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42 tools, one connection.

This is what an AI agent can do once it is connected to the Vlada MCP server: query and join the US healthcare public record, with the source file, its vintage and a replayable hash on every answer. Each tool page shows its inputs, how to call it over MCP or REST, what comes back, the sources behind it, and its known limits, exactly as the server describes itself to the agent.

Medicare Advantage, Part D, Medicaid 10

get_enrollmentv0.2.0 · L2 · needs contract_id
Returns CMS monthly enrollment for a Medicare Advantage plan or contract: the member count, the trend over time, and, at contract level, the MA-only vs Part-D split, plus org/parent and plan type.
get_hosv0.2.0 · L2 · needs contract_id
Returns a Medicare Advantage contract's CMS Health Outcomes Survey (HOS) rates across the four survey topics (fall_risk_management, urinary_incontinence, osteop
get_landscapev0.2.0 · L2 · needs contract_id
Returns the CMS Landscape view of a Medicare plan: monthly consolidated premium, in-network MOOP, overall star rating, plan type, and the county/state service-area breadth.
get_market_sharev0.2.0 · L2 · needs contract_id
Returns a Medicare Advantage plan's or contract's county-level enrollment and its SHARE of the local MA market: for each county, the plan's enrollees, the count
get_medicaid_mco_enrollmentv0.1.0 · L2 · needs state
Returns Medicaid managed-care enrollment for ONE state: the annual CMS 'Enrollment by Program and Plan' roster (each managed-care program x plan with SEPARATE M
get_pbp_benefitv0.3.0 · L2 · needs contract_id, plan_id, payment_year, category
Returns Plan Benefit Package (PBP) benefit detail for an MA plan for a specific category (dental, inpatient_hospital, ER, etc.).
get_starsv0.2.0 · L2 · needs contract_id
Returns a Medicare Advantage contract's CMS Star Ratings: the Overall, Part C, and Part D summary stars for a rating year, each with the year-over-year change vs the prior year.
get_stars_cutpointsv0.1.0 · L2 · needs rating_year
Returns CMS-published per-measure star-level cutpoints (threshold boundaries) for a rating_year.
medicare_allowedv0.1.0 · L2 · needs billing_code
Returns the Medicare allowed amount for ONE billing code (CPT/HCPCS, or an MS-DRG for inpatient) from every Medicare fee schedule that prices it: PFS (professio
prove_ma_enrollment_trendv0.1.0 · L2 · needs parent_org, year_range_start, year_range_end
Execute a bounded MA enrollment-trend proof.

Hospital price transparency 5

Commercial payer rates 8

get_exchange_plan_profilev1.0.0 · L2
One ACA Marketplace (healthcare.gov / HIX) plan's profile for a plan year, every field tagged with the CCIIO PUF it came from.
get_negotiated_ratev2.1.0 · L2 · needs npi, code, payer
Get the negotiated rate a specific payer pays a specific NPI for a specific billing code, in a state.
lookup_rates_for_npiv1.1.0 · L2 · needs payer, npi, state
Look up the negotiated rates a payer pays a specific provider (NPI), resolved at query time through the canonical graph: NPI → provider groups → pg_sets → rates (no precomputed edge table).
lookup_rates_for_tinv1.1.0 · L2 · needs payer, tin, state
Look up the negotiated rates a payer attaches to a tax entity (TIN/EIN), resolved at query time through the canonical graph: TIN → provider groups (idx_tin_provider_group) → pg_sets → rates.
plan_commercial_price_proofv1.3.0 · L2 · needs payer, version_id
Dry-run a bounded commercial fact_rate proof.
prove_commercial_pricev1.3.0 · L2 · needs payer, version_id
Execute a bounded commercial fact_rate price proof and return rate summary values plus a receipt with source snapshot, filters, row count, caveats, input hash, response hash, and replay pointer.
query_substratev1.1.0 · L1 · needs sql
Run a read-only SQL SELECT directly over the Vlada cost-data substrate (Athena/Iceberg) and get the rows back, with provenance.
replay_commercial_price_proofv1.3.0 · L2 · needs receipt
Replay a commercial price-proof receipt by re-running its recorded tool inputs and comparing response hash, Iceberg snapshot, plan hash, status, and row count.

Provider identity 1

Drugs and formularies 8

Curated datasets 10

Served surface as of the 2026-09-19 build · machine-readable catalog · schemas without auth at https://api.vladahealth.com/v1/tools · every answer traced to its public source.