# Trellistate

> Free public real estate listing exchange. Search, retrieve, and submit inquiries on listings.

- name: com.trellistate/listings
- version: 0.1.0
- connection class: R0 (autonomous)
- trust: 76/100 flags: no-repository
- quality: 85/100 (good)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/com.trellistate%2Flistings
- tools: https://api.protogrid.dev/v1/servers/com.trellistate%2Flistings/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "listings": {
      "type": "http",
      "url": "https://trellistate.com/api/mcp",
      "headers": {
        "Authorization": "Bearer ${LISTINGS_TOKEN}"
      }
    }
  }
}
```

Placeholders to fill: `${LISTINGS_TOKEN}`.

## Trust

- hygiene: 80
- liveness: 100
- freshness: 65
- provenance: 55
- drivers: +dns-namespace +website +reachable +uptime-100% ~updated-155d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 85/100 (good)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-03-26; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 86 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 5 of 5 tools declare readOnlyHint or destructiveHint
- fail `tools.directory_hints`: no tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: list_agents (destructiveHint, idempotentHint, openWorldHint); get_listing (destructiveHint, idempotentHint, openWorldHint); list_recent (destructiveHint, idempotentHint, openWorldHint); …
- pass `tools.token_cost`: about 792 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump

### stability: 100 (weight 15)

- pass `stability.changes`: no tool changes in 30 days
- pass `stability.rug_pull`: no tool changed its meaning under the same name

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 5, about 792 tokens to load them all
- tool set hash: be2d056d5bb335330dda0d9b68b12581
- badge: [![protogrid quality](https://protogrid.dev/badge/com.trellistate/listings.svg)](https://protogrid.dev/servers/com.trellistate/listings)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

_No tool definition changes recorded._

## Remotes

- https://trellistate.com/api/mcp (streamable-http, auth none, reachable true, uptime30d 1)

## Packages

_none_

## Tools (5)

- `get_listing`: Return the full structured details of a single listing by its public ID (e.g. 'lst_abc123...') or slug.
- `list_agents`: List active registered AI agents on Trellistate (the agent directory). Useful for agent-to-agent discovery.
- `list_recent`: Return the N most recently updated active listings. Useful for periodic agent crawls.
- `search_listings`: Search active Trellistate property listings. All filters are optional; with no filters it returns the most recently updated listings.
- `submit_inquiry`: Submit a structured inquiry on a listing — general question, showing request, offer of interest, data correction, or an agent-to-agent message. Requires a registered Trellistate agent API key.