Obsidian GitHub
Connect AI assistants to your GitHub-hosted Obsidian vault to seamlessly access, search, and analyze your knowledge base. Enable intelligent retrieval of notes, track the evolution of your ideas, and integrate project management workflows. Enhance productivity for knowledge workers, developers, and academics by bridging your Obsidian notes with AI capabilities.
Prompt Quality Score - PQS
PQS is the fastest way to get better output from any AI model.
Score any prompt before it hits the model. Get a grade (A-F), score out of 80, percentile, and dimension breakdown across 8 quality dimensions. Built on PEEM, RAGAS, MT-Bench, G-Eval, and ROUGE frameworks. Pre-flight, not post-hoc.
The AI input quality problem is real. PQS solves it.
MCP Tools:
- score_prompt: Free. Returns grade (A-F), score out of 80, percentile, and full 8-dimension breakdown. No API key needed.
- optimize_prompt: $0.025 USDC. Returns a rewritten, higher-scoring version of your prompt with before/after dimension deltas.
HTTP API (x402-native on Base):
- /api/score/free: Free. Grade, percentile, and 8-dimension breakdown. No payment required.
- /api/score: $0.025 USDC. Single score, pay-per-call.
- /api/score/full: $0.125 USDC. Grade, percentile, dimension breakdown, and rewrite.
- /api/score/batch: $0.25 USDC. Score multiple prompts in a single call.
- /api/preflight: $0.05 USDC. Lightweight pre-flight quality check.
Paste a prompt. Get an optimized version. Ship better work.
Cheaper than one bad prompt.
https://promptqualityscore.com
Estaite - US Rental Market Data
**Current US rental market data for AI agents.** 1,500+ submarkets across the largest US metros, monthly-refreshed rent / vacancy / affordability / trends. Every response includes a citation back to the source — no hallucinated rent numbers.
### What you can build
- **Market research agents** — *"compare 2BR rents in Austin vs Nashville"* with current, cited data
- **Investment underwriting bots** — evaluate cap rates, rent growth, and vacancy across hundreds of submarkets in one conversation
- **PropTech AI features** — drop into tenant portals, brokerage tools, or CRM enrichment so your agent suddenly knows real estate
### Free tier
**1,000 calls / month, no credit card required.** Get an API key at [estaite.com/developers](https://estaite.com/developers).
13 tools across discovery, single-submarket analysis, comparison & ranking, and geographic queries. Streamable HTTP, MCP 2025-03-26.