GoldenMatch

_{Pair drilldown in the web workbench: cluster members, field-level diff, and a one-line NL explanation per pair. pip install goldenmatch[web] then goldenmatch serve-ui <project>. More screenshots →}

v3.17.1: The polars-free first run actually works now. 3.17.0 claimed this and did not deliver it: auto-config puts negative evidence on the exact matchkey by default, and that path still bridged to polars, so goldenmatch dedupe customers.csv exited 3 on a default install. Verified the way it should have been the first time -- pip install into a clean polars-free venv, then the documented command.

v3.17.0: The documented first run works on a default install. pip install goldenmatch followed by goldenmatch dedupe customers.csv -- the quickstart on every doc surface -- exited 3 on a polars-free install, which is what a plain install has produced since polars became an optional extra. Three separate polars imports on the zero-config path (auto-config ingest, the Arrow lane's preflight decline, and the csv writer) are gone, with polars' exact csv bytes reproduced and parity-pinned.

v3.13.0: Fellegi-Sunter training runs distributed on Spark. The E-step reads only the comparison vector, so identical vectors collapse to one counted row and the whole step becomes a Spark GROUP BY over agreement patterns -- the cluster counts, the driver only fits. Training cost tracks DISTINCT vectors (bounded by prod(levels + 1)), not pairs: 1M -> 5M rows grew candidate pairs 5.00x and the distributed counting stage 5.25x, while distinct patterns grew 3.0% (433 -> 446) and driver-side EM stayed at 0.01s. Runs on jar-only executors via goldenmatch-spark, off the same Rust kernel every other surface uses.

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What you get: the golden entity

Most entity-resolution tools hand you clusters and stop. GoldenMatch keeps going: it resolves messy records into a durable golden entity, one per real-world customer, that survives re-runs, carries provenance on every field, and answers "who is this, and where did each value come from?" in a single call.

• A stable identity, not a throwaway cluster id. Every entity gets a stable entity_id (UUIDv7) that persists across runs as new data arrives. Records are absorbed, entities merge or split, but the id an entity earns is the id downstream systems can rely on. Run-local cluster numbers reshuffle on every run; these don't.
• Whole-record provenance. Every field of the golden record traces back to the source record that won it: which source, when it was last seen, and which survivorship strategy picked it. The values it didn't pick stay visible rather than being silently dropped. Provenance is on the whole unified record, not just the match decision.
• Governed by construction. Conflicting values collapse to one best value by an explicit survivorship policy (most-complete · source-priority · most-recent · majority-vote); every identity change lands in an append-only event timeline; and the log is sealed with a hash-chained, tamper-evident audit that a reviewer (or the other language port) can independently verify.

customer_360(entity_id) composes it into one read: golden record, per-field provenance, every linked source record, the event timeline, and the entity's relationship neighborhood:

// customer_360("018f...c2a1")  (trimmed)
{
  "entity_id": "018f2b7e-...-c2a1", "confidence": 0.97, "record_count": 3,
  "sources": ["salesforce", "billing", "support"],
  "golden_record": { "name": "Ada Lovelace", "email": "ada@analytical.io", "phone": "+1-555-0100" },
  "field_provenance": [
    { "field": "email", "value": "ada@analytical.io",
      "winning_source": "billing", "winning_record_id": "billing:8821",
      "conflicting_values": [ { "value": "ada@ada.dev", "source": "salesforce" } ] },
    { "field": "phone", "value": "+1-555-0100", "winning_source": "salesforce" }
  ],
  "timeline": [ { "kind": "created", "actor": "pipeline", "recorded_at": "2026-07-30T..." },
                { "kind": "absorbed_record", "reason": "matched billing:8821" } ],
  "relationships": [ { "other_entity_id": "018f...9d0e", "kind": "shares_address" } ]
}

What ships today vs. what's emerging. The identity spine is production-grade and in main: stable entity_ids, per-field provenance, survivorship, merge/split, the append-only log + audit chain, cross-channel stitching, the relationship overlay, and incremental resolution against a persisted index (a new record resolves without a full re-run). The customer_360() serving view above and the source-registry layer that keeps it fresh from live systems are the newer, actively-landing pieces. The source connectors (Snowflake, BigQuery, Salesforce, HubSpot) ship today; the registry that wires them into the spine is emerging. See the Customer 360 design + ADR. We label the seam rather than blur it.

