io.github.pipeworx-io/usgs-water

USGS Water Services (NWIS) MCP.

io.github.pipeworx-io/poetrydb

PoetryDB MCP.

io.github.pipeworx-io/nager-holidays

Nager.Date Public Holidays MCP.

io.github.pipeworx-io/epa-envirofacts

US EPA Envirofacts MCP.

io.github.pipeworx-io/usgs-earthquakes

USGS Earthquake Catalog MCP (FDSNWS event API).

io.github.pipeworx-io/metmuseum

The Metropolitan Museum of Art Collection MCP.

io.github.pipeworx-io/semanticscholar

Semantic Scholar Academic Graph MCP.

io.github.pipeworx-io/osv

OSV.dev (Open Source Vulnerabilities) MCP.

io.github.pipeworx-io/digimon

Digimon API MCP (digi-api.com).

io.github.pipeworx-io/sefaria

Sefaria MCP — the free digital library of Jewish texts.

io.github.pipeworx-io/ecosystems

ecosyste.ms Packages MCP.

com.savvly/savvly

Savvly Longevity Benefit: product, comparisons, eligibility, and retirement projections.

school.delegation/delegation-school

Learn to delegate real work to AI, not just chat with it — a course taught live in your own Claude.

io.github.DLJRealty/guesty

Guesty property-management MCP. 23 free read-only tools live; 43 total (Pro+Enterprise) at v1.0.

io.mcp-cn.cloudbase/cloudbase-mcp

基于 Model Context Protocol (MCP) 协议的AI编程助手一键部署服务，支持在Cursor/VSCode GitHub Copilot/WinSurf/CodeBuddy/Augment Code等AI编程工具中自动生成前后端应用+小程序，并一键发布到腾讯云开发CloudBase

io.github.gautamvarmadatla/mcpsafetywarden

MCP proxy adding security scanning, behavioral profiling, risk gating, and safe tool call execution.

io.github.navapbc/rebar

Event-sourced ticket system with a Jira reconciler, exposed as an MCP server.

ai.mrmarket/mrmarket-mcp

Analytical engine for US-listed equities: screens, rankings, and event studies in plain English.

io.github.grahammccain/chart-library

Historical chart-pattern intelligence for AI agents. 25M+ embeddings, 19K+ symbols, 10y history.

xyz.twzrd.intel/twzrd-agent-intel

Trust + receipt layer for x402 agents on Solana: free preflight + paid signed V5 trust receipt.

io.github.aleksUIX/vastlint

VAST XML validator — checks IAB VAST 2.0–4.3 ad tags for spec compliance. 121 rules.

com.overlayqa/mcp

Run accessibility & contrast audits and file QA issues from Claude Code, Cursor, and Windsurf.

com.yourmatflow/matflow

Read-only MatFlow data: pricing, competitors, features, FAQs for combat-sports gyms.

io.github.twzrd-sol/twzrd-agent-intel

Trust + receipt layer for x402 agents on Solana: free preflight + paid signed V5 trust receipt.