mcp
Sorted by GitHub stars, which measures attention rather than fitness. Read the release date and the commit count next to it before picking one.
| Tool | Stars |
|---|---|
Grants.gov MCP — open federal grant opportunities (free, no auth) no licence · released 2026-05-11 | n/a |
Persistent knowledge-graph memory for AI agents, with local semantic search. No API keys. no licence · released 2026-07-21 | n/a |
Search Apollo docs, specs, and best practices no licence · released 2026-08-03 | n/a |
Structural memory for coding agents: callers, callees, blast radius and symbols over MCP. no licence · released 2026-06-05 | n/a |
Dev intelligence layer: 7 MCP tools for graph-powered codebase reasoning. no licence · released 2026-03-16 | n/a |
Graph-powered codebase reasoning, impact analysis, and governance tools over MCP. no licence · released 2026-07-31 | n/a |
Codebase analysis: dependency graphs, security scanning, and refactor plans for GitHub and GitLab. no licence · released 2026-07-17 | n/a |
Search public Gravity AI UI drafts and generate Gravity UI interface payloads. no licence · released 2026-05-26 | n/a |
Persistent agent memory as a single Go binary: knowledge graph, TUI observability, zero infra. no licence · released 2026-08-27 | n/a |
Query logs from Graylog: get streams, search messages, aggregate, and get full data. no licence · released 2026-07-17 | n/a |
Shared memory and actions for Claude, Kiro, OpenAI, Cursor, and other MCP-compatible AI clients. no licence · released 2026-09-04 | n/a |
Run user research from any AI tool. Create studies, recruit participants, query insights. no licence · released 2026-05-08 | n/a |
Greece myDATA invoices for AI agents: build AADE XML, transmit to myDATA, query by MARK. no licence · released 2026-07-09 | n/a |
Greece payments for AI agents — cards / Apple Pay via Stripe. Never holds funds. no licence · released 2026-07-09 | n/a |
MCP gateway for WhatsApp via Green API: messaging, contacts, groups and instance management. no licence · released 2026-07-17 | n/a |
Read-only catalog for Green Gooding — NYC peer-to-peer rental marketplace. no licence · released 2026-05-19 | n/a |
US plug-in solar (balcony solar) law registry with a daily UL 3700 certification watch. no licence · released 2026-08-26 | n/a |
Greenhouse MCP Pack — wraps the Greenhouse Harvest API v1 no licence · released 2026-04-22 | n/a |
Production-ready MCP server for Greenhouse with 175 tools for recruiting teams no licence · released 2026-04-14 | n/a |
Search the Greenlit AI books, read any chapter one free, and look up the terms they define. no licence · released 2026-09-02 | n/a |
Run Hansl/Gretl econometrics workflows via MCP with GUI launch and artifacts. no licence · released 2026-05-15 | n/a |
GreyNoise Community MCP — internet scanner classification (free tier with key) no licence · released 2026-05-11 | n/a |
NOAA and ECMWF weather forecast MCP for discovery, validation, and GribStream OAuth queries. no licence · released 2026-08-18 | n/a |
The Agent Economy. AI agents register businesses, find customers, and transact. no licence · released 2026-04-09 | n/a |
Electricity grid carbon intensity for Great Britain from the National Grid ESO Carbon Intensity API no licence · released 2026-09-05 | n/a |
Live and historical electricity prices and demand for 25 grids; carbon intensity for GB. no licence · released 2026-08-29 | n/a |
Gridproof your UI — automated spacing & grid QA in the agent loop (MCP server). no licence · released 2026-08-13 | n/a |
Virtual try-on and on-model AI fashion photography: catalog search, try-on grids, HD delivery. no licence · released 2026-08-13 | n/a |
SEO toolkit for Quebec sites: audits, Google.ca rankings, keywords, AI-search visibility. no licence · released 2026-09-01 | n/a |
Austrian energy data: 119 electricity tariffs daily, grid fees, subsidies, bill analysis. no licence · released 2026-08-30 | n/a |