The golden entity lives in the control plane; the matching that builds it runs in the compute engine. That split is the next section.

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One product, two engines

The golden entity above is produced by two engines that optimize for genuinely different things, and keeping them distinct is the architecture, not an implementation detail (ADR 0047).

flowchart LR
    src([source records])
    e360([golden entities · Customer 360])
    subgraph compute ["Identity Compute Engine: Arrow-native, Rust-authoritative"]
        match[block · score · cluster]
    end
    subgraph control ["Identity Control Plane: transaction-native state machine"]
        spine[stable ids · survivorship · merge/split · provenance · audit]
    end
    src --> compute -->|resolution batch + evidence| control --> e360
    control -.->|persisted index| compute

	Identity Compute Engine	Identity Control Plane
Shape	Arrow at bulk boundaries, Rust-authoritative kernels	Transaction-native state machine (SQLite default · Postgres)
Job	Block, score, cluster: throughput, vectorized, deterministic per run	Stable ids, survivorship, merge/split, provenance, append-only audit
State	Stateless per call; measurement-driven kernelization	Durable, transactional, replayable, auditable
Backends	DataFusion · Ray · Sail · Spark are replaceable execution backends, none synonymous with GoldenMatch	Storage backends conform to one externally-observable semantics

Many surfaces, one answer. The same capabilities reach Python, edge-safe TypeScript (with an opt-in WASM backend running the same Rust kernels), SQL inside PostgreSQL and DuckDB, and MCP / REST / A2A, all governed by specification + conformance, not copy-paste. There is one authoritative owner per capability; pure-Python / standalone-TS paths are classified, conformance-tested fallbacks. Where a boundary can't cross byte-for-byte, we measure and label it rather than claim parity.

Why a platform engineer should care:

• The compute layer isn't framework lock-in. It's Arrow-native and backend-replaceable, so you can push the heavy matching to a query engine that plans, spills, and distributes (verified to 250M rows) without the identity state coming along for the ride.
• The identity layer is a real state machine, not a columnar rebuild-every-time batch. Durable ids, transactional merge/split, provenance and audit are first-class operations you can integrate against.
• Behavior is consistent where it's shared. SQL, Python, and TypeScript track the same answers to a conformance spec, so the surface you build on isn't quietly inventing its own semantics.

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Resolution that beats the expert

The identity layer is only as good as the matching underneath it, and the matching starts at zero config. dedupe_df(df) runs with no rules and no training data: it profiles the data, picks a defensible configuration, and returns golden records immediately. The config it chose comes back on result.config: inspectable, diffable, versionable. Never a black box.

• Beats the expert, out of the box. On messy customer records, the opt-in Fellegi-Sunter engine beats hand-tuned Splink head-to-head, with historical_50k pairwise F1 0.827 vs 0.757, cluster B³ 0.862 vs 0.788, one shared evaluator, reproducible bake-off. Fuzzy, exact, probabilistic (Fellegi-Sunter), and LLM scorers, with EM-trained weights and calibrated scores.
• A healing loop, not a one-shot. Zero-config gets you most of the way; then every run checks a free unsupervised signal and, when there's headroom, attaches ranked, self-verified config tweaks to result.suggestions. Each is kept only if it doesn't worsen a health proxy, so a suggestion never makes results worse. dedupe_df(df, heal=True) applies and re-runs in one call. You close the gap to expert-tuned without being the expert.
• Privacy-preserving record linkage. Match across organizations without sharing raw data: Bloom-filter PPRL, 92.4% F1 on FEBRL4, with HMAC-salted encodings.
• Self-verifying. Every step runs preflight + postflight checks and returns an inspectable report instead of failing silently. That is the "advanced, never black-box" contract that makes an automated identity layer safe to build on.

Runs on unstructured input, too: extract records from PDFs and images, then resolve them like any other source (pip install goldenmatch[documents]).

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Runs where your stack is

The engine and the identity layer reach your stack through the surface you already use, with the same capabilities governed by conformance (one product, two engines) rather than re-implemented thinly per surface.

