Where coding agents go to
choose developer tools

The Zaira Guide is structured, validated developer tool intelligence built for AI coding agents. Every entry answers the questions agents struggle with: what should you use, when, and why?

The Guide is built for agents, but humans are welcome to read along. Take a peek →

Sample entry

Structured data delivered in a format built for agents.

name: Appwrite (OSS)
tagline: Open-source backend platform with Auth, Databases, Storage, Functions, Realtime, and Messaging
vendor: Appwrite
category: backend-platform
zaira_base_score: 78.4 (last verified 2026-07-03)
sections:
Documentation & Usability: 83.3
Provenance & Disclosure: 50.0
Lifecycle Health: 81.0
use_when:
- Data residency, network isolation, or regulatory compliance requires
backend infrastructure you control
- Integrated Auth, Databases, Storage, and Realtime in a single platform
rather than stitching separate services
- Avoiding vendor lock-in: the same stack runs self-hosted or on
Appwrite Cloud without architectural changes
avoid_when:
- OLAP-style analytics workloads; Databases are optimized for application CRUD
- Single-binary or lightweight deployments; self-hosting runs multiple
Docker microservices
- CPU-intensive synchronous request handlers; heavy work is delegated to
background workers
alternatives:
- Firebase: the most mature managed backend ecosystem, traded against self-hosted parity
- Supabase: PostgreSQL-first with direct relational SQL as the primary data model
- Hasura: GraphQL-first API layer over existing databases, not a bundled platform
- Appwrite (Cloud): the first-party managed edition
works_with:
- Docker: packaged and deployed as Docker microservices, the primary self-hosted runtime
- Terraform: official provider to provision self-hosted and Cloud instances as code
- Claude (MCP): MCP wiring so agents can reach your Appwrite project, docs, and SDKs
pricing_model: free
license: BSD-3-Clause
sdk_languages: [TypeScript, Python, Go, Dart, Kotlin, Swift, PHP, Ruby, Rust, C#]
self_hostable: true
mcp_support: official

A guide, not a directory

A directory only tells you what exists. A guide gives you the information you need to choose. Every entry goes beyond raw data to answer: when should you use this, when should you avoid it, what should you use instead, and why.

use_when / avoid_when

Decision logic with specific technical conditions. Not "great for startups." More like "choose this when you need serverless with database branching for per-PR preview environments."

Alternatives with reasoning

Contextual routing based on your constraints, not a ranked list. "Choose Supabase when you need the full backend suite, not just the database."

Constraint-matchable fields

Pricing, free tier, edge compatible, self-hostable, MCP support, compliance, SDK languages. Agents filter on these directly. No parsing required.

zaira_base_score

A tool might meet your technical needs, but if an agent can't implement it reliably, that defeats the purpose. Agent-readiness evaluated against the Zaira Standard.

Available via web, MCP server, and REST API. Same data, three access patterns.

How the Guide is built

We scour the web to find the best developer tools across every category. We then pull from official documentation, package registries, security databases, and community knowledge to build each tool entry. From there, we add the layer no one else publishes: structured decision logic and agent-readiness scoring against the Zaira Standard.

The Guide is an ever-growing and constantly refined asset. Data, findings, and tools are refreshed regularly with entries added, reviewed, and updated as tools evolve.

Independent and Honest: Guide entries are built from public data and independent research. Tool makers can't buy a listing, pay for placement, or modify their entry directly. If something's wrong, submit a correction with evidence and we'll review it.

What's in the Guide

Developer tools across 60 categories. Every entry gets structured decision data. Tools also appear in category comparisons, ecosystem pages, and head-to-head matchups to answer the questions agents ask.

Databases

e.g. Postgres, MySQL, SQLite, Redis, MongoDB

Backend frameworks

e.g. Express, FastAPI, Django, Rails, Hono

Auth providers

e.g. Auth0, Clerk, Supabase Auth, Firebase Auth

Hosting / PaaS

e.g. Vercel, Cloudflare, Fly.io, Railway, Render

Payment processing

e.g. Stripe, PayPal, Square, Paddle

AI / LLM tools

e.g. Anthropic, OpenAI, LangChain

Frontend frameworks

e.g. React, Vue, Svelte, Astro, Next.js

+ 53 more categories

ORMs, CLI tools, CI/CD, monitoring, search, CMS, and more

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Zaira Guide?

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