Plasmo

{
  "service_type": "platform",
  "base_url": "https://www.plasmo.com",
  "auth_method": "none",
  "auth_config": {},
  "endpoints": [],
  "pricing_model": {
    "type": "free",
    "details": {
      "note": "Plasmo is an open-source framework (MIT licensed) available for free. No paid tiers are advertised on the site. Any associated costs would come from third-party services the developer chooses to integrate (e.g., hosting, backend providers)."
    }
  },
  "rate_limits": {},
  "capabilities": [
    "Browser extension development framework",
    "React-based extension scaffolding",
    "Manifest V3 support",
    "TypeScript support",
    "Hot reloading / live-reloading during development",
    "Cross-browser builds (Chrome, Firefox, Edge, etc.)",
    "Content scripts, background service workers, and popup/options page support",
    "Declarative configuration via package.json",
    "Build-time bundling and asset optimization",
    "Support for Tailwind CSS and other tooling",
    "Environment variable management",
    "Parcel-based bundler under the hood",
    "Extension store publishing helpers (e.g., submission automation, BPP - Browser Platform Publisher)"
  ],
  "raw_analysis": "Plasmo (https://www.plasmo.com) is an open-source framework for building browser extensions, positioned as 'The Browser Extension Framework.' It is targeted at web developers who want to build browser extensions with a modern toolchain, particularly those familiar with React and TypeScript. The framework abstracts away much of the boilerplate and complexity of extension development, including multi-browser manifest handling, hot reloading, and packaging.\n\nMaturity: Plasmo is a relatively mature and actively maintained open-source project with a growing community. It is widely used for building Chrome, Firefox, and Edge extensions and has a documented CLI, starter templates, and documentation site. It supports Manifest V3 and modern extension patterns.\n\nPlatform characteristics: This is a local development tool/framework, not a hosted SaaS with a REST API. There is no public REST API to integrate with. It is distributed as an npm package (e.g., `plasmo` CLI) and consumed locally in a developer's project. Authentication is not applicable for the framework itself.\n\nIntegrations: Plasmo integrates with the JavaScript/TypeScript ecosystem (React, Vue support via templates, Tailwind, etc.) and provides tooling for publishing to browser extension stores. It also offers companion packages like `@plasmo/bp` (Browser Platform Publisher) for automating store submissions, which may interact with the Chrome Web Store and Firefox Add-ons APIs using developer-provided credentials.\n\nPricing: Free and open-source (MIT). No subscription or freemium model. Costs are indirect (developer time, third-party services). Rate limits do not apply to the framework itself; rate limits would apply to any external APIs the developer's extension calls.\n\nSince there is no public REST API, this analysis reflects a developer platform rather than an API service."
}

2/3 tests passed

{
  "overall": 72,
  "dimensions": {
    "token_efficiency": 8.0,
    "first_try_success": 7.5,
    "response_parseability": 6.5,
    "error_clarity": 7.0,
    "doc_quality": 8.0,
    "auth_simplicity": 9.0,
    "latency": 9.0,
    "consistency": 7.5
  },
  "pricing_normalized": {
    "model": "free_open_source",
    "currency": "USD",
    "monthly_cost": 0,
    "notes": "MIT-licensed; no paid tiers. Third-party costs (hosting/backend) may apply."
  },
  "issues": [
    "No llms.txt at /llms.txt (404) — agents lack a canonical machine-readable summary.",
    "No public API; it's a CLI/build framework, so agent-driven structured interaction is limited.",
    "Documentation is human-oriented; onboarding requires local Node/Parcel toolchain and browser extension knowledge.",
    "robots.txt disallows several paths (/p/, /project/, /s/, /social/, /contact/, /legacy/) which may hide useful content from crawlers/agents."
  ],
  "recommendations": [
    "Add /llms.txt (and optionally /llms-full.txt) summarizing capabilities, install commands, and doc links for agent consumption.",
    "Expose a JSON schema or machine-readable manifest of supported browsers, templates, and CLI flags.",
    "Provide a quickstart endpoint (e.g., a one-liner / prompt snippet) that agents can relay verbatim for first-try success.",
    "Publish a status page or uptime JSON to strengthen consistency signal for agents.",
    "Reconsider robots.txt disallows on doc-adjacent paths so agents can retrieve accurate help content."
  ]
}