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CDCgov/ixa

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Is CDCgov/ixa beginner-friendly?

The maintainers of CDCgov/ixa usually reply to a pull request within 5 days. 2 beginner-friendly issues are open now.

Stars
36
Forks
7
Open beginner issues
2
Indexed issues
68
Avg merge
4d 15h
Merged PRs (30d)
8
Dominant language
Rust
License
Apache-2.0
Last GitHub push
Sep 29, 2026
Latest indexed
Sep 20, 2026
Contributing guide
No code of conduct
Beginner labels
No beginner labels indexed

How to contribute to CDCgov/ixa

  1. Read the contributing guide first: it says how the maintainers want changes proposed, tested and reviewed.
  2. The project ships a dev container: open it in Codespaces to get a working environment in your browser.
  3. Your contributions will be published under the project's Apache-2.0 license.
  4. Pick one of the 2 open beginner-friendly issues below and comment that you want to work on it before you start.
Beginner friendly Everything
Open All

Issues somebody may already be working on are listed last. List everything by date

  • Backport the FIPS Code module from ixa-epi-covid
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 35/100

    CDCgov/ixa#1052 ·

    Maintainers usually reply within 5 days

  • Add names to triggers?
    Open
    • Is something wrong?
    needs discussion

    Difficulty 3/5 1-2 days Newbie friendliness 20/100

    CDCgov/ixa#1051 ·

    Maintainers usually reply within 5 days

  • Modular Ixa Experiment
    May be free again Open
    • Is something wrong?

    CDCgov/ixa#1043 · 3 comments · 1 assignee ·

    Maintainers usually reply within 5 days

  • The `Report` trait and `define_report!` macro are unnecessary
    Open
    • Is something wrong?
    needs discussion

    Difficulty 5/5 Over a week Newbie friendliness 35/100

    CDCgov/ixa#1042 ·

    Maintainers usually reply within 5 days

  • Investigate code complexity & maintenance burden of negative time feature
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 45/100

    CDCgov/ixa#1041 · 1 comment ·

    Maintainers usually reply within 5 days

  • Audit all built in traits for ContextBase inclusion
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 35/100

    CDCgov/ixa#1031 · 1 comment ·

    Maintainers usually reply within 5 days

  • Seal `ContextBase` trait
    May be free again Open
    • Is something wrong?

    CDCgov/ixa#1019 · 1 comment · 1 assignee ·

    Maintainers usually reply within 5 days

  • Ixa v4.0 To-Do List
    Open
    • Is something wrong?

    Difficulty 5/5 Over a week Newbie friendliness 25/100

    CDCgov/ixa#1001 ·

    Maintainers usually reply within 5 days

  • Initial property values are unobservable.
    May be free again Open
    • Is something wrong?

    CDCgov/ixa#991 · 4 comments · 1 assignee ·

    Maintainers usually reply within 5 days

  • Running multiple simulations
    Open
    • Is something wrong?
    docs

    Difficulty 4/5 3-5 days Newbie friendliness 38/100

    CDCgov/ixa#985 ·

    Maintainers usually reply within 5 days

  • Add a way for periodic plans to handle partial periods on shutdown
    Open
    • Is something wrong?

    Difficulty 5/5 Over a week Newbie friendliness 35/100

    CDCgov/ixa#983 ·

    Maintainers usually reply within 5 days

  • Revisit feature(s) supporting the "execute and reschedule yourself" pattern
    Open
    • Is something wrong?

    Difficulty 5/5 Over a week Newbie friendliness 25/100

    CDCgov/ixa#974 · 1 comment ·

    Maintainers usually reply within 5 days

  • v4: Stats and reporting
    Open
    • Is something wrong?
    needs investigation

    Difficulty 5/5 Over a week Newbie friendliness 35/100

    CDCgov/ixa#971 · 3 comments ·

    Maintainers usually reply within 5 days

  • `schedule_relative!` macro requires type annotations for closure handlers
    Open
    • Is something wrong?

    Difficulty 3/5 1-2 days Newbie friendliness 55/100

    CDCgov/ixa#956 ·

    Maintainers usually reply within 5 days

  • Do we need `IxaEvent`? If so, do we need the proc macro to derive it?
    Open
    • Is something wrong?

