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Collection

Underrated Gems

Underrated Gems are skills that score high on our quality rubric but haven't accumulated the stars of the big-name projects. A stars-led ranking buries them; we surface them on quality. If a small builder ships something genuinely good, it belongs here.

Indexed
23
Avg score
8.2
Top platform
n8n Templates 11
Top industry
Software and SaaS 10

Top picks for underrated gems

3 / 23
LangChainTrusted
9.1

LangSmith SDK

Client SDK for tracing, evaluating, and monitoring LLM apps in LangSmith — works with LangChain or standalone.

Engineering and Developmentlangchain-ai
GPT
9.1

Nonprofit Grant Writer (Custom GPT)

Custom GPT that helps nonprofit administrators manage the grant-writing process end-to-end — funder research, proposal drafting, and reviewer prep.

Writing and ContentOpenAI GPT Store
MCP
9.0

Neon MCP Server

Official MCP server for the Neon serverless Postgres platform — manage projects, branches, and databases through the Neon Management API.

Data and Analysisneondatabase-labs
n8n
8.7

Company Policy Chatbot with RAG + Pinecone + OpenAI

Self-updating policy chatbot that ingests Google Drive docs into Pinecone and answers employee policy questions with citations.

Documents and OfficePramod Rathoure
n8n
8.5

Automate Social Posts across Twitter, LinkedIn and Facebook

Generates a daily post topic, writes copy with OpenAI, creates a matching image, and publishes to Twitter, LinkedIn, and Facebook automatically.

Communication and OutreachAbrar Sami
n8n
8.3

AI Email Triage and Auto-Response with OpenAI + Gmail

Classifies inbound Gmail into Sales, Support, Internal, Finance, or Promotions, then routes each to a specialized OpenAI agent.

Communication and OutreachAbdullahi Osman
Make
8.3

WhatsApp Auto-Reply with ChatGPT

Make scenario that watches WhatsApp Business Cloud events and uses ChatGPT to send personalized, context-aware replies back to the customer.

Communication and OutreachMake
Zapier
8.3

ChatGPT Responses for Google Forms into Google Sheets

Send each new Google Forms response to ChatGPT as a prompt, then log the AI reply in a Google Sheet for review.

Data and AnalysisZapier
n8n
8.3

Voice-Driven Travel Itinerary Generator with ElevenLabs, GPT-4o and Pinecone

Talk to an ElevenLabs voice agent and get back a personalized travel itinerary built from a Pinecone tour database and GPT-4o.

Creative and MediaMohan Gopal
n8n
8.2

AI Agent for Logistics Order Processing with GPT-4o

Reads inbound logistics order emails, extracts structured shipment data with GPT-4o, and writes it to Google Sheets for the warehouse team to action.

Communication and OutreachSamir Saci
n8n
8.0

Qualify Insurance Leads with Vapi, GPT-4 and Airtable

Auto-calls fresh insurance leads with a Vapi voice agent, qualifies them in conversation, then generates a personalized GPT-4 proposal and emails it.

Communication and OutreachHarvex AI
n8n
8.0

Asset Health and Predictive Maintenance with Claude and Slack

Coordinates specialist Claude agents over industrial asset telemetry, classifying findings into critical alerts, escalations, or routine maintenance.

Data and AnalysisCheng Siong Chin
Make
7.8

Summarize Gmail With OpenAI, Send to Slack

Summarize every new Gmail message with OpenAI and post the digest to a Slack channel.

Writing and ContentMake
n8n
7.8

Intelligent Purchase Order Generator with AI Supplier Selection

Selects the best supplier for each requisition on cost, lead time, and urgency, then drafts a PO with approval routing and full audit trail.

Productivity and AutomationJitesh Dugar
Copilot
7.5

Copilot Extensions Preview SDK (JS)

Official JavaScript SDK that handles request verification, response formatting, and prompt streaming for Copilot Extensions.

Engineering and DevelopmentGitHub copilot-extensions
n8n
7.5

List Properties with OpenAI Vision, WordPress and Airtable

Turns a folder of raw property photos into a full MLS-style listing — AI-written description, WordPress post, and Airtable record — in one pass.

Communication and OutreachJitesh Dugar
Copilot
7.2

Blackbeard Copilot Extension

Reference Copilot Extension that responds in the voice of Blackbeard the pirate — the canonical Hello World starter.

Engineering and DevelopmentGitHub copilot-extensions
LangChain
7.2

AutoRFP (LlamaIndex)

Next.js + LlamaIndex platform that automates RFP responses — extracts questions from incoming documents and drafts contextual answers from a knowledge base.

Writing and Contentrun-llama
Copilot
7.0

RAG Copilot Extension

Reference Go-based Copilot Extension demonstrating retrieval-augmented generation patterns over a custom corpus.

Engineering and DevelopmentGitHub copilot-extensions
MCPClaude SkillOther
7.0

kordoc

Comprehensive parsing and manipulation tool for Korean office documents with AI agent integration via MCP, supporting HWP, HWPX, PDF, XLSX, and DOCX formats.

Documents and Officechrisryugj

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