metacall

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

• metacall: metacallfmv uses iterator instead of index for signature_get_type, casting arguments to wrong parameter types

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  Difficulty 2/5 1-3 hours Newbie friendliness 65/100

  metacall/core#964 · 1 comment · Opened Nov 14, 2026

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• plugin: type-check errors always report "parameter number 1"

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  bug

  Difficulty 3/5 Half a day Newbie friendliness 70/100

  metacall/core#960 · Opened Nov 12, 2026

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• SSR: unknown routes redirect to /_notfound and return 200 instead of 404

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  bug good first issue v1.0.0-stable

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

  metacall/metassr#239 · 1 comment · Opened Nov 4, 2026

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• API error responses are invalid JSON (unescaped format!) and leak MetaCall internals

  May be free again @Janarthanana057 claimed this 11 days ago, and no pull request is open. Open

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

  metacall/metassr#237 · 1 comment · Opened Nov 4, 2026

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• dev: page edits are rebuilt but the server keeps rendering the old bundle

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  Difficulty 4/5 3-5 days Newbie friendliness 55/100

  metacall/metassr#234 · Opened Nov 4, 2026

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• Blocking MetaCall calls on tokio workers: N slow requests (N = cores) stall every route and page

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

  metacall/metassr#232 · Opened Nov 4, 2026

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• Use `metacall_serialize` instead of `serde`

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  enhancement

  Difficulty 5/5 Over a week Newbie friendliness 15/100

  metacall/metassr#219 · Opened Oct 13, 2026

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• [node-loader] Signature disambiguation for single options objects vs positional parameters

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

  metacall/core#915 · 5 comments · Opened Sep 28, 2026

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• [python-loader] Handle generator functions and un-exhausted iterators

  May be free again @KaranBayas claimed this 20 days ago, and no pull request is open. Open

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  Difficulty 5/5 Over a week Newbie friendliness 38/100

  metacall/core#914 · 6 comments · Opened Sep 28, 2026

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• [python-loader] Support parameter mapping for keyword-only arguments and **kwargs

  May be free again @yaswanthvuppala claimed this 39 days ago, and no pull request is open. Open

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  Difficulty 4/5 3-5 days Newbie friendliness 52/100

  metacall/core#913 · 2 comments · Opened Sep 28, 2026

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• Implement thread safe lock free copy on write array for the destroy list of the plugins (specially the loaders)

  May be free again @viferga claimed this 61 days ago, and no pull request is open. Open

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  bug c/c++ enhancement

  metacall/core#886 · 1 assignee · Opened Sep 14, 2026

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• Coverage CI

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  enhancement github_actions

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

  metacall/core#882 · 1 reaction · Opened Sep 13, 2026

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• Tracking: Make MetaSSR accessible and easy to develop with

  May be free again @fahdfady claimed this 63 days ago, and no pull request is open. Open

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  documentation enhancement v1.0.0-stable

  metacall/metassr#193 · 1 reaction · 1 assignee · Opened Sep 12, 2026

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• [Rosetta-9] Modernize C, C++, Clang and toolchains

  May be free again @k5602 claimed this 69 days ago, and no pull request is open. Open

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  documentation enhancement

  metacall/core#873 · 1 comment · 1 assignee · Opened Sep 5, 2026

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• [Rosetta-7] Improve CONTRIBUTING, conduct, support

  May be free again @roshankumar0036singh claimed this 65 days ago, and no pull request is open. Open

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  documentation

  Difficulty 4/5 3-5 days Newbie friendliness 52/100

  metacall/core#871 · 3 comments · Opened Sep 5, 2026

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• [Rosetta-5] Add ROADMAP.md

  May be free again @viferga claimed this 69 days ago, and no pull request is open. Open

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  documentation

  metacall/core#869 · 1 assignee · Opened Sep 5, 2026

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• [Rosetta-4] Version and platform data update

  May be free again @viferga claimed this 69 days ago, and no pull request is open. Open

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  documentation

  metacall/core#868 · 1 assignee · Opened Sep 5, 2026

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• [Rosetta-3] OS-lang-port-loader support tiers Tier 1, 2, 3

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  documentation

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

  metacall/core#867 · 1 comment · Opened Sep 5, 2026

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• [Rosetta-2] Reference refresh for core, loaders, ports, serials, detours

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  documentation

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

  metacall/core#866 · 1 comment · 1 reaction · Opened Sep 5, 2026

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• [Rosetta-1] New docs layout and stack with Diataxis

  May be free again @Popie52 claimed this 62 days ago, and no pull request is open. Open

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  documentation enhancement

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

  metacall/core#865 · 1 comment · Opened Sep 5, 2026

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• [Rosetta-0] Audit and freeze current docs and matrix

  May be free again @pranab-mandal claimed this 20 days ago, and no pull request is open. Open

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  documentation good first issue

  Difficulty 4/5 3-5 days Newbie friendliness 55/100

  metacall/core#864 · 3 comments · Opened Sep 5, 2026

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• [EPIC] Project Rosetta - modern docs, support tiers, roadmap and governance

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  documentation help wanted

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

  metacall/core#863 · 1 reaction · Opened Sep 5, 2026

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• Improve CLI error reporting with structured JSON output under --format json

  May be free again @LoveChauhan-18 claimed this 74 days ago, and no pull request is open. Open

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  enhancement good first issue

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

  metacall/meta-ast#62 · 1 comment · Opened Aug 29, 2026

• Add complex multi-file require_relative snapshot tests for Ruby

  May be free again @LoveChauhan-18 claimed this 74 days ago, and no pull request is open. Open