    Difficulty 5/5 Over a week Newbie friendliness 35/100

    CDCgov/ixa#933 ·

    Maintainers usually reply within 5 days

  • Clarify the relationship between `StratifiedValueChangeCounter` and `Property::CanonicalValue`
    Open
    • Is something wrong?
    needs investigation

    Difficulty 5/5 Over a week Newbie friendliness 35/100

    CDCgov/ixa#928 ·

    Maintainers usually reply within 5 days

  • Global property validation error should be less specific
    May be free again Open
    • Is something wrong?
    ergonomics user feedback

    CDCgov/ixa#910 · 1 comment · 1 assignee ·

    Maintainers usually reply within 5 days

  • [meta] Feedback from migrating to 2.0
    Open
    • Is something wrong?

    Difficulty 5/5 Over a week Newbie friendliness 35/100

    CDCgov/ixa#906 · 1 comment ·

    Maintainers usually reply within 5 days

  • Update "Reports" book topic for value change count feature
    Open
    • Is something wrong?
    blocked docs

    Difficulty 2/5 1-3 hours Newbie friendliness 68/100

    CDCgov/ixa#881 · 2 comments ·

    Maintainers usually reply within 5 days

  • Experiment with rejection sampling for hash tables instead of `IndexSet`
    Open
    • Is something wrong?
    needs investigation

    Difficulty 5/5 Over a week Newbie friendliness 35/100

    CDCgov/ixa#859 · 1 comment ·

    Maintainers usually reply within 5 days

  • Ergonomics: `add_plan()` is absolute, not relative, time
    Open
    • Is something wrong?

    Difficulty 3/5 1-2 days Newbie friendliness 48/100

    CDCgov/ixa#836 ·

    Maintainers usually reply within 5 days

  • docs: Use "entity" consistently
    Open
    • Is something wrong?
    docs

    Difficulty 3/5 1-2 days Newbie friendliness 35/100

    CDCgov/ixa#792 ·

    Maintainers usually reply within 5 days

  • Prototype Entity builder
    May be free again Open
    • Is something wrong?

    CDCgov/ixa#771 · 1 comment · 1 assignee ·

    Maintainers usually reply within 5 days

  • M-to-1 and M-to-N relationships between entities
    Open
    • Is something wrong?

    Difficulty 5/5 Over a week Newbie friendliness 35/100

    CDCgov/ixa#761 · 4 comments ·

    Maintainers usually reply within 5 days

  • Replace runner with MRP-compatible runtime context + ixa cli
    May be free again Open
    • Is something wrong?

    CDCgov/ixa#754 · 1 assignee ·

    Maintainers usually reply within 5 days

  • Audit ixa compile/install times for end users
    Open
    • Is something wrong?
    user feedback

    Difficulty 4/5 3-5 days Newbie friendliness 35/100

    CDCgov/ixa#743 ·

    Maintainers usually reply within 5 days

  • Run benchmarks on main, on demand only for PRs
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 45/100

    CDCgov/ixa#707 ·

    Maintainers usually reply within 5 days

  • Document global properties failure cases
    May be free again Open
    • Is something wrong?

    CDCgov/ixa#691 · 4 comments · 1 assignee ·

    Maintainers usually reply within 5 days

  • `Context::add_periodic_plan_with_phase` assumes it is called before `Context::execute()`
    Open
    • Is something wrong?

    Difficulty 3/5 1-2 days Newbie friendliness 45/100

    CDCgov/ixa#634 · 1 comment ·

    Maintainers usually reply within 5 days

  • Triage old open issues on the ixa repo.
    May be free again Open
    • Is something wrong?

    CDCgov/ixa#613 · 1 assignee ·

    Maintainers usually reply within 5 days

  • Create ixa-stats
    Open
    • Is something wrong?

    Difficulty 5/5 Over a week Newbie friendliness 25/100

    CDCgov/ixa#581 · 2 comments ·

    Maintainers usually reply within 5 days

  • Breaking change: sample_people return an `Option`
    Open
    • Is something wrong?

