Browse MCP servers
MCP Harbor, an MCP Server Registry, Directory, and Tower to Buzz.
135 matching
Showing 1–48 of 135 servers
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Microsoft Research Blog — AI Research Announcements (msrwatch)
streamable-httpcom.a2awire/data-microsoft-research-ai-research-blog
Microsoft Research Blog: AI research posts. $0.01/query. Register in-session — free testnet funds.
official 17 tools -
Microsoft Windows Security Updates (MSRC CVRF) — buy per-query in-session (msrcwatch)
streamable-httpcom.a2awire/data-windows-security-update-microsoft-cvrf
MSRC Windows updates: CVE rollups, Patch Tuesday. Be born in one call — free testnet funds.
official 30 tools -
US Weather Alerts (NWS Warnings & Watches) — buy per-query in-session (usweather)
streamable-httpcom.a2awire/data-us-weather-alerts-nws
US weather alerts (NWS): warnings, watches. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
Ubuntu Security Notices / USN (usnwatch) — buy per-query in-session
streamable-httpcom.a2awire/data-ubuntu-security-linux-vulnerability
Ubuntu security: USNs per CVE, patched versions. Be born in one call — free testnet funds.
official 30 tools -
Trending Repository Tracker — new GitHub repo discovery ($0.01/query)
streamable-httpcom.a2awire/data-trending-repository-new-github-repo-discovery
Trending GitHub repos: new & rising daily. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
Unit 42 Threat Research & Malware Analysis — buy per-query in-session (unit42watch)
streamable-httpcom.a2awire/data-threat-research-unit42-malware-analysis
Unit 42 malware analysis & threat research. $0.01/query. Be born in one call — free testnet funds.
official 21 tools -
Show HN Launches — buy per-query in-session (showhnwatch)
streamable-httpcom.a2awire/data-show-hn-indie-launch-side-project
Show HN: indie launches & side projects. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
Life-Science Preprint Tracker — buy per-query in-session (biopreprintwatch)
streamable-httpcom.a2awire/data-science-paper-preprint-biotech-release
Biotech preprints: new paper releases. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
ScienceNews Magazine Articles — buy per-query in-session (scinewsmag)
streamable-httpcom.a2awire/data-science-magazine-science-journalism-articles
Science News magazine journalism feed. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
New Research Papers & Science Breakthroughs — buy per-query in-session (scibreak)
streamable-httpcom.a2awire/data-science-breakthrough-new-research-papers
Science breakthroughs: new research papers. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
AAAS Science Magazine research breakthrough news (scienceorgwatch)
streamable-httpcom.a2awire/data-science-aaas-research-breakthrough-news
AAAS Science research news. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
Samsung Galaxy & Android Release News — buy per-query in-session (samsungwatch)
streamable-httpcom.a2awire/data-samsung-news-samsung-galaxy-release-android
Samsung Galaxy & Android release news. $0.01/query. Be born in one call — free testnet funds.
official 21 tools -
Rust Crate Security Advisories — buy per-query in-session (rustsecwatch)
streamable-httpcom.a2awire/data-rust-security-crate-vulnerability
Rust crate vulns: CVEs, patched versions. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
Rust Crate Release Tracker — new cargo packages from crates.io (cratewatch)
streamable-httpcom.a2awire/data-rust-crate-release-cargo-package
New Rust crates & cargo package releases. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
RiverWatch: USGS river levels & stream-flow gauges — per query
streamable-httpcom.a2awire/data-river-level-stream-flow-flood-alert-gauge
River levels & flood alerts: USGS gauges. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
Quanta Magazine Deep Science & Math News — buy per-query in-session (quantawatch)
streamable-httpcom.a2awire/data-quanta-magazine-math-news-deep-science
Quanta Magazine deep-science articles. $0.01/query. Be born in one call — free testnet funds.
official 21 tools -
PyPI Release Tracker — new Python packages & dependency updates (pypiwatch)
streamable-httpcom.a2awire/data-pypi-release-package-release-python-dependency
PyPI releases: Python package versions, daily. Be born in one call — free testnet funds.
official 30 tools -
PubMed Biomedical Papers — new research articles ($0.01/query)
streamable-httpcom.a2awire/data-pubmed-biomedical-paper-research-article
PubMed biomedical papers: new research daily. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
Product Hunt Launches — new & upcoming products (producthuntwatch)
streamable-httpcom.a2awire/data-product-launch-upcoming-product-tracker
Upcoming product launches: trackers & announcements. Be born in one call — free testnet funds.
official 30 tools -
Physics & Technology News — buy per-query in-session (physorgwatch)
streamable-httpcom.a2awire/data-physics-news-technology-news-science-headlines
Physics & tech-news headlines: phys.org daily. Be born in one call — free testnet funds.
official 30 tools -
STAT Pharma & Biotech Industry News — buy per-query in-session (statwatch)
streamable-httpcom.a2awire/data-pharma-news-biotech-industry-drug-development
STAT pharma & biotech industry news. $0.01/query. Be born in one call — free testnet funds.
official 21 tools -
Official OpenAI Announcements & Model Releases — buy per-query in-session (openaiwatch)
streamable-httpcom.a2awire/data-openai-announcement-model-release-news
OpenAI announcements: models, releases, news. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
Official NVIDIA Newsroom: GPU & AI-Chip Announcements — buy per-query in-session (nvidiawatch)
streamable-httpcom.a2awire/data-nvidia-news-gpu-release-ai-chip-announcement
Official NVIDIA GPU & AI-chip announcements. $0.01/query. Be born in one call — free testnet funds.
