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MockHero
MockHero generates realistic, relational synthetic test data from a JSON schema, plain-English prompt, or template — 156 field types, 22 locales, JSON/CSV/SQL output, with valid foreign keys across related tables (orders reference real user IDs, reviews link to real products). Built for AI coding agents and developers who need seed data, fixtures, demo data, or QA datasets without hand-writing repetitive faker scripts. Free keyless preview: generate up to 100 records per request with an explicit table schema, no signup or API key required. For larger volumes or plain-English prompt generation
Follow the source guide for connection and authentication details.
Available tools
estimate_agent_usage
Estimate MockHero agent-plan cost before generating data. No login or API key is required; include an API key only when you want the estimate to use actual daily usage.
create_agent_checkout
Create a loginless Polar Checkout URL for MockHero's metered agent plan. Polar is the Merchant of Record for checkout, tax collection, and remittance. The card payment step needs a human: present the returned url to your operator together with the estimate_agent_usage cost, keep the claim_token private, then poll check_agent_checkout_status and call claim_agent_api_key once paid.
check_agent_checkout_status
Poll a Polar checkout created by create_agent_checkout using the returned claim_token.
claim_agent_api_key
Claim the MockHero API key after Polar marks the loginless agent checkout as paid. The key is returned once.
generate_test_data
Generate realistic JSON, CSV, or SQL test data from structured tables or a plain-English prompt. Explicit table schemas up to 100 records can run free as a proof-of-work preview; plain-English prompt generation, larger requests, and production usage require a MockHero API key.
generate_from_template
Generate realistic test data from a pre-built MockHero template: ecommerce, blog, saas, or social. Small template previews up to 100 records can run free; larger or production usage requires a MockHero API key.
detect_schema
Convert SQL CREATE TABLE statements or one sample JSON object into a MockHero schema that can be passed to generate_test_data.
list_field_types
List MockHero field types, descriptions, parameters, and examples before building a schema.
list_templates
List MockHero's pre-built schema templates for ecommerce, blog, SaaS, and social apps.