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Leie

NPM · @PIPEWORX/MCP-LEIE · 2 COMPONENTS

HHS OIG List of Excluded Individuals/Entities (LEIE) — provider exclusion screening.

+3 this week 82 Trust /100

Last scanned (10 hours ago)

Scores higher than 72% of npm servers

Category Health and Science

Trust breakdown (7 categories)

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. How we score → Why this is hard to score →

Supply Chain Security100
  • No malware found by supply-chain analysis.Pass
  • No known CVEs affecting this package version or its production dependencies.Pass
  • No install/post-install scripts declared.Pass
  • No production dependencies, so there is no dependency health to assess. View diagnostics → Pass
Provenance & Transparency97
  • Source repository is publicly reachable at the declared URL. View diagnostics → Pass
  • Cryptographically verified build provenance (signed, bound to pipeworx-io/mcp-leie). View diagnostics → Pass
  • Clear OSI-approved license (MIT).Pass
  • Actively maintained (last published 2 days ago).Pass
  • Disclosure check failed: no security disclosure policy was found in the source repository. See how to fix → Fail
Schema Quality & AI Usability63
  • AI-judged instruction clarity (good).Pass
  • Context-footprint check failed: tool/resource definitions use about 493 tokens (~246/item across 2 items; 2 tools + 0 resources), over budget; trim descriptions and params. See how to fix → Fail
  • Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management23
  • Stability observed for 7 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage100
  • 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
  • 100% of tool parameters carry a description.Pass
Tool Safety100
  • No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
  • We read all 2 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
  • An AI judge read all 3 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
  • Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
Changelog

Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.

  • 4 Nov 26 +1

    No change was recorded against any check on this day. Stability & Change Management went from 17 to 20. That category is still filling its 30-day observation window: 5 days of observed history at the previous scan, 6 at this one. The score rises as the window fills, whether or not the server changes.

  • 3 Nov 26 +15
    • Malware scan: unverified → pass ▲ security
  • 2 Nov 26 −13
    • Malware scan: pass → unverified ▼ security
    • Stability: unverified → 0.13 ▲ functional
    • Package version: 0.2.0 → 0.2.1 functional
  • 29 Oct 26 79

    First indexed and scored.

Diagnostics

Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.

Captured 5 Nov 2026 · Analysed npm/@pipeworx/mcp-leie@0.2.1

Provenance Verified

A signed build attestation was found and verified, binding this exact artifact to the source repository it claims to come from.

Result Verified
Ecosystem npm
Reason Verified
Discovered via Registry attestation endpoint
Source repo pipeworx-io/mcp-leie
Certificate issuer https://token.actions.githubusercontent.com
Certificate SAN https://github.com/pipeworx-io/mcp-leie/.github/workflows/publish.yml@refs/heads/main
Rekor log index 3649668123
Predicate type SLSA build provenance https://slsa.dev/provenance/v1
Subject digest sha512:c991dfe3c5da8c56361168f1caa1a3e109d23c4a0f1a470c0067f296df2a6c908b35ce6ce01eeb6b1101c4740ba0b11e6dacb6fbe853f72c880a92d17

Background: How many MCP packages publish verified provenance →

Dependencies 0 packages
Packages resolved 0
Tree resolution Complete

Background: SBOMs and build attestations, explained →

MCP tools · 2 exposed · ~441 tokens

The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →

Tool Tokens
check_provider_exclusion ~330

Is this healthcare provider barred from Medicare, Medicaid and other federal health programs? Screens a person or business name — or an NPI — against the HHS OIG List of Excluded Individuals/Entities, the list you are required to check before paying, employing or contracting with a provider. Answers "is Dr X excluded", "check this provider against the OIG exclusion list", "has this practice been barred from Medicare", and pre-payment or credentialing screening. Returns matching exclusions with the date of birth, state, city, specialty and NPI that tell same-named people apart, plus when the exclusion started and the statutory reason for it, and a match_confidence saying what was actually matched. Never returns a bare yes/no: several excluded people can share a name, so identifying the right one is the caller's job and this gives them what they need to do it. Pass npi to turn a name lead into an identification. Sourced from HHS OIG.

NameTypeReqDescription
limitnumber–Maximum candidates to return (default 10, max 50).
namestring–Provider or business name to screen, e.g. "John Smith" or "Acme Home Health". Any order; surname-first works too.
npistring–The provider's 10-digit NPI, if you have it. An NPI match is an identification rather than a name lead — always pass it when known.
statestring–Two-letter state code to narrow candidates, e.g. "CA". Useful when a common name returns several people.

No output schema declared.

No examples provided.

provider_exclusion_coverage ~111

What the provider-exclusion data covers and how current it is: how many exclusions are held, the split between individuals and businesses, how many carry an NPI or a date of birth, the oldest and newest exclusion dates, and when the copy was last refreshed. Use to check the screening data is fresh enough to rely on before a compliance decision, and to understand why some candidates cannot be disambiguated by NPI. Sourced from the HHS OIG exclusions file, republished monthly.

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

Install

How do I install the Leie MCP server?

Leie runs locally as an npm package, launched with npx -y @pipeworx/mcp-leie. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

npm · @pipeworx/mcp-leie

# add to Claude Code
claude mcp add pipeworx-io-leie -- npx -y @pipeworx/mcp-leie
Common questions

What is the Leie MCP server?

Leie is an MCP server listed in the public MCP registry as io.github.pipeworx-io/leie. HHS OIG List of Excluded Individuals/Entities (LEIE), provider exclusion screening. This page covers its npm package (@pipeworx/mcp-leie).

Is the Leie MCP server safe to use?

Leie scores 82 out of 100 on VerifyMCP. We found no known CVEs affecting it as of 5 November 2026. It declares no install or post-install scripts. Its build provenance is signed and verified. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.

What tools does the Leie MCP server expose?

Leie exposes 2 tools: check_provider_exclusion, provider_exclusion_coverage. Their descriptions and schemas cost roughly 441 tokens of context every time the server is loaded.

Is the Leie MCP server still maintained?

Leie is still listed as active in the MCP registry. We last reached this channel on 5 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.

What licence is the Leie MCP server under?

Leie declares the MIT licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.