SYSTEM all green source ocw.mit.edu queue 4,192 courses p99 latency 312ms dataflirt.com · scraper/ocw-mit.edu
RUN · 14 active pipelines · ocw.mit.edu live

MIT course data,
structured for ML.

We extract course metadata, syllabi, reading lists, lecture notes, and video links from MIT OCW. Delivered as clean JSON, CSV, or Parquet to S3, BigQuery, or Snowflake on your cadence.

Courses extracted
2,841 /run
Lecture notes
41,290 /run
Video links
14,802 /run
Active pipelines
14
Uptime
99.98%
Data Dictionary

Every field we extract from ocw.mit.edu

Structured, schema-consistent data across all major object types — delivered clean, typed, and ready to query.

Complete list of extractable fields for Course Metadata objects from ocw.mit.edu. All fields typed and schema-versioned.

course_idtitledepartmentlevelinstructorssemesteryeartopicsfeaturesurldescriptionimage_url
course_metadata
● 200 OK
"course_id": "18.06",
"title": "Linear Algebra",
"department": "Mathematics",
"level": "Undergraduate",
"semester": "Spring",
"year": "2010",
"instructors": "['Prof. Gilbert Strang']",
"topics": "['Mathematics', 'Linear Algebra', 'Differential Equations']"
# course_idtitledepartmentlevelinstructorssemester
1
2
3

Complete list of extractable fields for Syllabus & Structure objects from ocw.mit.edu. All fields typed and schema-versioned.

course_idprerequisitescorequisitesgrading_policycalendar_eventscourse_outcomesformathours_per_weektextbooks
syllabus_& structure
● 200 OK
"course_id": "18.06",
"prerequisites": "['18.02']",
"corequisites": "[]",
"format": "Lecture, Recitation",
"hours_per_week": 12,
"grading_policy": "Homework 25%, Exams 75%",
"textbooks": "['Introduction to Linear Algebra, 4th Edition']"
# course_idprerequisitescorequisitesgrading_policycalendar_eventscourse_outcomes
1
2
3

Complete list of extractable fields for Lecture Resources objects from ocw.mit.edu. All fields typed and schema-versioned.

resource_idcourse_idsession_numbertopicresource_typefile_urlfile_formatpagesdownload_linksize_kb
lecture_resources
● 200 OK
"resource_id": "res_18_06_lec1",
"course_id": "18.06",
"session_number": 1,
"topic": "The Geometry of Linear Equations",
"resource_type": "Lecture Notes",
"file_url": "https://ocw.mit.edu/courses/18-06-linear-algebra/notes.pdf",
"file_format": "application/pdf",
"download_link": "https://ocw.mit.edu/ans7870/18/18.06/notes.pdf"
# resource_idcourse_idsession_numbertopicresource_typefile_url
1
2
3

Complete list of extractable fields for Video Metadata objects from ocw.mit.edu. All fields typed and schema-versioned.

video_idcourse_idsession_numbertitleyoutube_urldurationtranscript_urlthumbnail_urlspeakersupload_date
video_metadata
● 200 OK
"video_id": "ZK3O402wf1c",
"course_id": "18.06",
"session_number": 1,
"title": "Lecture 1: The Geometry of Linear Equations",
"youtube_url": "https://www.youtube.com/watch?v=ZK3O402wf1c",
"duration": "39:49",
"speakers": "['Prof. Gilbert Strang']",
"transcript_url": "https://ocw.mit.edu/courses/18-06/transcript.pdf"
# video_idcourse_idsession_numbertitleyoutube_urlduration
1
2
3

Complete list of extractable fields for Reading Lists objects from ocw.mit.edu. All fields typed and schema-versioned.

reading_idcourse_idweek_numberauthortitlepublisherisbnpublication_yearrequired_statuspages_assigned
reading_lists
● 200 OK
"reading_id": "rd_18_06_01",
"course_id": "18.06",
"week_number": 1,
"author": "Gilbert Strang",
"title": "Introduction to Linear Algebra",
"publisher": "Wellesley-Cambridge Press",
"isbn": "9780980232714",
"required_status": true
# reading_idcourse_idweek_numberauthortitlepublisher
1
2
3

Capabilities

Extract academic data with structural integrity

MIT OCW contains over two decades of course materials. We handle the legacy templates, nested resource directories, and complex metadata mapping so you receive clean, normalised datasets.

Full Course Catalogue Extraction

Extract department taxonomies, course numbers, titles, instructors, and cross-listed variants across the entire ocw.mit.edu domain.

