@pipeworx/blm-mining-claims

Connect: https://pipeworx.io/mcp — every tool in the catalog, including @pipeworx/blm-mining-claims’s. Install: one-click buttons

No MCP client? Skip the connection: POST https://gateway.pipeworx.io/v1/tools/search_packs {"query":"..."} to find a tool below, GET /v1/tools/<name> for its schema, POST the same URL with arguments for the data — see For AI agents.

Tools: 4

US federal mining claims from the Bureau of Land Management’s Mineral and Land Records System (MLRS): claims near a point or inside a box, one claim by case serial number, and claim counts by type and status around a site. Each result has the case serial, claim name, lode/placer/mill-site/tunnel-site type, status, recorded acres, the PLSS legal land description and a link to the MLRS case record.

Tools

• blm_claims_near(latitude, longitude, radius_km?, status?, claim_type?, limit?, after_object_id?): claims within a radius (max 50 km) of a point, with the total count in the radius. Each page is sorted by distance. Use it to see who has staked ground around a lithium, gold or uranium deposit.
• blm_claims_in_bbox(min_lat, min_lon, max_lat, max_lon, status?, claim_type?, limit?, after_object_id?): the same for a bounding box of up to 2° on a side.
• blm_claims_case(case_id): one case by MLRS serial (NV101474832) or legacy serial (NMC1018964). Returns type, status, acres, patented/excluded/conveyed flags, the parsed PLSS legal land description (meridian, township, range, section, aliquot part), the mapped bounding box, BLM’s mapping-quality log and the MLRS link.
• blm_claims_summary(latitude, longitude, radius_km?, status?): counts and total recorded acres by claim type and status within a radius.

status accepts open (default: every case not closed, including Active, Filed, Under Review and On Appeal), active (disposition exactly Active), closed or all. claim_type accepts lode, placer, mill_site or tunnel_site.

Auth

Keyless.

Data sources

• https://gis.blm.gov/nlsdb/rest/services/Mining_Claims/MiningClaims/MapServer: BLM MLRS mining-claim case layer (ArcGIS MapServer). Layer 0 holds every case, layer 1 holds cases that are not closed, and layer 2 holds closed cases. Each call queries the service live.
• https://mlrs.blm.gov/: the MLRS case record that mlrs_case_url opens.

Things the next person would otherwise rediscover:

• The geometry is not the staked boundary. BLM maps each case’s recorded Legal Land Description onto the PLSS cadastral grid, so a 20-acre lode claim appears as the aliquot part(s) it was recorded in. The QLTY score says how well the mapping worked. geometry_basis turns it into words: direct PLSS match, calculated, section-only, county-only, no geometry, or hand-edited by BLM.
• The layer has no location date, claimant names or claimant count. Those fields exist only in the MLRS case record. The tools say so in fields_not_in_layer rather than returning nulls.
• No as-of date is published. The service carries no editingInfo or documentInfo date, so data_as_of is the time of the live query and data_as_of_basis says that.
• orderByFields is very slow: 30–60 s against about 5 s without it, measured 2026-10-08. Rows come back in OBJECTID order, so paging uses an OBJECTID cursor (after_object_id → next_after_object_id).
• resultOffset is off by one on spatial queries. Offset 0 returns one row short, and offset k starts at row k−1. Paging by offset would repeat or skip a claim, which is why this pack uses the cursor instead.
• BLM_PROD capitalization varies (Lode Claim and LODE CLAIM both occur), so type filters match on UPPER(BLM_PROD) LIKE 'LODE CLAIM%', which also includes the ”– National Park” variants.

Tools

• blm_claims_near — US federal mining claims (BLM MLRS) within a radius of a latitude/longitude — e.g. claims staked around a lithium, gold or uranium deposit in Nevada, Arizona, Utah, Wyoming. Returns the total count in
• blm_claims_in_bbox — US federal mining claims (BLM MLRS) inside a latitude/longitude bounding box (up to 2° on a side). Returns the total count in the box and a page of claims: BLM case serial number, claim name, lode/pla
• blm_claims_case — One BLM mining claim by case serial number (MLRS, e.g. “NV101474832”) or legacy serial (e.g. “NMC1018964”): claim name, type, status, recorded acres, patented flag, the full PLSS legal land descriptio
• blm_claims_summary — Counts of US federal mining claims (BLM MLRS) within a radius of a point, broken down by claim type and status, with total recorded acres — how heavily staked is the ground around a deposit or project