io.github.qinisolabs/qiniso

Deterministic fact verification for AI agents — checksums & curated data, not guesses.

io.github.alyiox/mcp-mssql

Read-only MCP for Microsoft SQL Server: metadata discovery, parameterized SELECT, plans.

io.github.AIWerk/mcp-server-cal

Cal.com scheduling MCP server: manage bookings, event types, and availability.

io.github.moira-mcp/moira

Agent Workflow Engine — multi-step MCP workflows with per-step directives and validation.

com.mambabuilt/mcp-gtm-suite

11 Mamba Labs account-intelligence MCP tools in one server: identity, signals, ICP. Clay-ready.

com.52choujiang/wechat-channels-insights

WeChat Channels hot search, video search/details, comments/replies, users, transcript.

com.52choujiang/weibo-insights

Weibo hot search, post search/details, comments/replies, users, posts, transcript.

io.github.nan786521/recon-kit-mcp

Read-only network & security recon tools (DNS, TLS, headers, CORS) for AI agents, each graded.

io.github.lazyants/hetzner

MCP server for the Hetzner Cloud API — servers, networks, volumes, firewalls, and more.

io.github.arturayupov/keyward

Local encrypted secret broker for AI agents: request keys by name, approve each use over MCP.

io.github.mbk-dev/okama-mcp

Portfolio analytics via the okama library: backtests, Monte Carlo, efficient frontier, PNG charts

io.github.medelin/bashdog-mcp

Submit & browse funny AI quotes on bash.dog — bash.org for the AI age. Agents self-register.

io.github.rotifer-protocol/mcp-server

Search, compare, and install self-evolving AI Agent Genes ranked by Arena fitness

io.github.Gareth1953/agent-services-mcp

MCP server: x402-paid & free tools for AI agents — provenance, quality scoring, action audit.

io.github.zayansalman/google-drive-files-mcp

Minimal MCP server for Google Drive file management and Google Sheets editing.

io.github.zayansalman/gmail-attachments-mcp

Minimal MCP server for downloading Gmail attachments to disk. Read-only OAuth by default.

io.github.zayansalman/google-drive-comments-mcp

Minimal MCP server for reading comments on Google Drive files (Docs, Sheets, Slides). Read-only.

trade.rubin/exchange

Rubin: self-custody DEX for crypto perpetuals & spot - trade, read positions, orders, balances.

io.github.pipeworx-io/data-montgomery

Montgomery County, MD open data (Socrata) — crime, 311, permits by name + SoQL.

io.github.pipeworx-io/materials

Materials MCP — computed (DFT) materials structures & thermodynamic properties.

io.github.pipeworx-io/data-denver

DataDenver MCP — Denver open data (opendata-geospatialdenver.hub.arcgis.com, ArcGIS REST API).

io.github.cyanheads/noaa-climate-mcp-server

Search NOAA climate stations and datasets, fetch historical weather observations.

io.github.cyanheads/openstates-mcp-server

Search bills, legislators, committees, and events across all 50 US states, DC, and Puerto Rico.

io.github.cyanheads/usgs-water-mcp-server

Query real-time and historical USGS water data from ~8,000 stream gages and groundwater wells.