MCP Server Directory

Microsoft Windows Security Updates (MSRC CVRF) — buy per-query in-session (msrcwatch) com.a2awire/data-windows-security-update-microsoft-cvrf

MSRC Windows updates: CVE rollups, Patch Tuesday. Register in-session — free testnet funds.

KHOTEM com.khotem/khotem-witness

Paid API bazaar for agents: seals, audits, wallet intel, codec ops. x402.

RiverWatch: USGS river levels & stream-flow gauges — per query com.a2awire/data-river-level-stream-flow-flood-alert-gauge

River levels & flood alerts: USGS gauges. $0.01/query. Register in-session — free testnet funds.

Drawcall io.github.drawcall-ai/drawcall

Discover Drawcall workflows for 3D apps and asset creation; read APIs and approve CLI logins.

Fieldstub com.fieldstub/fieldstub

Capture extra work on a jobsite and file it into Procore as a Change Event on real budget codes.

US state SC io.github.sadri-dridi/st-sc

USPS state code SC.

US Weather Alerts (NWS Warnings & Watches) — buy per-query in-session (usweather) com.a2awire/data-us-weather-alerts-nws

US weather alerts (NWS): warnings, watches. $0.01/query. Register in-session — free testnet funds.

Toolbox for AI agent skills: scaffold, lint, pack, install, and serve SKILL.md skills

Hacker News Front Page (Live Tech Stories) — buy per-query in-session (hnfrontpage) com.a2awire/data-hacker-news-front-page-tech-news

Hacker News front page: top stories, points, links. Register in-session — free testnet funds.

Delegate a self-contained task to opencode's free-tier models as a one-shot subagent.

MEEK 3D Print Toolchain MCP — OpenSCAD + PrusaSlicer + GCODE + QIDI Max4 print job. CRITICAL for the

Science News Tracker — latest research & discovery headlines (scinews) com.a2awire/data-latest-science-news-research-discovery

Latest science news: research & discoveries. $0.01/query. Register in-session — free testnet funds.

Build, validate, and describe TTEOP telemetry envelopes for AI operator token efficiency.

Generate realistic, relational synthetic JSON test data from templates, via the JsonFabrica API.

Storm risk, route risk and reanalysis backtests for any point on earth. No key, no wallet.

Pin visual feedback on any live web page and send it to Claude Code, Cursor or your AI agent.

OneAIMemory io.github.AmxnCode/oneaimemory

Cross-device AI memory with encrypted activity capture and context handoff between AI tools

The 2026-07-28 MCP revision removed the initialize handshake, sessions, ping and 4 more RPCs. 27 rul

Echo Memory io.github.ayushcodes10/echo-mem

Shared memory for AI agents, as a graph in your own Postgres. Writes never call an LLM.

encoded-word charset token, input discarded io.github.sadri-dridi/rfc2047-ok

encoded-word charset token, input discarded

site com.bankcodelookup/site

Bank Code Lookup: the site's own MCP server — dataset, enquiry (enquiry = a human handoff, not a...

Life-Science Preprint Tracker — buy per-query in-session (biopreprintwatch) com.a2awire/data-science-paper-preprint-biotech-release

Biotech preprints: new paper releases. $0.01/query. Register in-session — free testnet funds.

Run bounded, deterministic MCP reliability tests and generate executable regressions.

Knowl io.github.dat999zx/knowl

Persistent memory for AI agents, for code, research and everyday life. Stale facts retire.