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Data Aggregator

io.github.musharna/data-aggregator-mcpv0.45.3Other

Find & fetch research datasets across 17 archives, omics registries, and literature sources.

The current version, v0.45.3, was published to the official MCP registry on 2026-07-28. It is distributed as data-aggregator-mcp on PyPI, filed under Other by this index, and declares 12 environment variables. Removals and unreachable sources are measured across every server this index tracks, contract drift across the servers that answer in consecutive snapshots; the index's current counts put this record in context.

In-path gate · all MCP tools

Using Data Aggregator in Claude, Cursor, Gemini CLI, Cline, or Zed?

MCP tool contracts can change remotely with no version bump. The mcpindex gate pins each contract and HOLDs the call when it drifts-before your agent acts. Zero credentials. This is not the package install for this server itself (use Install this server for that).

Install the mcpindex gate (one command)

Rewrites your MCP host config so each server launches behind the gate. Inspect first: curl -fsSL https://mcpindex.ai/install.sh | less

uv tool install mcpindex-gate && mcpindex-config-wire
Auditable install path →Watch it hold a drift →
Trust verdict · v1 advisory · method
REVIEWstatus: PARTIALfresh until 2026-09-05 15:06 UTC
screened 2026-07-29tier: scannedgranularity: description-levelsource: registry

Semantic screen found no manipulation pattern in the description. Conformance probe not yet run.

mcpindex.integrity.descriptionpassINFO

evidence“Describes declared capability”via static_description

Limits of this verdict
  • - Semantic screen only - the deterministic conformance probe has not run on this server
  • - Confidence is reported but not yet calibrated (v1)
  • - Screen reads the tool description, not the live behavior
  • - advisory
  • - registry description only no input schema
  • - Still current: the description we screened is unchanged, re-checked against the registry

Semantic screen: an LLM judge reads the tool description for hidden instructions (status PARTIAL). A pass means the description is not lying, not that the tool is safe: a high-capability tool with an honest description still warrants caution. The deterministic conformance probe has not been run on this server yet, so the screen here is semantic-only. Posture: advisory. Confidences are reported but not yet calibrated (calibrated=false at v1). Full verdict history is not shown on this page.

Own this server? Screen its description →

That verdict was true at screening time (snapshot 2026-08-29).

Contracts can change after screening, with no version bump. The gate pins Data Aggregator’s tool contracts on first sight and holds any silent change before your agent acts - the check that keeps being true on Tuesday.

See your first HOLD in 2 minutes →

Related: how to trust an MCP server · screen before install · silent contract drift

Cite this record

People vet a server before wiring it in. One line on your project site or docs answers that with an independent record: screening verdict, registry provenance, contract drift history. It stays current as new screens and drift events land.

Markdown
[Independent trust record for Data Aggregator](https://mcpindex.ai/server/io-github-musharna-data-aggregator-mcp) - screening verdict, registry provenance, and contract drift monitoring.
HTML
<a href="https://mcpindex.ai/server/io-github-musharna-data-aggregator-mcp">Independent trust record for Data Aggregator</a> - screening verdict, registry provenance, and contract drift monitoring.
Embed this badge

A live verdict badge for your README or listing. It reflects the current screen, links back here, and updates when the verdict does.

Markdown
[![mcpindex](https://mcpindex.ai/api/v1/badge/io-github-musharna-data-aggregator-mcp)](https://mcpindex.ai/server/io-github-musharna-data-aggregator-mcp)
HTML
<a href="https://mcpindex.ai/server/io-github-musharna-data-aggregator-mcp"><img src="https://mcpindex.ai/api/v1/badge/io-github-musharna-data-aggregator-mcp" alt="mcpindex verdict" height="20" /></a>
Environment variables
NCBI_API_KEY
secret

Optional NCBI E-utilities API key; raises the rate limit 3->10 req/s for omics, literature, and taxonomy lookups.

LLM_API_BASE

Base URL of an OpenAI-compatible /chat/completions endpoint; enables search(understand=true) and search(multi_query=true).

LLM_API_KEY
secret

Bearer token for the LLM endpoint (LLM_API_BASE); omit for keyless local servers.

LLM_MODEL

Model name passed to the LLM endpoint (default: gpt-4o-mini); set to whatever your endpoint serves.

EMBEDDING_API_BASE

Base URL of an OpenAI-compatible /embeddings endpoint; enables search(rank=semantic) re-ranking.

EMBEDDING_API_KEY
secret

Bearer token for the embeddings endpoint (EMBEDDING_API_BASE); omit for keyless local servers.

EMBEDDING_MODEL

Model name passed to the embeddings endpoint (default: text-embedding-3-small).

DATA_GOV_API_KEY
secret

Optional api.data.gov key for the data.gov source; without it requests fall back to the shared public DEMO_KEY, which is aggressively rate-limited.

UNPAYWALL_EMAIL

Email address sent to the Unpaywall API; required to enable the Unpaywall PDF fallback leg of literature full-text retrieval.

NCBI_EMAIL

Contact address sent to NCBI's ID converter; falls back to UNPAYWALL_EMAIL when unset.

DATAVERSE_BASE_URL

Resolve Dataverse DOIs against a different installation (default: https://dataverse.harvard.edu).

CACHE_TTL_SECONDS

Resolve-cache lifetime in seconds (default: 3600); an unparseable value falls back to the default.

MCP quality score · maturity, not trust · methodology
freshness
25
completeness
15
installability
25
documentation
15
stability
5
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