Developer Tools MCP Servers

NOAA and ECMWF weather forecast MCP for discovery, validation, and GribStream OAuth queries.

Gwinnett County, GA zoning and land use. Resolves an address to its governing jurisdiction.

GW1 build compiler: skill data, template code encode/decode, validation, hero roster. Read-only.

Search direct grocery storefronts and create product-link pickup handoffs.

Austrian energy data: 100+ electricity tariffs daily, grid fees, subsidies, bill analysis.

Manage TTRPG campaigns: NPCs, locations, factions, quests, sessions, lore, and knowledge graphs.

Sales intelligence for B2B SMEs — lead scoring, ICP fit, CRM enrichment & writeback.

US H-1B visa sponsorship, LCA wages & top sponsors by role — recruiting/talent data

GSA Auctions API MCP — US federal government surplus auctions (keyed).

Barcode / GTIN validation MCP (EAN-13, UPC-A, EAN-8, GTIN-14).

Search 12,338 curated, SAMHSA-sourced addiction treatment facilities across all 50 US states.

Validate Indian GSTINs locally (Verhoeff), extract PAN, identify issuing state.

Free calculators as MCP tools: finance, taxes, health, units, dates. Search, fetch & compute.

IUPHAR/BPS Guide to PHARMACOLOGY (GtoPdb) MCP — keyless.

GWAS Catalog (EBI/NHGRI) MCP — curated catalog of genome-wide association studies.

GSA Per Diem MCP — wraps the GSA Per Diem API v2 (api.gsa.gov)

GunBroker MCP Pack — wraps the GunBroker firearms-marketplace API.

Guild Wars 2 keyless public endpoints (worlds, items, achievements, build, commerce).

GTEx — Genotype-Tissue Expression human gene-expression atlas

GreyNoise Community MCP — internet scanner classification (free tier with key)

Greenhouse MCP Pack — wraps the Greenhouse Harvest API v1

Manage deep links, attribution, analytics, and campaigns on Grovs — open-source Branch alternative.

Gutendex MCP — wraps Gutendex API for Project Gutenberg books (free, no auth)

GBIF MCP — wraps the Global Biodiversity Information Facility API v1 (free, no auth)