io.github.Atomic-Mail/mcp

Programmable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.

io.github.cyanheads/calculator-mcp-server

Evaluate, simplify, and differentiate mathematical expressions.

io.github.groupdocs-comparison/groupdocs-comparison-mcp

MCP server for GroupDocs.Comparison — compare, analyze, and inspect documents via AI agents.

ai.foura/mcp

Web scraping for AI agents: fetch any page via proxy or full browser, past anti-bot defenses.

com.flatlandfi/flatland

Financial reasoning infrastructure for AI agents: typed models, deterministic compilation, receipts

io.github.dave1362/umlforge

Architecture intelligence, security analysis, and living docs. 13 Mermaid tools.

io.github.antics-gg/antics-mcp

Deploy a web game to a playable multiplayer URL with rooms, state sync, and leaderboards.

io.github.liminalpepe/agent-guard-mcp

Verify-before-act safety checks for AI agents: packages, lockfiles, manifests, CI workflows.

io.github.oktopeak/intakeq-mcp

IntakeQ/PracticeQ MCP connector with HIPAA §164.312(b) audit logging on every PHI read/write

io.github.Couchbase-Ecosystem/mcp-server-couchbase

Couchbase Model Context Protocol Server to interact with Couchbase clusters

io.github.shuaicongxiaomai/agentguard

Secret, CVE and dependency-vulnerability scanning for AI agents (free, OSV.dev).

io.github.airbuzz/syncpen-mcp

The markdown workspace your AI can read, search, and suggest edits in — every change signed.

io.github.hanmahong5-arch/wireforge

Read-only MCP tools for ISO 8583 and SWIFT MT/MX: parse, validate, diff, SR2026 address checks.

io.github.SBolivarLoL/clover-mcp

Clover POS for a single merchant: sales, inventory, orders, customers (reads + safe writes).

io.github.cryptoeights/hyre-mcp

17 DeFi + RWA tools — PumpFun, wallet PnL, Meteora LP, Robinhood Chain stocks — paid via x402.

io.github.XavierFabregat/spotify-mcp

Conversational Spotify control from AI clients: play, queue, devices, playlists, and library.

io.github.Lykhoyda/ask-antigravity

Bridge Claude with Google's Antigravity CLI (agy) for code review and second opinions

io.github.Lykhoyda/ask-ollama

Bridge Claude with local Ollama LLMs for private AI-to-AI collaboration — no API keys, fully local

io.github.Lykhoyda/ask-gemini

Bridge Claude with Gemini CLI for AI-to-AI collaboration, code review, and second opinions

io.github.zhuzhen-team/feishu-user-plugin

Feishu/Lark MCP server + CLI tool. 85 tools, 3 auth layers. Send as user via cookie+protobuf.

com.get-obra/obra-cto

Local-first MCP that scores your codebase's build readiness. Your code never leaves your machine.

ai.radmail/radmail-mcp

Email OS for agents - real-inbox search, triage, commitments, and a verifiable BEC hard-stop.

io.github.philpof102-svg/xsignal

x402 pay-per-call data tools for Base agents. Flagship get_intent ABSTAINS instead of guessing.

io.github.Wangggym/quarry

Safety-railed database access for agents: Postgres, MySQL, Redis. Read-only by default.