• SQL-native, at parity. The same functions run inside PostgreSQL (pgrx extension) and DuckDB: dedupe · match · score · auto-config + telemetry · identity-graph reads · profiling · evaluate · Fellegi-Sunter scoring · GoldenFlow transforms. Resolve without moving data out of the warehouse.
• Python and edge-safe TypeScript. The full suite ships on npm alongside PyPI. The TS cores are dependency-free and node:*-free (browsers, Cloudflare Workers, Vercel Edge, Deno); an opt-in WebAssembly backend (await enableWasm()) swaps in the same pyo3-free Rust kernels the Python wheels and SQL UDFs use, with pure-TS as the byte-identical default.
• AI-native by default. Every package ships an MCP server, a REST API, and an A2A agent surface (70+ MCP tools across the suite), all exposing the same JSON telemetry shape across web, TUI, CLI, Postgres, DuckDB, and MCP.
• Spark, with no Python on the executors. The Rust kernels ride into a Spark cluster in one jar (spark.addArtifact("goldenmatch-spark.jar")) and are called over JNI, so executors need no goldenmatch virtualenv, no packed env, nothing installed. Fellegi-Sunter training runs distributed on that path -- the E-step is a Spark GROUP BY over agreement patterns, so the cluster does the counting and the driver only fits the model. Deployment story, not a throughput one: the JVM scoring path measured ~2.4x slower than the Python-worker path, and the reason to use it is that there is nothing to install.
• Pipeline-native. A dbt package (dedupe/match materializations, quality tests, identity-graph reads), a GitHub Action (fail PRs on data-quality regressions), and 13 drop-in Airflow DAGs (Deploy).
• Production paths. Postgres sync, daemon mode, lineage tracking, review queues.

Cross-language parity

Surface parity is not the same as handing any pipeline phase from one language to the other byte-for-byte. Each verdict below is measured by a conformance harness, not assumed:

Boundary	Verdict
Identity graph DB	✅ byte-safe + cryptographically cross-verifiable (a seal written by one toolkit validates under the other)
score → cluster and the end-to-end split-run	✅ byte-safe, reproduces the single-language run
Cluster JSON · config YAML · Learning Memory · record_fingerprint	✅ portable
String scoring	🟡 4-decimal tolerance; a pair on a threshold can flip (byte-identical only with the shared WASM scorer)
Standardize / dates · embeddings · auto-config controller	🟠 divergent, not byte-portable
Distributed / Ray · document (VLM) ingest	⛔ Python-only by architecture

Rule of thumb: hand off at the cluster or identity boundary and it's seamless; don't split across standardize/dates, embeddings, or the controller and expect bit-exact reproduction. Full detail + the runnable harness that keeps these verdicts honest: Cross-language parity & phase-handoff limits.

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The suite: the pipeline into the spine

GoldenMatch is the headline, but resolution is only as good as what feeds it. Five sibling tools clean, standardize, and map records before they reach the identity layer. Each stands alone, but they compose into one pipeline, orchestrated declaratively by GoldenPipe:

flowchart LR
    raw([raw rows])
    golden([golden entities])
    subgraph orchestration ["GoldenPipe orchestrates"]
        direction LR
        infermap[InferMap] --> goldencheck[GoldenCheck] --> goldenflow[GoldenFlow] --> goldenmatch[GoldenMatch]
    end
    raw --> infermap
    goldenmatch --> golden

Package	Lang	Role in the pipeline	Install
InferMap	Python · TS	Schema mapping: auto-aligns columns across heterogeneous sources	pip install infermap · npm i infermap
GoldenCheck	Python · TS	Data-quality scanning: encoding, format validation, anomaly detection	pip install goldencheck · npm i goldencheck
GoldenFlow	Python · TS	Transforms & standardizers: phone, date, address, categorical	pip install goldenflow · npm i goldenflow
GoldenMatch	Python · TS	Zero-config entity resolution → the identity spine. Headline package.	pip install goldenmatch · npm i goldenmatch
GoldenAnalysis	Python · TS	Analysis & reporting: any stage's artifacts → a unified AnalysisReport + cross-run regression detection	pip install goldenanalysis · npm i goldenanalysis
GoldenPipe	Python · TS	Orchestrator: declarative YAML wiring the steps	pip install goldenpipe · npm i goldenpipe
golden-suite	Python	One-line meta-install: the whole suite + native acceleration	pip install golden-suite

The deepest docs live in packages/python/goldenmatch/README.md (~1,300 lines: full feature list, CLI, architecture, benchmarks).

Shared components

Not pipeline stages — the pieces the stages agree through, and the single front door an agent points at.

