mcblmplss

FastMCP server for querying BLM (Bureau of Land Management) land data by coordinates.

Features

• PLSS - Public Land Survey System (Section, Township, Range)
• Surface Management - Who manages the land (BLM, Forest Service, NPS, Private, etc.)
• Mining Claims - Active and closed mining claims from MLRS database

Installation

# Run directly with uvx
uvx mcblmplss

# Add to Claude Code
claude mcp add blm-land "uvx mcblmplss"

Tools

PLSS (Public Land Survey System)

Tool	Description
get_plss_location	Get Section/Township/Range as human-readable text
get_plss_details	Get full PLSS data as structured object

> get_plss_location(40.0, -105.0)

Section 9, Township 1N, Range 68W, 6th Meridian
State: CO
PLSS ID: CO060010S0680W0SN090

Surface Management Agency

Tool	Description
get_land_manager	Determine who manages the land
get_land_manager_details	Get full SMA data as structured object

> get_land_manager(38.5, -110.5)

Bureau of Land Management (BLM) - Department of the Interior
Unit: Bureau of Land Management
State: UT
Status: Federal, Public land

Mining Claims

Tool	Description
get_mining_claims	Find mining claims at/near location
get_mining_claims_details	Get full claim data as structured objects

> get_mining_claims(39.5, -117.0)

Found 42 mining claim(s):

MAGA #6
  Serial: NV105221817
  Type: Lode Claim
  Status: Active
  Acres: 20.66
...

Coverage

Data available for 30 western/midwestern states where federal land surveys were conducted. Not available for eastern seaboard states or Texas (different survey systems).

Data Sources

All data queried from official BLM ArcGIS REST services:

• BLM National PLSS
• Surface Management Agency
• Mining Claims (MLRS)

Architecture

Uses FastMCP's mixin pattern for composable tool modules:

src/mcblmplss/
├── server.py          # Main FastMCP server
├── client.py          # Shared BLM API client
└── mixins/
    ├── plss.py        # PLSS tools
    ├── surface_management.py  # SMA tools
    └── mining_claims.py       # Mining claims tools