Piaso MCP server

Read from the package source without running it. The installed server may list more.

• check_versions

  Current PyPI release of each Python package vs the version this snapshot was tested against. Pure PyPI JSON (network); use it to disclose drift ('docs tested on 1.2.3, you have 1.3.0').

• compare_implementations

  COSG (Python) vs COSGR (R) divergences — params, defaults, data-object contract — and, for 'cytome', the Python vs R cytome packages. This knowledge exists nowhere else.

• get_api

  Data-object contract (reads/writes, defaults, what it computes) for a PIASO / COSG / cytome / LARIS / Emergene / cytorete function, from the component docs. The exact live signature is on the generated API reference at https://piaso.org/api/ (or `inspect.signature` after install).

• get_dataset

  One PIASO-data registry entry (live): title, url, md5, size, cells, features, counts layer, reference, tutorials that use it.

• get_markers

  Alias of query_marker_db (mirrors piaso.tl.getMarkers).

• list_datasets

  PIASO-data datasets (live registry from genecell/PIASO-data, cached 24 h): id, format, size, species, cells, counts layer, how to load. Falls back to the bundled data.md offline.

• list_studies

  List the studies available in PIASOmarkerDB (proxies the live API; 36 at last check).

• list_tutorials

  The piaso.org tutorial index (executed, human-reviewed): title, URL, what it covers, which components it uses. Filter by topic (scRNA-seq, methods, marker-genes, annotation, gene-sets, spatial, grn, cell-cell-interaction, plotting-data) and/or component (piaso, cosg, cytome, laris, cytorete, emergene). Route the user to the tutorial for their platform before writing code.

• query_marker_db

  Query the live PIASOmarkerDB for cell-type marker genes (proxies the piaso.org REST API).

• resolve_install

  The exact install line(s) for a set of components in a given language (python|r), including extras. Answers 'I'm in R and want this chain — what do I install?' — the most error-prone thing in an independently-installed, cross-language ecosystem. Never suggests a matplotlib pin.

• search_docs

  Search the PIASO ecosystem knowledge pack (works with zero packages installed).

• version_matrix

  The component versions this knowledge pack was tested against (from meta.yaml), with install lines, roles and citations — so an agent can state what the docs assume.

• Code scan6 source files scanned25/25
• –Live reliabilityno gateway calls yet and no remote to proben/a
• –Tool poisoningtools not inspected (local package is not executed); not countedn/a
• Auth qualitylocal package, no credentials required12/15
• Maintenancelast push 15 days ago15/15
• Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10

Piaso: common questions

Is Piaso MCP server safe?

Yes, by our scan: it is graded A (92/100). Read the Piaso safety report

How do I install Piaso?

It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.

Does Piaso need an API key?

Not as far as the registry entry and our scan can tell: no credentials are declared or required.

Is Piaso maintained?

The last commit was 15 days ago (2026-09-05). The latest release is v0.1.0.

What can I use instead of Piaso?

Servers from other publishers that do the same job: OneSource MCP server, Living Docs MCP server and Context7 MCP server. Compare all Piaso alternatives.