MCP server for US civic & property data — geocoding, census tracts, Opportunity Zones, ACS demographics, and FEMA flood zones, sourced entirely from free federal open data.

Ingests multiple JSON schemas into one schema, by resolving $ref property data. Will ingest absolute and relative references

Delete nested properties from an object using dot notation.

Define a lazily evaluated property on an object

tiny util for getting and setting deep object props safely

HTML and SVG DOM property configs used by React.

MCP server for Sedis property data — bolagsanalys of listed Nordic real estate companies and fastighetsbenchmarking of your own portfolio. Cleaned quarterly financials, substansrabatt/substanspremie, and market data via the Sedis PartnerAPI.

Returns an array of all enumerable symbol properties found directly upon a given object

Given an object and a property, replaces a property descriptor (or deletes it), and returns a thunk to restore it.

Declare a list of custom properties in a single at-property rule

The set of canonical Unicode property names supported in ECMAScript RegExp property escapes.

Define (or modify) an object property.

Test if an object has a specified property.

Ensure that reserved words are quoted in object property keys

Define a non-enumerable read-only property.

Property descriptor factory

This plugin transforms checks for a private property in an object

Allow parsing of '#foo in obj' brand checks

Compile Unicode property escapes in Unicode regular expressions to ES5.

Model Context Protocol server for Constellation 1 real estate APIs - provides comprehensive access to RESO standard property data, agent information, and market analytics