Package	What it is	Install
goldencheck-types	Shared canonical field-type registry: one source of truth for what a field type means, across every package and both languages	pip install goldencheck-types · npm i goldencheck-types
goldensuite-mcp	One MCP server exposing every suite tool under a single endpoint (stdio or Streamable HTTP)	pip install goldensuite-mcp

Owned libraries (standalone)

The suite owns its string-matching primitives instead of renting them: byte-identical drop-in replacements, published on their own so they're usable outside the suite too.

Library	Replaces	What it is	Install
goldenfuzz	rapidfuzz	Fuzzy-string scorers + the full fuzz.* composite family + one-vs-many extract/cdist. Byte-identical (oracle-fuzzed), faster on short strings.	pip install goldenfuzz · cargo add goldenfuzz-core
goldenphonetic	jellyfish	Phonetic encoders: soundex / metaphone / nysiis / match-rating. Byte-identical (6,000-input + 2,500-pair fuzz corpus), pure-Rust zero-dep.	pip install goldenphonetic · cargo add goldenphonetic-core
goldenmatch-hnsw	FAISS IndexHNSWFlat	Pure-Rust HNSW approximate-nearest-neighbor index (zero C deps). Powers embedding-based blocking across Python, Rust, and TS/WASM.	pip install goldenmatch-hnsw

Knowledge graphs

Entity resolution is the stage most GraphRAG pipelines do worst: duplicate surface forms of one entity scatter across documents. Two packages put GoldenMatch's resolution there:

Package	What it does	Status
goldenmatch-kg	Drop-in GoldenMatch resolution as the ER stage of existing KG frameworks (neo4j-graphrag, LlamaIndex, Graphiti).	in-repo · not published (by design)
goldengraph	Build-your-own-KG from text: text → LLM extraction → GoldenMatch resolution → durable bi-temporal store. Rust engine; ER is the differentiator.	in-repo · first PyPI release pending

Measured, not asserted (ER-KG-Bench): resolution scores F1 0.602 on the labelled set, ahead of Neo4j-KGBuilder (0.456), neo4j-graphrag (0.403), and MS-GraphRAG / LightRAG / Cognee / mem0 (0.066). A resolved graph also does two things passage-window RAG structurally can't: exact aggregation (size-invariant where RAG recall collapses 0.99 → 0.64 across cluster-size buckets) and temporal as-of (1.000 vs 0.002 on past-date queries).

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Scale & benchmarks

Every headline number maps back to a single committed runner (scripts/run_benchmarks.py); see docs/reproducing-benchmarks.md for per-number commands, dataset URLs, and expected output with tolerance.

• Accuracy on customer-shaped data. NC Voter 0.9719 F1 (real-data sample), Febrl3 0.9912 F1; the opt-in Fellegi-Sunter path beats hand-tuned Splink head-to-head on every dataset Splink scores (bake-off). (Bibliographic DBLP-ACM lands 96.4% F1 for the record-linkage crowd, but customer identity is the focus.)
• Privacy-preserving. PPRL 92.4% F1 on FEBRL4, matching across parties with no shared raw data.
• Scale envelope (docs/scale-envelope.md): per-backend ranges (in-memory/bucket to a few M · DuckDB out-of-core to ~50M · Ray distributed ≥ 50M), block-size failure modes, and a decision tree for picking a backend.

Verified on the Ray tier: a full 100M-row dedupe on a 5-node Ray cluster in 9.2 min (554 s), 20,000,000 golden records recovered exactly, driver peak 0.36 GB RSS. (The larger 250M / 11.2 min headline is the Spark tier on a different cluster shape -- the two are separate lanes, not one number superseding the other, and this one is what carries the recall-complete guarantee below.) The default distributed path is recall-complete: duplicates merge correctly no matter how the input is partitioned (blocking-key shuffle scoring + distributed randomized-contraction WCC), and it stays driver-collect-free end to end. Recipe: configs/distributed-100m.yaml.

Fellegi-Sunter training, distributed on Spark: the E-step collapses to one Spark GROUP BY over agreement patterns, so training cost tracks the number of DISTINCT comparison vectors (bounded by prod(levels + 1)), not the pair count. Measured on a real 2-worker Spark cluster (jar-only executors, no Python installed), 1M -> 5M rows: candidate pairs grew 5.00x and the distributed counting stage 5.25x, while distinct patterns grew 3.0% (433 -> 446) and driver-side EM stayed at 0.01s. That is the property the tier rests on -- the cluster absorbs the data, the driver's work stays flat.

