[DATA] Seed ecosystem data, scripts, and CI

.github/workflows/validate.yml

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+name: Validate Data
+
+on:
+  pull_request:
+    paths:
+      - 'data/**'
+  push:
+    branches: [main]
+    paths:
+      - 'data/**'
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - name: Install dependencies
+        run: pip install pyyaml
+
+      - name: Validate YAML data files
+        run: python3 scripts/validate.py
+
+      - name: Generate JSON
+        run: python3 scripts/generate-json.py
+
+      - name: Check dist output
+        run: |
+          test -f dist/ainative-projects.json && echo "ainative-projects.json OK"
+          test -f dist/categories.json && echo "categories.json OK"

CONTRIBUTING.md

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+# Contributing to ainative-ecosystem
+
+> Add your tool or project to the AI-Native Developer Ecosystem Directory.
+
+## What belongs here
+
+This repo tracks two things:
+
+1. **AINative projects** (`data/ainative-projects.yaml`) — maintained by the AINative Studio team
+2. **AI-native developer tools** (`data/ecosystem-tools.yaml`) — the broader landscape of tools developers use to build AI-native applications
+
+We accept additions to the ecosystem tools list from anyone. AINative projects are managed internally.
+
+---
+
+## Adding a tool
+
+### 1. Fork and clone
+
+```bash
+gh repo fork AINative-Studio/ainative-ecosystem --clone
+cd ainative-ecosystem
+```
+
+### 2. Add your tool to `data/ecosystem-tools.yaml`
+
+Append a new entry to the `tools` list. Required fields are marked with `*`:
+
+```yaml
+- name: "Your Tool Name"          # * Display name
+  slug: "your-tool-name"          # * Unique, URL-safe slug (lowercase, hyphens only)
+  description: "One sentence."    # * 10–120 chars. What it does, not marketing copy.
+  category: "llm-frameworks"      # * See categories below
+  homepage: "https://example.com" # Optional
+  repo: "https://github.com/..."  # Optional but strongly encouraged
+  license: "MIT"                  # Optional — use SPDX identifier
+  language: "Python"              # Optional — primary language
+  open_source: true               # Optional — default: inferred from license
+  tags: ["tag1", "tag2"]          # Optional — max 6, lowercase kebab-case
+```
+
+### 3. Validate locally
+
+```bash
+pip install pyyaml
+python3 scripts/validate.py
+```
+
+All checks must pass before opening a PR.
+
+### 4. Open a PR
+
+Branch name: `add/your-tool-slug`
+
+PR title: `Add [Tool Name] to ecosystem`
+
+CI will run `validate.py` automatically on your PR.
+
+---
+
+## Categories
+
+| ID | Description |
+|----|-------------|
+| `llm-frameworks` | Frameworks for building LLM applications |
+| `agent-frameworks` | Multi-agent orchestration and coordination |
+| `vector-databases` | Vector search and embedding storage |
+| `rag` | Retrieval-augmented generation tools |
+| `mcp-servers` | Model Context Protocol servers |
+| `agent-memory` | Persistent memory for AI agents |
+| `observability` | Tracing, debugging, and monitoring |
+| `prompt-engineering` | Prompt tools and structured generation |
+| `embedding-services` | Embedding models and APIs |
+| `inference` | LLM serving and inference engines |
+| `ide` | AI-powered IDEs and coding assistants |
+| `ui-components` | Chat and AI UI component libraries |
+| `evaluation` | LLM and RAG evaluation frameworks |
+| `integrations` | Connectors and adapters |
+| `starter-kits` | Templates and boilerplate |
+| `community` | Community projects and resources |
+
+Don't see your category? Open an issue first.
+
+---
+
+## Criteria
+
+We accept tools that are:
+- Actually used by developers building AI-native applications
+- Maintained (last commit within 12 months) or actively supported
+- Have a public homepage or GitHub repo
+
+We do not accept:
+- Closed-source tools without a public API or documentation
+- Promotional entries with no technical substance
+- Duplicates of existing entries (open an issue to request merging)
+
+---
+
+## Questions
+
+Open an issue or reach us at [ainative.studio](https://ainative.studio).