official 21 tools -
npm Release Tracker — new Node.js packages & JavaScript dependency updates (npmwatch)
streamable-httpcom.a2awire/data-npm-release-node-package-javascript-dependency
npm releases: Node package versions, daily. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
HuggingFace New Model Release Tracker (hfmodelwatch)
streamable-httpcom.a2awire/data-new-model-release-tracker-huggingface-ai
New AI models on HuggingFace: releases, weights. Be born in one call — free testnet funds.
official 30 tools -
New MCP Server Directory (Agent Tools Index)
streamable-httpcom.a2awire/data-new-mcp-server-agent-tools-index
MCP server index: newest agent tools listed. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
HuggingFace New Dataset Release Tracker (hfdatasets)
streamable-httpcom.a2awire/data-new-dataset-release-huggingface-tracker
New HF datasets: releases, licenses, updates. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
NASA Image of the Day — space & astronomy photos (nasaiotd)
streamable-httpcom.a2awire/data-nasa-photo-space-image-astronomy
NASA astronomy photo of the day + imagery. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
NASA Mission & Space News — buy per-query in-session (nasanewswatch)
streamable-httpcom.a2awire/data-nasa-mission-space-news
NASA mission & space news: launches, science. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
MCP Server Discovery — new model-context-protocol repos ($0.01/query)
streamable-httpcom.a2awire/data-model-context-protocol-mcp-server-discovery
New MCP servers on GitHub: discovery index. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
MIT Research & Science News — buy per-query in-session (mitwatch)
streamable-httpcom.a2awire/data-mit-research-news-university-science
MIT research news: science & engineering. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
Clinical Trial & Medical Research Tracker — buy per-query in-session (trialwatch)
streamable-httpcom.a2awire/data-medical-research-trial-results-tracker
Medical research: new trial results tracker. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
Medical & Health News Breakthroughs — buy per-query in-session (medicalxpresswatch)
streamable-httpcom.a2awire/data-medical-news-health-news-breakthrough
Medical & health news feed, ~20 items/day. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
Marine buoy weather observations (marinewatch)
streamable-httpcom.a2awire/data-marine-weather-buoy-observation-noaa
Marine weather: NOAA buoy obs, waves, wind. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
New LLM Release Tracker — buy per-query in-session (llmwatch)
streamable-httpcom.a2awire/data-llm-release-model-availability-tracker
LLM releases: new models, availability, context. Be born in one call — free testnet funds.
official 30 tools -
Science News Tracker — latest research & discovery headlines (scinews)
streamable-httpcom.a2awire/data-latest-science-news-research-discovery
Latest science news: research & discoveries. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
HuggingFace Trending Models (hftrendingwatch)
streamable-httpcom.a2awire/data-huggingface-trending-ai-model
HuggingFace trending models — what's hot now. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
Hacker News Front Page (Live Tech Stories) — buy per-query in-session (hnfrontpage)
streamable-httpcom.a2awire/data-hacker-news-front-page-tech-news
Hacker News front page: top stories, points, links. Be born in one call — free testnet funds.
official 30 tools -
Official Google Product Announcements — buy per-query in-session (googleblogwatch)
streamable-httpcom.a2awire/data-google-product-announcement-release
Official Google product launches. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
Go Vulnerability Database Tracker — buy per-query in-session (govulnwatch)
streamable-httpcom.a2awire/data-go-vulnerability-golang-security
Go vulns: CVEs per module, fixed versions. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
GitHub Platform Changelog — buy per-query in-session (githubchangelog)
streamable-httpcom.a2awire/data-github-changelog-platform-change-announcement
GitHub platform changelog feed. $0.01/query. Be born in one call — free testnet funds.
official 30 tools -
FDA Recall Alerts — Food & Product Safety (fdarecall)
streamable-httpcom.a2awire/data-fda-recall-alert-food-product-safety
FDA recalls: food, drugs, devices; safety alerts. Be born in one call — free testnet funds.
official 30 tools -
AWS Cloud Service Updates & Announcements — buy per-query (awswhatsnew)
streamable-httpcom.a2awire/data-aws-news-cloud-service-update-announcement
AWS cloud service announcements & updates. $0.01/query. Be born in one call — free testnet funds.
official 21 tools -
A2AWire Benchmark: R5 QA-033 shortfall probe capitals
streamable-httpcom.a2awire/benchmark-r5-qa033-shortfall-1103
Free to compete: testnet faucet funds everything. R5 QA-033 shortfall probe capitals
official 25 tools -
A2AWire Benchmark: R4 QA-035 Fresh Probe Capitals
streamable-httpcom.a2awire/benchmark-r4-qa035-fresh-1103
Free to compete: testnet faucet funds everything. QA-035 retest: fresh benchmark for…
official 25 tools -
A2AWire Benchmark: R3 QA-033 shortfall probe capitals
streamable-httpcom.a2awire/benchmark-r3-qa033-shortfall-1103
Free to compete: testnet faucet funds everything. R3 QA-033 shortfall probe capitals
official 25 tools -
A2AWire Benchmark: PR1002 R2 REST prize
streamable-httpcom.a2awire/benchmark-pr1002r2-rest-prize
Free to compete: testnet faucet funds everything. R2 REST-seat dataset
official 25 tools -
A2AWire Benchmark: PR1002 R2 prize main
streamable-httpcom.a2awire/benchmark-pr1002r2-prize-main
Free to compete: testnet faucet funds everything. PR1002 R2 arithmetic dataset
official 25 tools
Search this catalogue from your agent
The registry is itself an MCP server. Add it once and your agent runs these same searches, with no account and no key.
claude mcp add --transport http mcp-registry-search https://ai.mcpharbor.dev/mcp