Deep Resource Parsing

Traverse nested directories to map lecture notes, problem sets, and exams directly to their corresponding syllabus sessions.

Video Metadata Capture

Extract YouTube embed URLs, durations, speaker names, and transcript links from lecture pages.

Syllabus & Topic Mapping

Structure unstructured syllabus pages into prerequisites, corequisites, grading policies, and weekly topic schedules.

Instructor Taxonomies

Normalise instructor names and map them to their respective departments and historical course offerings.

PDF & Document Link Resolution

Resolve relative paths and redirect chains to provide absolute download URLs for all course materials.

Cross-listed Course Deduplication

Identify and merge courses that exist under multiple department codes to prevent duplicate records in your warehouse.

Historical Course Versioning

Distinguish between different iterations of the same course (e.g., Spring 2010 vs Fall 2020) and maintain version history.

Automated Schema Validation

Ensure all required fields like course_id and department meet strict type and null-rate constraints before delivery.

Scheduled + Streaming Modes

Run one-off bulk exports or configure continuous pipelines at monthly cadences to capture new course publications.

// engagement pipeline

From course index to warehouse record

Brief in. Clean data out.

Define Scope
d 0

Provide specific departments, course levels, or resource types. We design the extraction schema together.

Pipeline Build
d 2–4

We configure Scrapy crawlers, handle legacy HTML templates, and map nested resource directories for ocw.mit.edu.

Validation & QA
d 4–6

Schema validation, null-rate checks, link resolution testing, and sample course extraction before full launch.

Delivery
ongoing

JSON / CSV / Parquet pushed to your S3 bucket, BigQuery dataset, or Snowflake stage on agreed cadence.

Under the hood

Handling the complexity of academic archives

Extracting data from MIT OCW requires navigating twenty years of web development history. Here is how we maintain pipeline stability.

pipeline-monitor · ocw.mit.edu · live ● active
// fingerprinting
Identity rotation
TLS fingerprintrandomised
User-agentrotated
IP poolresidential
Challenges blocked0
// pagination
Page coverage
48,291 pages queued running
// observability
Pipeline health
99.9%
uptime
142ms
p99 lat
0.3%
null rate
2
alerts
Template variance
Supporting legacy and modern layouts

MIT OCW hosts courses dating back to 2001. Our parsers automatically detect the underlying HTML template version, routing extraction logic through legacy static parsers or modern React component extractors to ensure consistent output.

Directory traversal
Deep nested resource mapping

Course materials are often buried in deeply nested directory structures. We build recursive crawlers that traverse these trees, resolving relative paths and associating every PDF or zip file back to its parent course and session.

Media extraction
YouTube embed parsing

Lecture videos are embedded via YouTube. We extract the iframe src attributes, resolve the canonical YouTube IDs, and capture associated metadata like transcripts and timestamps directly from the DOM.

Data normalisation
Standardising unstructured text

Academic syllabi are highly unstructured. We use regex and NLP heuristics to extract structured prerequisites, grading weights, and reading list ISBNs from free-text paragraphs.

Change detection
Only re-scrape what changes

We maintain a hash index of last-seen values for course indices. Subsequent runs only parse newly added courses or updated materials, reducing compute cost and downstream processing load.

Applications

Who uses MIT OCW data and how

Teams across industries use ocw.mit.edu data to build competitive products and smarter operations.

01
AI Tutor Training Data

Machine learning teams ingest course materials, lecture notes, and transcripts to fine-tune large language models for educational assistance.

02
Curriculum Development

Universities and EdTech platforms analyse syllabus structures and reading lists to benchmark and design their own course offerings.

03
EdTech Content Aggregation

Learning platforms aggregate MIT OCW metadata to build unified search engines for open educational resources.

04
Academic Research

Researchers map the evolution of specific disciplines over two decades by tracking changes in course topics and required reading lists.

05
Skill Mapping & Ontology Building

HR tech companies extract course outcomes and topics to build competency frameworks and skill ontologies.

06
Semantic Search Indices

Vector database providers index lecture transcripts and PDF contents to build semantic search applications for academic knowledge.

Why DataFlirt

"MIT OpenCourseWare holds the highest density of structured academic knowledge on the public web, but extracting it requires parsing decades of varying HTML templates and nested asset directories."

Most engineering teams underestimate the complexity of academic scraping. MIT OCW contains courses spanning twenty years, meaning your pipeline must handle legacy static HTML alongside modern React components, resolve thousands of relative PDF links, and map YouTube metadata to course syllabi. DataFlirt manages this pipeline entirely.

