cyanheads

Model Context Protocol (MCP) server designed for LLMs to interact with Obsidian vaults. Provides secure, token-aware tools for seamless knowledge base management through a standardized interface.

A Model Context Protocol (MCP) server for ATLAS, a Neo4j-powered task management system for LLM Agents - implementing a three-tier architecture (Projects, Tasks, Knowledge) to manage complex workflows.

Exploring the Model Context Protocol (MCP) through practical guides, clients, and servers I've built while learning about this new protocol.

A Model Context Protocol server for Git integration

Agent-native TypeScript framework for building MCP servers. Declarative definitions with auth, multi-backend storage, OpenTelemetry, and first-class support for Bun/Node/Cloudflare Workers.

Search PubMed/Europe PMC, fetch articles and full text (PMC/EPMC/Unpaywall), citations, MeSH terms via MCP. STDIO or Streamable HTTP.

Search ClinicalTrials.gov trials, retrieve study details and results, and match patients to eligible trials via MCP. STDIO or Streamable HTTP.

A Model Context Protocol (MCP) server for platform-agnostic file capabilities, including advanced search and replace, and directory tree traversal

MCP server that provides insightful feedback and guidance on various types of user requests

Store, query, and create YAML workflow playbooks for LLM agents via MCP. STDIO or Streamable HTTP.

An MCP (Model Context Protocol) server designed to interact with the ntfy push notification service. It enables LLMs and AI agents to send notifications to your devices with extensive customization options.

MCP server providing system, network, geolocation, generator, datetime, and security tools

mcp-reporter is a streamlined utility that generates comprehensive capability reports for Model Context Protocol servers, empowering developers to easily understand available functionality across their MCP servers ecosystem for both documentation and integration into other tools.

Access the OpenAlex academic research catalog - 270M+ publications through MCP. STDIO & Streamable HTTP.

Search the PubChem chemical database for compounds, properties, safety data, bioactivity, cross-references, and entity summaries via MCP. STDIO or Streamable HTTP.

A Model Context Protocol server for GitHub API integration

Query SEC EDGAR filings, XBRL financials, and company data through MCP. STDIO & Streamable HTTP.

A Perplexity API MCP server that unlocks Perplexity's search-augmented AI capabilities for LLM agents. Features robust error handling, secure input validation, and transparent reasoning with the showThinking parameter.

Render and push styled pixel art, text, dashboards, and animations to Divoom Pixoo LED displays on your local network via MCP. STDIO or Streamable HTTP.

Federated protein structure & annotation across experimental (PDB) and predicted (AlphaFold) models via MCP. STDIO or Streamable HTTP.

Geocode, reverse geocode, and run Overpass spatial queries on OpenStreetMap data via MCP. STDIO or Streamable HTTP.

Search and query CDC public health data — mortality, vaccinations, surveillance, behavioral risk (Socrata SODA API) via MCP. STDIO or Streamable HTTP.

Search EU legislation, CJEU case law, and treaties; traverse the CELLAR relationship graph; resolve EuroVoc concepts via MCP. STDIO or Streamable HTTP.

Search and query the Eurostat catalogue — EU economy, demography, trade, health, and NUTS regional data via MCP. STDIO or Streamable HTTP.

Browse Hacker News feeds, threads, and user profiles with full-text search via MCP. STDIO or Streamable HTTP.

Search arXiv, fetch paper metadata, and read full-text content via MCP. STDIO or Streamable HTTP.

Search and analyze global news coverage and US television transcripts via the GDELT Project's real-time APIs via MCP. STDIO or Streamable HTTP.

Query FDA data on drugs, food, devices, and recalls via openFDA. STDIO or Streamable HTTP.

Search and retrieve bioRxiv and medRxiv preprints — by DOI, date interval, or keyword — via MCP. STDIO or Streamable HTTP.

Access US federal award, recipient, agency, and spending analytics data from USAspending.gov via MCP. STDIO or Streamable HTTP.

Query 29,500+ World Bank development indicators for 200+ countries across 60+ years via MCP. STDIO or Streamable HTTP.

Search and fetch Wikidata entities, execute SPARQL queries, and resolve external identifiers via MCP. STDIO or Streamable HTTP.

Search NOAA CDO stations and datasets, fetch historical weather observations via MCP. STDIO or Streamable HTTP.

Resolve DOIs, search ~155M scholarly works, and fetch references via the Crossref REST API. STDIO or Streamable HTTP.

Search LOC digital collections, browse Chronicling America newspapers with full OCR text, and look up LC Subject Headings via MCP. STDIO or Streamable HTTP.