AU price comparison via MCP — search, compare, track. 6 tools; anonymous demo (30/day/IP). no licence · released 2026-05-23 | n/a |
Campaign manager for D&D and TTRPG GMs: your AI reads and writes a live typed campaign database. no licence · released 2026-09-05 | n/a |
Create, publish and track sales funnels and Sites with custom domains from any MCP agent. no licence · released 2026-08-13 | n/a |
Unofficial read-only client for the mein-aldi.de (ALDI Süd) grocery-delivery catalog. no licence · released 2026-07-10 | n/a |
Search direct grocery storefronts and create product-link pickup handoffs. no licence · released 2026-08-04 | n/a |
Run the Grok Build CLI as MCP tools: agent runs with live progress, code review, web research. no licence · released 2026-08-20 | n/a |
Persistent project context for xAI Grok. IANA-registered .faf format. no licence · released 2026-08-20 | n/a |
Post & schedule to 32+ networks: X, Facebook, Instagram, Threads, LinkedIn, TikTok, YouTube, Reddit. no licence · released 2026-07-31 | n/a |
Federal environmental records near any US location, with dates and provenance; never a safety score. no licence · released 2026-08-26 | n/a |
Two independent AI models read a GPR, locate or pipe scan and flag the do-not-core call. no licence · released 2026-07-26 | n/a |
Verify multi-hop relational claims before an agent asserts them — zero tokens, with proof paths. no licence · released 2026-07-06 | n/a |
Web grounding for local & cloud LLMs: search, fetch, token-capped evidence packs, and research. no licence · released 2026-08-13 | n/a |
Multiple Google accounts (Gmail, Calendar, Drive, Contacts, Tasks) in one Claude connector. no licence · released 2026-09-03 | n/a |
Search, read and research the web, with hidden text stripped by default and sources hashed no licence · released 2026-09-08 | n/a |
Cited web search for MCP hosts. Returns source-bearing results from Groundlink. no licence · released 2026-08-22 | n/a |
Manage deep links, attribution, analytics, and campaigns on Grovs — open-source Branch alternative. no licence · released 2026-04-14 | n/a |
Build and manage GrowSurf referral and affiliate programs through AI assistants. no licence · released 2026-08-25 | n/a |
Build, edit and sync Google, Microsoft, Reddit and Meta ad campaigns from your assistant. no licence · released 2026-08-09 | n/a |
Sales intelligence for B2B SMEs — lead scoring, ICP fit, CRM enrichment & writeback. no licence · released 2026-07-22 | n/a |
SEO + GEO tools in your AI editor: scan as ChatGPT and Google crawlers see it, fix order, llms.txt. no licence · released 2026-09-07 | n/a |
Danish address & property lookup: BBR, Matriklen, DAR, CVR. A DAWA/Datafordeler-compatible source. no licence · released 2026-08-20 | n/a |
Publish and manage shareable Markdown/HTML docs from any AI assistant. Free with a Gryz account. no licence · released 2026-08-27 | n/a |
GSA Auctions API MCP — US federal government surplus auctions (keyed). no licence · released 2026-07-02 | n/a |
GSA Per Diem MCP — wraps the GSA Per Diem API v2 (api.gsa.gov) no licence · released 2026-06-07 | n/a |
GTEx — Genotype-Tissue Expression human gene-expression atlas no licence · released 2026-05-18 | n/a |
Barcode / GTIN validation MCP (EAN-13, UPC-A, EAN-8, GTIN-14). no licence · released 2026-07-01 | n/a |
Security gate for agent-driven WhatsApp: allowlist, secret scan, rate limit, audit log. no licence · released 2026-06-29 | n/a |
Deterministic recipe verification engine — validates AI-generated recipes against master SOPs. no licence · released 2026-02-27 | n/a |
Deterministic preflight checks for credentials, fund transfers, writes, and prompt overrides. no licence · released 2026-09-06 | n/a |
Guatemala payments for AI agents — cards (Recurrente) via Recurrente. Never holds funds. no licence · released 2026-07-09 | n/a |
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