generated: '2026-09-03'
method: searched
source: https://schemasure.com/llms.txt
note: >-
  SchemaSure ships a first-party MCP client as an npm package, documented in its own llms.txt.
  There is no hosted/remote MCP endpoint: POST https://schemasure.com/mcp with a tools/list
  JSON-RPC body returned a JSON 404 ("Route not found") on 2026-09-03. The stdio server exposes
  the two extraction tools and signs x402 V2 payments locally with a dedicated Base wallet
  (SCHEMASURE_PRIVATE_KEY); the key never reaches SchemaSure.
deployment:
  mode: local-stdio
  install: npx -y @noamjose/schemasure
  package: https://www.npmjs.com/package/@noamjose/schemasure
  auth: none
  verified: probed
  auth_note: >-
    No API key or OAuth — access is x402 pay-per-call. Paid calls require the
    SCHEMASURE_PRIVATE_KEY env var (a Base wallet private key the client signs with locally).
tools:
- name: extract_to_schema
  description: Turn unstructured text or HTML into JSON guaranteed to validate against a caller-supplied JSON Schema (draft 2020-12), or a typed error at no charge.
  rest_operation: extract_to_schema
  source: llms.txt Capabilities section
- name: extract_image_to_schema
  description: Turn a document image ({data, mimeType} base64 PNG/JPEG/WebP) plus a JSON Schema into schema-valid JSON; always paid, $0.03/image.
  rest_operation: extract_image_to_schema
  source: llms.txt Capabilities section