    Difficulty 5/5 Over a week Newbie friendliness 25/100

    CDCgov/ixa#555 · 2 comments ·

    Maintainers usually reply within 5 days

  • Book Topic: Efficiency of forecasted infection attempts
    Open
    • Is something wrong?
    docs

    Difficulty 5/5 Over a week Newbie friendliness 25/100

    CDCgov/ixa#455 ·

    Maintainers usually reply within 5 days

  • Book Topic: Algorithmic Complexity - Querying Within Loops
    Open
    • Is something wrong?
    docs

    Difficulty 3/5 1-2 days Newbie friendliness 42/100

    CDCgov/ixa#454 ·

    Maintainers usually reply within 5 days

  • Profiling and Performance Topics for the book
    May be free again Open
    • Is something wrong?
    docs

    CDCgov/ixa#434 · 1 assignee ·

    Maintainers usually reply within 5 days

  • Guide for ixa wasm projects in book
    Open
    • Is something wrong?
    docs

    Difficulty 3/5 1-2 days Newbie friendliness 35/100

    CDCgov/ixa#405 ·

    Maintainers usually reply within 5 days

  • Ixa cli?
    May be free again Open
    • Is something wrong?

    CDCgov/ixa#404 · 1 assignee ·

    Maintainers usually reply within 5 days

  • Add plugin authoring guide to ixa book
    May be free again Open
    • Is something wrong?
    docs

    CDCgov/ixa#390 · 1 comment · 1 assignee ·

    Maintainers usually reply within 5 days

  • Add cfa team as owner on crates.io
    Open
    • Is something wrong?

    Difficulty 3/5 1-2 days Newbie friendliness 30/100

    CDCgov/ixa#349 ·

    Maintainers usually reply within 5 days

  • Add a getting started with Rust section to get started / early in ixa book
    Open
    • Is something wrong?
    docs

    Difficulty 2/5 1-3 hours Newbie friendliness 72/100

    CDCgov/ixa#305 · 2 comments ·

    Maintainers usually reply within 5 days

  • Add example that demonstrates common testing patterns
    Open
    • Is something wrong?
    docs user feedback

    Difficulty 2/5 1-3 hours Newbie friendliness 48/100

    CDCgov/ixa#304 · 4 comments ·

    Maintainers usually reply within 5 days

  • Profiling infrastructure for indexes
    Open
    • Is something wrong?

    Difficulty 5/5 Over a week Newbie friendliness 25/100

    CDCgov/ixa#283 · 3 comments ·

    Maintainers usually reply within 5 days

  • Optimistically create indexes or warn
    Open
    • Is something wrong?

    Difficulty 5/5 Over a week Newbie friendliness 20/100

    CDCgov/ixa#280 ·

    Maintainers usually reply within 5 days

  • Consider changes to network structure
    May be free again Open
    • Is something wrong?

    CDCgov/ixa#250 · 1 comment · 4 assignees ·

    Maintainers usually reply within 5 days

  • Block PRs on severe performance regressions
    Open
    • Is something wrong?
    blocked

    Difficulty 4/5 3-5 days Newbie friendliness 35/100

    CDCgov/ixa#230 ·

    Maintainers usually reply within 5 days

  • Macro for accessing sub-properties of an enum with struct items
    Open
    • Is something wrong?
    user feedback

    Difficulty 5/5 Over a week Newbie friendliness 35/100

    CDCgov/ixa#220 · 1 comment ·

    Maintainers usually reply within 5 days

  • Implement macro to make it easier to access sub-properties of struct params
    Open
    • Is something wrong?
    user feedback

    Difficulty 5/5 Over a week Newbie friendliness 35/100

    CDCgov/ixa#190 · 1 comment ·

    Maintainers usually reply within 5 days

  • Add a generic function to take a plugin out of context
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 35/100

    CDCgov/ixa#139 · 1 comment ·

    Maintainers usually reply within 5 days

  • Doc does not properly render links for all macros
    Open
    • Is something wrong?
    docs

    Difficulty 2/5 1-3 hours Newbie friendliness 45/100

    CDCgov/ixa#103 ·

    Maintainers usually reply within 5 days

  • Make errors consistent for `add_person()`
    Open
    • Is something wrong?

    Difficulty 3/5 1-2 days Newbie friendliness 35/100

    CDCgov/ixa#80 ·

    Maintainers usually reply within 5 days

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