Head-to-head vs Splink on a real Spark cluster, at 50M rows. Both engines on the same 5-node cluster, the same fixture, the same shared metric implementation, and Splink configured the way its own performance guide prescribes -- break_lineage_method="parquet" onto a real distributed filesystem, shuffle partitions at 5x cluster cores, and identical 48 GB executors. Over 463,923,179 candidate pairs, scored identically by both:

	GoldenMatch	Splink	ratio
wall	552s	1,054s	1.91x
u / estimate	3.5s	30.8s	8.78x
shuffle write	86.8 GB	212.1 GB	2.44x
stages	119	394	3.31x
executor CPU	31,300s	51,572s	1.65x

Reported with it, because a benchmark that only publishes its wins is not evidence: the margin still narrows with scale (2.54x at 1M -> 1.91x at 50M), single runs on this lane move ~16% so no one ratio should carry much weight, zero spill was scale-bounded on the build that curve measured (true at 50M, 56.4 GB at 100M, 201.3 GB at 250M -- since taken to zero at 250M by #2698, so the caveat describes the curve rather than the shipped path), the fixture is synthetic, and the accuracy figures in it are not an accuracy verdict -- for that, see the bake-off. Measured further since: 250M rows / 2.32 billion pairs in 670s on the same 5-node cluster, no executor deaths and zero failed tasks, at 0.289 seconds per million pairs -- 4.13x faster than the 2,766s that curve first measured, with 3.1x less executor CPU, zero spill and a byte-identical trained model. Cost stays linear in PAIRS rather than rows; the constant got four times smaller. Four earlier attempts at this comparison were invalid because we had misconfigured Splink; each defect and its effect is documented alongside the results. Full method, caveats and reproduce command.

Three reproducible real-world pipelines run this on public data at scale:

• shell-company-network: investigative ER across ICIJ Offshore Leaks + OpenSanctions + GLEIF + UK PSC. −62.5% analyst-hours to triage vs single-source baselines.
• vuln-attribution: 6,126,895 OSS-vulnerability records → 847,475 canonical vulns across 40 sources in ~5 minutes on one 64GB runner.
• sanctions-reconciliation: cross-list coverage on 85 public sanctions lists across 50+ jurisdictions.

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Install & quick start

Dedupe a CSV in 30 seconds, zero config, writes <timestamp>_golden.csv:

pip install goldenmatch && goldenmatch dedupe customers.csv

import goldenmatch as gm

result = gm.dedupe("customers.csv")               # zero-config
print(result)                                     # DedupeResult(records=5000, clusters=847, match_rate=12.0%)
result.golden.write_csv("deduped.csv")

result = gm.dedupe("customers.csv",               # or be explicit
    exact=["email"], fuzzy={"name": 0.85, "zip": 0.95}, blocking=["zip"], threshold=0.85)

import { dedupe } from "goldenmatch";           // edge-safe: browsers, Vercel Edge, Workers, Deno
const result = dedupe(rows, { fuzzy: { name: 0.85 }, blocking: ["zip"], threshold: 0.85 });

The whole suite, configured for speed. golden-suite pulls in every package plus the native (Rust) kernels, pinned and defaulted to the perf-optimized config. Native wheels are hard dependencies on purpose: a platform without a wheel fails loudly rather than silently running the slow pure-Python path.

pip install golden-suite
golden-suite doctor        # verify every package + native kernel is importable and healthy
golden-suite optimize      # repair / re-enable the perf-optimized config

pip install golden-suite[mcp]     # + aggregator MCP server (every tool, one endpoint)
pip install golden-suite[all]     # everything

Just GoldenMatch. Fat optional extras, so you pay only for what you use (native acceleration is default on common platforms):

pip install goldenmatch                    # core (CSV in, CSV out) + native
pip install goldenmatch[documents]         # + PDF/image ingest (resolve unstructured input)
pip install goldenmatch[embeddings]        # + sentence-transformers, FAISS
pip install goldenmatch[llm]               # + Claude / OpenAI for LLM boost
pip install goldenmatch[ray]               # + Ray distributed backend (50M+ rows)
pip install goldenmatch[postgres]          # + Postgres sync  (also: [snowflake] [bigquery] [databricks] [salesforce])
pip install goldenmatch[mcp]               # + MCP server     (also: [agent] A2A, [web] browser workbench)

Web workbench. pip install 'goldenmatch[web]' then goldenmatch serve-ui my-project (opens http://localhost:5050): edit rules with live validation, preview against a sampled slice, label pairs (mirrored into Learning Memory), compare runs.