Access UN Comtrade international merchandise and services trade statistics — country lookups, HS commodity search, bilateral trade flows, balances, rankings, and data availability — via MCP. STDIO or Streamable HTTP.

Search the Metropolitan Museum of Art collection, fetch full artwork records and open-access images via MCP. STDIO or Streamable HTTP.

Search books and authors, fetch editions, browse subjects, and resolve cover images from Open Library via MCP. STDIO or Streamable HTTP.

A collaborative BrAPI v2.1 workspace for multi-agent research via MCP. Search studies, germplasm, genotypes, & more - across Breedbase, T3, Sweetpotatobase, & any BrAPI v2-compliant server.

Find air-quality monitoring stations and read measured pollutant observations (PM2.5, PM10, O3, NO2, SO2, CO, and more) from government monitors worldwide via the OpenAQ v3 API, with DataCanvas SQL over historical series.

Search and retrieve researcher profiles, works, affiliations, funding, and peer review records from the ORCID registry via MCP. STDIO or Streamable HTTP.

Access FEC campaign finance data through MCP. Query data about candidates, money trails, and election filings. STDIO & Streamable HTTP.

Query U.S. Census Bureau data, variables, and geography via MCP. STDIO or Streamable HTTP.

Search the Wayback Machine and IA library (40M+ items), fetch archived snapshots, retrieve item metadata and full text via MCP. STDIO or Streamable HTTP.

Look up genes, fetch sequences, predict variant consequences, find orthologs and cross-database xrefs via Ensembl REST via MCP. STDIO or Streamable HTTP.

Fetch METARs, TAFs, PIREPs, and domestic SIGMETs from the NWS Aviation Weather Center via MCP. STDIO or Streamable HTTP.

Search 14.5M Smithsonian Open Access objects across 20+ museums via MCP, and retrieve CC0 images for the 5.2M that carry openly-licensed media. STDIO or Streamable HTTP.

Search Wikipedia articles, read summaries and full text, target sections, find nearby pages, and list language editions via MCP. STDIO or Streamable HTTP.

Search, explore, and query 1,500+ OECD statistical datasets (national accounts, employment, trade, PISA, health) via SDMX via MCP. STDIO or Streamable HTTP.

Search and retrieve US court opinions, federal dockets, judge records, citation networks, and oral arguments from CourtListener's 9M+ opinion corpus via MCP. STDIO or Streamable HTTP.

Search fossil occurrences, resolve taxon fossil ranges, plot diversity through deep time, and look up the geologic time scale via MCP. STDIO or Streamable HTTP.

Browse and query the U.S. Energy Information Administration API v2 — electricity, petroleum, natural gas, coal, forecasts, and more via MCP. STDIO or Streamable HTTP.

Geocode places, fetch global weather forecasts, ERA5 historical climate, marine conditions, air quality, and terrain elevation via MCP. STDIO or Streamable HTTP.

Decode N-numbers to aircraft, engine, status, and owner, and search the US civil aircraft registry (FAA Releasable Aircraft Database) by owner, type, or state — offline and keyless over an embedded SQLite + FTS5 mirror, with fail-safe owner-PII redaction.

Query US Treasury national debt, interest rates, exchange rates, and 80+ fiscal datasets via MCP. STDIO or Streamable HTTP.

Search and explore 1.8M+ US nonprofits, fetch Form 990 financials, and access IRS filing history via MCP. STDIO or Streamable HTTP.

Query WHO Global Health Observatory data — 3,059 indicators across 194 member states with country, region, year, and sex filters via MCP. STDIO or Streamable HTTP.

Search Austrian consolidated federal & state law, court decisions, and the authentic Bundesgesetzblatt from the official RIS via MCP. Keyless. STDIO or Streamable HTTP.

Decode, search, validate, and crosswalk US medical codes — ICD-10-CM, ICD-10-PCS, HCPCS Level II, RxNorm — over a bundled offline index via MCP. STDIO or Streamable HTTP.

Search, browse, and read 75,000+ public-domain books from Project Gutenberg with full plain-text retrieval and offset/limit chunking via MCP. STDIO or Streamable HTTP.

Search and query government open-data portals (Socrata SODA API) via MCP. STDIO or Streamable HTTP.

Search, browse, and retrieve full article text from The Guardian's journalism archive (1999–present) via MCP.

Search Stack Exchange questions, fetch complete Q&A threads as clean markdown, browse tag FAQs, and look up user profiles via MCP. STDIO or Streamable HTTP.

Convert currencies, get FX rates, and query historical ECB exchange rate data via MCP. STDIO or Streamable HTTP.

Query FEMA disaster declarations, public assistance grants, housing aid, and NFIP flood insurance claims via MCP. STDIO or Streamable HTTP.

