Materials Project Materials Tasks API

Route for "core" information associated with a given calculation in the Materials Project database. Multiple calculations can ultimately be associated with a unique material, and are the source of its reported properties. The unique identifier for a calculation is its `task_id`. Note that the `material_id` chosen for a given material is sourced from one of the `task_id` values associated with it. Core data in this context refers to calculation quantities such as parsed input and output data (e.g. VASP input flags, atomic forces, structures) and runtime statistics. See the `TaskDoc` schema for a full list of fields returned by this route.

Operations 4

GET /materials/tasks/trajectory/ Get TrajectoryDoc documents #
GET /materials/tasks/entries/ Get EntryDoc documents #
GET /materials/tasks/deprecation/ Get DeprecationDoc documents #
GET /materials/tasks/ Get TaskDoc documents #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/materials-project-materials-tasks-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

materials-project-materials-tasks-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Materials Project Materials Tasks API
  description: The Materials Project API allows anyone to have direct access to current, up-to-date information from the Materials Project database in a structured way.
  version: 0.86.4rc5.dev1+g77c2c1315
  x-logo:
    url: https://raw.githubusercontent.com/materialsproject/emmet/master/emmet-api/emmet/api/core/assets/mp_logo_small.png
security:
- ApiKeyAuth: []
tags:


# --- truncated at 32 KB (80 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/materials-project/refs/heads/main/openapi/materials-project-materials-tasks-api-openapi.yml