Technical Spec

MIT OCW scraper technical capabilities

Everything supported by our ocw.mit.edu scraper — rendered SPA elements, auth walls, rate-limit evasion and beyond.

Department taxonomy mapping
Extracts full hierarchy from school to department to course number
Supported
Asset URL resolution
Converts relative paths to absolute downloadable URLs for PDFs and ZIPs
Supported
YouTube transcript extraction
Captures provided transcript links associated with lecture videos
Supported
Cross-listed deduplication
Identifies primary course IDs and maps secondary listings
Supported
Historical course versions
Maintains separate records for different semester offerings of the same course
Supported
Instructor metadata
Normalises instructor titles and names across legacy and modern templates
Supported
Change detection diffs
Hash-based diffing to only emit newly added or modified courses
Supported
Webhook delivery
HTTP POST per course record for real-time downstream indexing
Supported
MIT Stellar/Canvas internal data
Gated learning management system data requires active student authentication
Partial
Student grades and submissions
Private FERPA-protected data is never exposed on public OCW pages
Partial
Infrastructure

Infrastructure powering the OCW pipeline

Open-source tooling on proven cloud infra — no vendor lock-in, full observability.

ScrapyPlaywrightPython 3.12RedisPostgreSQLApache AirflowAWS LambdaS3CloudWatch2CaptchaCapSolverResidential ProxiesDockerKubernetesGrafanaPrometheus
Scrapy + Playwright Stack

Scrapy orchestrates the broad crawl across department indices, while Playwright handles modern React-based course pages requiring JavaScript execution.

Document & Asset Processing

Custom middleware resolves redirect chains and validates content-types to ensure asset links point directly to accessible PDF or ZIP files.

Cloud-Native Orchestration

Pipelines run on Kubernetes. Airflow handles scheduling, dependency management, and SLA alerting. All state stored in managed Postgres.

Output & Delivery

Your data, your destination

Data delivered to where your team already works — no new tooling required.

JSON
Newline-delimited or nested array structures
CSV
Flat file with typed columns for relational mapping
XLS
Excel compatible format for manual review
Parquet
Columnar format for BigQuery, Snowflake, Athena
AWS S3
Direct bucket delivery compatible with any data lake
Webhook
HTTP POST per record for immediate processing
API
REST endpoint to query extracted course data
BigQuery
Streamed directly into your dataset
Snowflake
Stage and COPY INTO workflow
Postgres
Upsert into your existing relational schema
S3
Direct bucket delivery — compatible with any data lake
// faq

Common questions.

About ocw.mit.edu scraping, legality, and pipeline operations.

Ask us directly →
Is scraping MIT OCW legal?

Yes. MIT OpenCourseWare is designed to be a public resource, and its content is generally licensed under Creative Commons (CC BY-NC-SA). Scraping publicly available metadata and links does not violate these terms, provided the extraction respects server load limits and the data is used in accordance with the CC license.

How do you handle older course layouts?

We maintain multiple parser templates. During the crawl, our system inspects the DOM structure and routes the HTML to the appropriate legacy or modern parser, ensuring consistent JSON output regardless of the source page format.

Do you download the actual PDF files or just links?

By default, we extract and validate the absolute URLs pointing to the PDF and ZIP assets. If your use case requires it, we can configure the pipeline to download the actual files and sync them directly to your S3 bucket.

Can you extract YouTube transcripts?

We extract the URLs for transcripts provided directly on the OCW platform. For videos without OCW-hosted transcripts, we can integrate secondary pipelines to extract closed captions directly from the YouTube embeds.

How often is the data updated?

MIT OCW typically publishes new courses on a semester-based schedule. We recommend configuring pipelines to run monthly to capture new additions and syllabus updates without unnecessary compute overhead.

What is the minimum viable engagement?

We offer one-off bulk extractions for the entire current OCW catalogue, or managed ongoing pipelines with monthly diff deliveries. Contact us to scope the exact departments or data fields required.

Can I request a sample dataset?

Yes. We provide sample JSON or CSV exports covering a subset of departments (e.g., Mathematics or Computer Science) so you can validate the schema and field completeness before committing.

$ dataflirt scope --new-project --source=ocw.mit.edu ready

Tell us what
to extract.
We do the rest.

20-minute scoping call. Pilot dataset within the week. Production within two. Whether you need a full historical catalogue dump or continuous monitoring for new course publications, we scope, build, and operate the pipeline. Tell us what you need.

hello@dataflirt.com · Bengaluru · IST · typical reply < 4h
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