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  enhancement good first issue

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

  metacall/meta-ast#61 · 1 comment · Opened Aug 29, 2026

• Add PowerShell installation script scripts/install.ps1 for Windows

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  enhancement good first issue

  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  metacall/meta-ast#59 · Opened Aug 29, 2026

• Follow-up for PR #56: Strengthen cross-function scoping coverage and clean up TS/TSX dataflow handling

  May be free again @ranita872 claimed this 78 days ago, and no pull request is open. Open

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  enhancement good first issue

  Difficulty 4/5 3-5 days Newbie friendliness 58/100

  metacall/meta-ast#57 · 2 comments · Opened Aug 29, 2026

• Add Emscripten/WebAssembly Build Target for MetaCall Core

  May be free again @viferga claimed this 82 days ago, and no pull request is open. Open

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  wontfix

  metacall/core#861 · 3 comments · 1 reaction · 1 assignee · Opened Aug 25, 2026

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• Add property-based tests (proptest) for SCC correctness and graph invariants

  May be free again @k5602 claimed this 97 days ago, and no pull request is open. Open

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  good first issue

  metacall/meta-ast#48 · 1 comment · 1 assignee · Opened Aug 3, 2026

• Add distribution bash scripts for easy install

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  good first issue

  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  metacall/meta-ast#46 · Opened Aug 3, 2026

• Improve CLI ergonomics: flags, help messages, error reporting

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  enhancement good first issue

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

  metacall/meta-ast#47 · Opened Aug 3, 2026

• Replace Box<dyn ImportResolver> with enum dispatch

  May be free again @k5602 claimed this 103 days ago, and no pull request is open. Open

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  enhancement

  metacall/meta-ast#41 · 1 assignee · Opened Aug 3, 2026

• Language module deduplication via declarative macros

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  enhancement

  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  metacall/meta-ast#39 · Opened Aug 3, 2026

• Split run_deploy into a DeployOrchestrator struct

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  enhancement

  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  metacall/meta-ast#40 · Opened Aug 3, 2026

• Improve path normalization per language for externals and relative imports

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  enhancement good first issue

  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  metacall/meta-ast#38 · Opened Aug 3, 2026

• NodeJS fails on `uv_thread_join` with thread sanitizers

  May be free again @SankeerthNara claimed this 93 days ago, and no pull request is open. Open

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  bug

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

  metacall/core#848 · 4 comments · Opened Jul 21, 2026

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• RFC: Polyglot SAST with ML Integration (MetaSSR + meta-ast + Training Pipeline) POST V1

  May be free again @k5602 claimed this 116 days ago, and no pull request is open. Open

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  documentation enhancement

  metacall/meta-ast#29 · 2 reactions · 1 assignee · Opened Jul 21, 2026

• Feature: MetaSSR Config file (TOML)

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  Difficulty 5/5 Over a week Newbie friendliness 15/100

  metacall/metassr#177 · Opened Jul 14, 2026

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• rb_loader: metacall gem not available in distributable - Ruby cannot call other languages via metacall()

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  Difficulty 4/5 3-5 days Newbie friendliness 68/100

  metacall/core#782 · 4 comments · Opened Apr 22, 2026

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• dev server crashes when theres a syntax error in rebuild_pages

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  Difficulty 4/5 3-5 days Newbie friendliness 46/100

  metacall/metassr#145 · 3 comments · Opened Apr 12, 2026

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• MetaCall Runtime Environment Profile (MREP)

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

  metacall/core#760 · 4 comments · Opened Apr 8, 2026

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• WebBundler::exec() returns Ok(()) on bundling failure instead of propagating the error

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

  metacall/metassr#120 · 1 comment · Opened Mar 27, 2026

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• Change all `log_write` by `metacall_throw_error`

  May be free again @Sukuna0007Abhi claimed this 235 days ago, and no pull request is open. Open

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

  metacall/core#720 · 1 comment · Opened Mar 24, 2026

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• Discussion: MetaSSR as High-Performance Rust Worker Node for MetaCall Function Mesh

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

  metacall/metassr#114 · 2 reactions · Opened Mar 24, 2026

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• Metacircular self-registration of MetaCall API via _ex load parameters

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

  metacall/core#715 · 2 comments · Opened Mar 24, 2026

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• Mismatch between metassr-api-handler request passing and docstrings/examples

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

  metacall/metassr#112 · Opened Mar 20, 2026

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• add LLM usage policy

  May be free again @hulxv claimed this 253 days ago, and no pull request is open. Open

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  documentation

  metacall/metassr#90 · 2 assignees · Opened Mar 6, 2026

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• Runtime Safety Improvements

  May be free again @saadkhi claimed this 256 days ago, and no pull request is open. Open

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  metacall/metassr#82 · 2 comments · 1 assignee · Opened Mar 3, 2026

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• Expand the datatypes in rust port

  May be free again @pranab-mandal claimed this 22 days ago, and no pull request is open. Open

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  rust

  Difficulty 5/5 Over a week Newbie friendliness 30/100

  metacall/core#646 · 2 comments · Opened Feb 27, 2026

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• MetaCall level cache to avoid recompiling identical loader inputs

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

  metacall/core#644 · Opened Feb 26, 2026

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• Testing: Improve testing by checking if resulting HTML is correct

  May be free again @VanshikaSabharwal claimed this 252 days ago, and no pull request is open. Open

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  IMPORTANT testing v1.0.0-stable

  metacall/metassr#79 · 10 comments · 1 assignee · Opened Feb 24, 2026

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