The real catalog of tools for AI agents

JSONPlaceholder MCP — wraps JSONPlaceholder fake REST API (free, no auth)

Placeholder JSON test data. No key required.

Fake, mock and test data generator: CSV, JSON, SQL from a .tdc config, made locally by TDCv2.

Test generation, mocks, coverage analysis for AI agents

Fake test data (CSV, JSON, SQL) from a schema. Reserved-range identifiers; reproducible by seed.

Generate deterministic placeholder image URLs and packs for docs, staging, testing, and AI agents.

Mock, record/replay, verify and chaos-test any HTTP, REST, gRPC or LLM dependency over MCP.

Dummy JSON test data. No key required.

MCP server for the OpenTofu/Terraform native test framework: scaffold, mock, validate, run tests

AI-callable tools for API mocking, testing, monitoring, security, and automation.

Generate fake user profiles and companies for tests, seed data, and AI agent demos.

Realistic synthetic test data — valid PESELs, NIPs, IBANs, addresses, people across 27 EU countries.

Pare Test ג€” Auto-detects test framework (pytest, jest, vitest, mocha), returns typed JSON.

Free human usability tests for agent-built websites. Submit tasks; get written findings as JSON.

Test server

Deep links to pixel-perfect fake chat & screenshot generators (iMessage, WhatsApp & more).

Independent checks of paid x402 data sellers and of AI-agent access to shopping and travel sites

Canadian citizenship test practice: verified questions, mock tests, IRCC stats, eligibility tools.

Testing publish command

Find psychological self-assessment tests in English, Spanish and Russian, with links to take them.