Query IMF SDMX 3.0 macroeconomic data — 193 dataflows, 190 countries, WEO projections, BOP, CPI, exchange rates, and national accounts via MCP. STDIO or Streamable HTTP.

Find NOAA tide stations and NDBC buoys, fetch tide predictions, water levels, tidal currents, and live buoy conditions via MCP. STDIO or Streamable HTTP.

Query NOAA SWPC space weather: geomagnetic storm scales, Kp index, aurora forecasts, solar wind, solar activity, and alerts via MCP. STDIO or Streamable HTTP.

Get live scores, schedules, standings, team and player data for NFL, NBA, MLB, NHL, soccer, and more via MCP. STDIO or Streamable HTTP.

Query real-time and historical water data from ~8,000 USGS stream gages and groundwater wells via MCP. STDIO or Streamable HTTP.

Look up Pokémon, moves, abilities, items, natures, and type matchups from PokéAPI v2 via MCP. STDIO or Streamable HTTP.

Real-time US-equity quotes, company fundamentals, earnings, analyst trends, and financial news via Finnhub. STDIO or Streamable HTTP.

Screen names against the consolidated OFAC, EU, UK, and UN sanctions lists and resolve legal entities against GLEIF, fuzzy-matched offline over a local SQLite + FTS5 mirror. A screening aid, not a compliance determination. MCP server.

Plan US National Park Service trips — find parks, check alerts and closures, find campgrounds, and browse things to do and events via the NPS Data API. STDIO or Streamable HTTP.

Vehicle safety data from NHTSA — recalls, complaints, crash ratings, investigations, VIN decoding.

Search movies, TV, and people on The Movie Database (TMDB) — credits, ratings, trailers, images, recommendations, and region-aware streaming availability via MCP. STDIO or Streamable HTTP.

Global food & agriculture statistics from the UN FAOSTAT bulk-download corpus, served from a local SQLite mirror with a DataCanvas SQL surface, over MCP. STDIO & Streamable HTTP.

Global transit data via the Transitland v2 registry — operators, GTFS/GTFS-RT/GBFS feeds with license terms, routes, stops, and real-time-aware departures via MCP. STDIO or Streamable HTTP.

Search UniProtKB by protein function, fetch curated records, map IDs across databases, and pull reference proteomes, taxonomy, and sequences via MCP. STDIO or Streamable HTTP.

Search and trace US federal rules across the Federal Register (proposed/final rules and notices), the eCFR (codified, point-in-time CFR full text, locally mirrored), and Regulations.gov (rulemaking dockets and public comments) via MCP. STDIO or Streamable HTTP.

Link compounds to protein targets, rank bioactivity (IC50/Ki/EC50), and look up drug mechanisms and indications over ChEMBL via MCP. STDIO or Streamable HTTP.

Render HTML/markdown to PDF, export rows to xlsx, and fill AcroForm PDFs via MCP. STDIO or Streamable HTTP.

Find EV charging stations worldwide by location and connector via the global Open Charge Map registry — full station detail, reference-ID resolution, and community reliability check-ins via MCP. STDIO or Streamable HTTP.

Search Jellyseerr/Overseerr, check availability, and create guarded media requests via MCP. STDIO or Streamable HTTP.

Search anime/manga, get full detail, franchise watch order, seasonal schedule, characters, rankings, and studio filmography via MCP. STDIO or Streamable HTTP.

Search posts, profiles, feeds, threads, and trending topics on Bluesky via MCP. STDIO or Streamable HTTP.

Ancestry allele frequencies, LoF constraint, variant lists, and coverage from gnomAD, joined with ClinVar clinical significance - via MCP. STDIO or Streamable HTTP.

Author verifiable eval records through a draft → review → revise → submit loop with server-enforced graders; compile to JSONL/CSV/Inspect/lm-eval via MCP. STDIO or Streamable HTTP.

Offline observational astronomy — planet and moon positions, rise/set, phases, eclipses, and seasons for any place and time via MCP. STDIO or Streamable HTTP.

Evaluate, simplify, and differentiate mathematical expressions via MCP. STDIO or Streamable HTTP.

Search, compare, and analyze U.S. college data — costs, earnings, programs, and outcomes — via MCP. STDIO or Streamable HTTP.

Look up domain registration, check availability, fetch DNS records, and resolve IPs and ASNs via RDAP and DNS-over-HTTPS via MCP. STDIO or Streamable HTTP.

Search and fetch ~800K Federal Reserve economic time-series from the FRED API via MCP. STDIO or Streamable HTTP.

