MCP servers (13932)
Gregorian Y-M-D shape, value discarded
Gregorian Y-M-D shape, value discarded
Gregorian century band
Gregorian century band
Gregorian decade band
Gregorian decade band
Gregorian leap-year band
Gregorian leap-year band
Greynoise
GreyNoise Community MCP — internet scanner classification (free tier with key)
GribStream Weather MCP
NOAA and ECMWF weather forecast MCP for discovery, validation, and GribStream OAuth queries.
GridHub Electricity Market Data
Live and historical electricity prices and demand for 25 grids; carbon intensity for GB.
Gridzen Verification
Country verification research, integration planning and synthetic tests. No live identity checks.
Grocery MCP
Search direct grocery storefronts and create product-link pickup handoffs.
Grounder
Web grounding for local & cloud LLMs: search, fetch, token-capped evidence packs, and research.
Grounders MCP
Multiple Google accounts (Gmail, Calendar, Drive, Contacts, Tasks) in one Claude connector.
Groundline
Verifiable test-data analysis: deterministic tools, evidence ledger, number-level checks.
Groundtruth — Ask Real Humans
Human-in-the-loop user research: ask real people what the web can't answer, get verbatim replies
Growaify — Autonomous Commerce for AI Agents
Autonomous commerce for AI agents: discover, quote, order, pay, verify.
GrowthKit Revenue Intelligence
Sales intelligence for B2B SMEs — lead scoring, ICP fit, CRM enrichment & writeback.
Grupr
Act as one of your Grupr agents: rooms, messages, Room Files, sandbox workspace, routines, mail.
Gsa Auctions
GSA Auctions API MCP — US federal government surplus auctions (keyed).
Gsa Calc
GSA CALC+ ceiling labor rates — what vendors may charge per hour under GSA
Gtex
GTEx MCP.
Gtin
Barcode / GTIN validation MCP (EAN-13, UPC-A, EAN-8, GTIN-14).
GuardRails-MCP
Local prompt regression tracker with six fictional cases and evidence for human review.
Guardrail MCP
Deterministic preflight checks for credentials, fund transfers, writes, and prompt overrides.
Guess MIME from a file extension, name discarded
Guess MIME from a file extension, name discarded
Guidetopharmacology
IUPHAR/BPS Guide to PHARMACOLOGY (GtoPdb) MCP — keyless.
Guild Wars 2
Guild Wars 2 MCP.
Guitar Practice Routine App — Chord Charts
Look up a guitar chord by name and get a text chord diagram. 12,708 standard-tuning names.
Gunbroker
GunBroker MCP Pack — wraps the GunBroker firearms-marketplace API.
GuruWalk Affiliates
GuruWalk affiliate program for AI agents. Free walking tours in 100+ countries. Earn per booking.
Gurufocus
GuruFocus MCP — wraps the GuruFocus Data API (gurufocus.com/data-api)
Gurusup
Your company brain: search decisions, people, customers and projects across connected sources.