More: examples/, covering Python (quickstart, full pipeline, customer 360, PPRL, MCP client) · TypeScript (quickstart, Vercel Edge, MCP client) · Airflow.

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Deploy

Remote MCP. The hosted endpoint requires a bearer token -- it exposes tools that read and write files on the server, so it is not open. Ask the maintainer for one, or self-host: goldenmatch mcp-serve --transport http is the same server.

{ "mcpServers": { "goldenmatch": {
    "url": "https://goldenmatch-mcp-production.up.railway.app/mcp/",
    "headers": { "Authorization": "Bearer YOUR_TOKEN" }
} } }

Self-hosting on loopback needs no token; binding to a public interface without GOLDENMATCH_MCP_TOKEN is refused rather than served open.

Containers. Every package ships as a multi-arch image (linux/amd64 + arm64) on GHCR, pull anonymously:

docker run -p 8300:8300 ghcr.io/benseverndev-oss/goldensuite-mcp:latest   # one container, every tool
docker run -p 8200:8200 ghcr.io/benseverndev-oss/goldenmatch-mcp:latest   # per-package (also goldencheck/goldenflow/goldenpipe/infermap)
docker run -e POSTGRES_PASSWORD=secret ghcr.io/benseverndev-oss/goldenmatch-extensions:latest   # Postgres + extension

Airflow. 13 drop-in DAGs at examples/airflow/ (TaskFlow API, Airflow 2.7+ / 3.x; idempotent, marker-protected), grouped by lifecycle stage:

Group	DAGs
Core pipeline	daily_dedupe, incremental_match, warehouse_native (Snowflake), customer_360, identity_graph
Privacy	pprl_linkage (two-party PPRL)
Onboarding & monitoring	schema_align_and_load, schema_drift_alarm, quality_gate
Feedback loop	review_worker, active_learning
Operationalize	reverse_etl (Salesforce/HubSpot), backfill

---

Repository layout

goldenmatch/
├── packages/
│   ├── python/        goldenmatch · goldencheck · goldenflow · goldenpipe · infermap · goldenanalysis
│   │                  goldensuite-mcp (aggregator) · golden-suite (meta) · goldengraph · goldenmatch-kg
│   ├── typescript/    full TS ports (edge-safe cores + WASM) · goldencheck-types
│   ├── rust/extensions/  Postgres pgrx + DuckDB UDFs + native kernels + owned libraries (own Cargo workspace)
│   ├── dbt/goldensuite/  dbt materializations, tests, macros
│   └── actions/goldencheck/  GitHub Action
├── examples/          python · typescript · airflow (drop-in DAGs)
├── context-network/   architecture decisions + design docs (ADRs, the two-engine frame, Customer 360)
├── docs/superpowers/  design specs and implementation plans
└── justfile · pyproject.toml (uv workspace) · pnpm-workspace.yaml (Turborepo) · .github/workflows/ci.yml

• Cargo: no root workspace. packages/rust/extensions/ is itself a Cargo workspace (the postgres crate is excluded for pgrx); Cargo commands run from inside it.
• TypeScript: one pnpm workspace. packages/typescript/* form a single pnpm + Turborepo workspace.

just install   # uv sync + per-package npm install + cargo fetch
just test      # all languages   ·   just lint   ·   just build

Contributing

• Feature work on feature/<name> branches; merge via squash PR. Titles: feat: / fix: / docs:.
• Tests must pass on all three languages where the change applies; the parity harness in packages/typescript/goldenmatch/tests/parity/ enforces 4-decimal Python ↔ TypeScript scorer parity.
• Architecture changes conform to (or amend) the one-product-two-engines frame in the same PR. Design rationale lives in context-network/decisions/ and docs/superpowers/specs/.

corepack enable                               # one-time, picks up pnpm@9.15.0
pnpm install
pnpm turbo run build test typecheck           # full pipeline (cached after first run)

Windows: enable Developer Mode so pnpm install can create symlinks; if corepack enable needs admin, npm i -g pnpm@9.15.0 is equivalent.

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_{This repo was formed on 2026-05-01 by folding 8 sibling repos into goldenmatch via git filter-repo (full history preserved). Built by Ben Severn. MIT, see LICENSE.}