MCP Servers
Model Context Protocol servers that give AI agents access to tools and data — sourced from the official MCP registry and ranked by GitHub stars.

io.github.invapi-org/invapi-mcp
Extract, create, convert & validate invoices (UBL, CII, XRechnung, ZUGFeRD, PDF, Excel)

Obolus
Disposable Algorand wallet for AI agents. Pay x402 resources in USDC, no human provisioning.
Long-term memory for AI agents: local-first PKM with provenance and hybrid search.
Verify a number before an agent asserts it — evals, backtests (Deflated Sharpe), signed receipts.

io.github.irrenwill/secret-safe-env
Write secrets into .env without the agent ever seeing the value - Windows masked dialog (繁中 UI)

mycrab-mcp
Instant public HTTPS URLs for AI agents via Cloudflare Tunnels. x402 custom domains.

io.github.islobodan/cotforce-mcp
Give brains to your small models. MCP server enforcing step-by-step Chain-of-Thought.

Cruncher
Scientific calculator MCP server with 43 tools: arithmetic, trig, stats, unit conversion.
Dynamic context loading for AI assistants with TDD workflow and AST analysis

Itcons.app
Connect AI assistants to Itcons.app work orders, reports, projects, users, and resources.

ITM Platform
Connect AI assistants to ITM Platform projects, tasks, budgets, risks, and team workload.

Cloudflare MCP Server
Cloudflare MCP Server — 84 tools for DNS, Tunnels, WAF, Zero Trust, R2, KV & Workers

PostgreSQL MCP Server
PostgreSQL MCP Server — 27 tools for queries, schema, CRUD, DBA, HA & server management
Hiring-intent signals for B2B sales/GTM: turn live job postings into buying signals.
Issue and manage Apple Wallet & Google Wallet passes from any AI assistant.
A Jira-lite MCP server that guides planning-first workflows for AI-assisted development.

OpenClaw Agent Instruction Registry
Search and retrieve agent instruction files: system prompts, skills, workflows, and safety filters.

io.github.j-sulliman/hopgraph
Verify ANZ businesses against government registers. Surfaces cross-jurisdictional findings.

Code Review Analyst
Gemini-powered MCP server for code review analysis.

Fetch URL MCP Server
An MCP server that fetches web pages and converts them to clean, readable Markdown.

Memory MCP Server
SQLite-backed MCP server for persistent memory, full-text retrieval, and graph traversal.

io.github.j0hanz/superfetch
Intelligent web content fetcher MCP server that converts HTML to clean, AI-readable JSONL format

Fillo
Fillo MCP server — provision, scaffold, publish, and query forms from your coding agent.

io.github.jagilber-org/index-server
MCP instruction indexing server with search, CRUD, validation, and cross-repo knowledge promotion.

Vocab Voyage
20 MCP tools + 17 widgets for SAT/ISEE/SSAT/GRE/GMAT/LSAT prep. Flashcards, quizzes & games. Hosted.








