rentalot-mcp: Instructions file for Claude Code

CLAUDE.md

rentalot-mcp CLAUDE.md is an instructions file for Claude Code from Rentalot-ai/rentalot-mcp. It costs 341 tokens per session, scanned A, original, MIT.

Project instructions for developing Rentalot's MCP server, which exposes a real-estate service's REST API to AI assistants. A REST API is a web interface that software uses to exchange data and perform actions.

In plain words
What is it for?
They are for building and testing Rentalot's TypeScript server locally, including its API client, property and contact tools, resources, and development commands.
Why use it?
They explain the private project's status, local setup, required credentials, architecture, and testing rules so development stays within the intended environment.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions Claude Code.

This is Rentalot-ai/rentalot-mcp's own configuration. It tells Claude Code how to work on rentalot-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything rentalot-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to Rentalot-ai/rentalot-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/Rentalot-ai/rentalot-mcp/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/Rentalot-ai/rentalot-mcp

Made for: Claude Code.

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Per session 341 This file is loaded in full into every session.
When invoked 341 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00341 $0.00341
Opus 5 $0.00170 $0.00170
Sonnet 5 $0.00068 $0.00068
Haiku 4.5 $0.00034 $0.00034

Measured 12d ago against content hash 388c24759bca, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

rentalot-mcp CLAUDE.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

CLAUDE.md · 34 lines

What it actually says

@rentalot/mcp-server

MCP server exposing the Rentalot REST API (65 tools) for AI assistants.

Project Status

  • Private repo — do not open-source or flip to public without explicit approval
  • No npm publish — Ariel handles publishing manually when ready
  • Local dev only — test against make dev at http://localhost:3000
  • Production waitlistedhttps://rentalot.ai is not live yet; do not target it

Dev Setup

bun run build        # compile TypeScript → dist/
bun run dev          # run with --watch (hot reload)
bun start            # run compiled dist/index.js

Requires env vars:

  • RENTALOT_API_KEY — API key from rentalot dashboard (Settings > API Keys, prefixed ra_)
  • RENTALOT_BASE_URL — defaults to https://rentalot.ai, override to http://localhost:3000 for local dev

Architecture

  • src/index.ts — entry point, registers all tools + resources, starts stdio transport
  • src/api-client.ts — thin HTTP client wrapping fetch with Bearer auth
  • src/tools/*.ts — one file per resource domain (properties, contacts, showings, etc.)
  • src/resources/api-docs.ts — MCP resource with full API reference markdown

Testing

The .mcp.json in the main rentalot repo points at this server's built dist/index.js for local testing with Claude Code against make dev.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 12d ago First seen · 34 lines · 341 tokens per session scan A 388c24759bca

Subscribe to this mod's changes

rentalot-mcp CLAUDE.md is an instructions file published in the GitHub repository Rentalot-ai/rentalot-mcp (1 stars, last pushed 5mo ago), licensed MIT. It adds 341 tokens to every session, about $0.0017 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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