + REST.

The web data platform for AI agents — fetch, search, crawl, extract, monitor, screenshot. 55+ domain extractors, 65-98% token savings, MCP server included. One API call.

Crypto MCP server and CLI for AI agents: 351 tools for market data, wallets, DeFi, DEX, NFTs, token risk, Solana, and prediction markets.