AI Agent

Manifest

Manifest converts any URL into a structured JSON map of what AI agents can interact with on a page—buttons, forms, inputs, and required fields.

What is Manifest?

Manifest is an API that transforms any webpage into a machine-readable action manifest by analyzing the accessibility tree and DOM, enabling AI agents to understand and act on interactive elements.

Manifest vs Similar AI Tools

Pricing ModelFree, FreemiumCustom PricingFree, Free TrialFree
Free Credits
Key Features
  • Produces structured JSON manifest of all interactive elements on a page
  • Reads accessibility tree and cross-references with DOM for accuracy
  • No screenshots or hand-maintained CSS selectors required
  • Composable workflows with conditional branching and retry-safe execution
  • PCI-compliant payment stack with tokenized card vaulting
  • Cooperative bot-mitigation via Web Bot Auth, Skyfire KYA, and signed agent identity
  • One living memory: decisions and lessons shared across agents
  • Task coordination: atomic claim of tasks to prevent duplicate work
  • Cross-tool continuity: works with Claude Code, Cursor, Codex, and more
  • Policy before action: checks proposed output before side effect
  • Explicit decision with reason and policies fired
  • Inspectable by default: open-source runtime and wire contract
Pros
  • No fragile CSS or XPath selectors
  • Structured, agent-friendly output
  • Reliable transaction clearing with PCI compliance
  • Works with bot mitigation systems (Cloudflare, Human, Fingerprint)
  • Seamless context preservation across different AI coding tools
  • Automatic memory maintenance without manual note-taking
  • Open source and auditable
  • Prevents side effects before execution
Cons
  • Requires API integration
  • Limited free tier (50 calls/month)
  • Limited to transactional workflows only
  • Requires developer integration effort
  • Currently invite-only, limiting immediate access
  • Requires adoption of Stele CLI and integration into workflow
  • Requires integration effort
  • Early stage, limited community yet
Best For
  • AI agent developers
  • Web automation and scraping engineers
  • Developers automating checkout and payment processes
  • Teams building agentic commerce applications
  • Teams using multiple AI coding agents
  • Developers wanting persistent project memory for AI tools
  • Production AI agents needing safety guardrails
  • Developer teams deploying autonomous agents

How to use Manifest?

  1. 1Sign up for a free API key at app.manifest.omfang.io.
  2. 2Send a POST request to /manifest with the target URL.
  3. 3Receive a JSON response containing an actions array with ids, labels, types, and required fields.
  4. 4Let your AI agent use this structured manifest to decide which buttons to click, forms to fill, and inputs to complete.

Manifest Key Features

  • Produces structured JSON manifest of all interactive elements on a page
  • Reads accessibility tree and cross-references with DOM for accuracy
  • No screenshots or hand-maintained CSS selectors required
  • Survives UI redesigns by relying on semantic page structure
  • Returns required fields, input types, placeholders, and disabled states
  • Cached responses for fast repeat requests at no extra cost

Manifest Use Cases

  • AI agents automating web interactions (form filling, navigation)
  • Web scraping enhanced with action context
  • Automated QA testing and regression checks
  • Building AI-powered browser assistants or chatbots

Manifest Pricing & Free Credits

Manifest currently operates on a Free, Freemium model.

Free TierFree Credits

Free

$0/month

50 calls per month, no overage

Paid Plans

Starter

$29/month

1,000 calls per month, overage $0.08/call

Pro

$79/month

5,000 calls per month, overage $0.05/call

Enterprise

Custom

Custom pricing and call volume

Free

$0/month

50 calls per month, no overage

Starter

$29/month

1,000 calls per month, overage $0.08/call

Pro

$79/month

5,000 calls per month, overage $0.05/call

Enterprise

Custom

Custom pricing and call volume

Manifest Pros & Cons

Pros

  • No fragile CSS or XPath selectors
  • Structured, agent-friendly output
  • Resilient to page redesigns
  • Fast cached responses reduce costs

Cons

  • Requires API integration
  • Limited free tier (50 calls/month)
  • May not capture dynamic content without JavaScript rendered

What is Manifest best for?

  • AI agent developers
  • Web automation and scraping engineers
  • QA teams automating browser testing

Manifest FAQ

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