Search USGS and EMSC seismic data — real-time feeds, event queries, and earthquake counts via MCP. STDIO or Streamable HTTP.

Search GBIF species taxonomy, occurrence records, datasets, and publishers via MCP. STDIO or Streamable HTTP.

Query stops, routes, real-time arrivals, vehicle positions, and schedules from OneBusAway transit APIs via MCP. STDIO or Streamable HTTP.

Search bills, legislators, committees, and events across all 50 US states, DC, and Puerto Rico via MCP. STDIO or Streamable HTTP.

Draft, test, and send Mailchimp campaigns straight from your MCP client — with audience management, subscriber CRUD, and post-send analytics behind safe-by-default send gates. STDIO or Streamable HTTP.

Fetch US Bureau of Labor Statistics data — CPI, unemployment, wages, JOLTS, and more via MCP. STDIO or Streamable HTTP.

Resolve airport codes (IATA/ICAO/GPS/local), search airports, find the nearest by coordinate, and look up runways, navaids, and radio frequencies from the bundled public-domain OurAirports dataset via MCP. STDIO or Streamable HTTP.

Market data for 15,000+ cryptocurrencies — prices, history, trends, and deep coin metadata via CoinGecko.

Look up US healthcare providers in the NPPES NPI registry and resolve NUCC specialty codes via MCP. STDIO or Streamable HTTP.

Passive external attack-surface mapping: CT subdomains, DNS, TLS, HTTP posture, RDAP/WHOIS, Shodan via MCP. STDIO or Streamable HTTP.

Search artists, releases, recordings, works, and labels; traverse relationships; resolve ISRC/ISWC/barcode; fetch cover art via MCP. STDIO or Streamable HTTP.

Real-time US weather data via the National Weather Service API. Forecasts, alerts, and observations with zero auth.

Lightweight coordination layer for multiple AI agents working on the same codebase simultaneously.

Fleet discovery MCP server — semantic search across a fleet of MCP servers with per-client install instructions and optional passthrough invoke.

Search and retrieve US consumer product recalls from the CPSC (Consumer Product Safety Commission) via MCP. STDIO or Streamable HTTP.

Check vendor status pages, inspect SSL/TLS certificates, verify DNS propagation, and get incident-response playbooks via MCP. STDIO or Streamable HTTP.

Look up food products by barcode, search by ingredient or nutrition filter, compare products side-by-side, and browse the canonical tag vocabulary via MCP. STDIO or Streamable HTTP.

Query OSV.dev for package vulnerabilities, batch-audit dependency lists, and fetch full advisory records via MCP. STDIO or Streamable HTTP.

Offline methodology engine and payload workshop for authorized penetration testing, CTF, security research, and education via MCP. STDIO or Streamable HTTP.

Look up countries, timezones, periodic table elements, physical constants, units, HTTP status codes, and MIME types via MCP. STDIO or Streamable HTTP.

Query WA highway conditions, ferry schedules, vessel locations, toll rates, border waits, and alerts via MCP. STDIO or Streamable HTTP.

Access EPA environmental data — facility compliance (ECHO), toxic releases (TRI), Superfund sites, drinking water systems, and real-time air quality (AirNow) via MCP. STDIO or Streamable HTTP.

Exposes the FBI Crime Data Explorer API — UCR crime estimates, NIBRS incident breakdowns, hate crimes, arrests, human trafficking, and agency participation data via MCP. STDIO or Streamable HTTP.

Access FCC broadband availability, coverage analysis, and digital divide data for US geographies and census blocks via MCP. STDIO or Streamable HTTP.

System clipboard access for MCP clients

macOS system controls, window management, and hardware state for MCP clients

Search and audit CVEs by keyword, severity, CWE, CISA KEV status, and CPE via the NIST National Vulnerability Database. STDIO or Streamable HTTP.

Search ReliefWeb humanitarian reports, disasters, jobs, training, and country profiles via MCP. STDIO or Streamable HTTP.

Search foods, compare nutrients, and look up the full USDA FoodData Central database via MCP. STDIO or Streamable HTTP.

Transform LLMs into intelligent interviewers. MCP server for conducting dynamic, conversational surveys with structured data collection. Features skip logic, session resume, multi-tenancy, and pluggable storage backends.

A Model Context Protocol (MCP) server for programmatic creation, modification, and compilation of structured LaTeX documents. Enables AI agents and automated workflows to generate reports, articles, and papers from templates, with secure, structured content updates and robust PDF compilation using LuaLaTeX and Biber.

A Model Context Protocol (MCP) server that provides intelligent web reading capabilities using the Jina AI Reader API. It extracts clean, LLM-ready content from any URL.