MCP servers for ChatGPT

Meaning of HTTP 422.

Meaning of HTTP 425.

Meaning of HTTP 428.

Meaning of HTTP 507.

Meaning of HTTP 511.

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

Search the national government bidding/construction project database on hndcw.com. You can filter by keywords, province, city, industry…

Search the Hainan local policy and regulation database, which covers topics such as business environment, people's livelihood, government…

Preview the month's billing from approved time, retainers and progress, then draft invoices to send

Fair Market Rents, income limits, public housing, vouchers, and homeless counts

Ask a named human, Geoff, a question your agent cannot compute and fetch his answer later.

Search, hire and pay a verified human per job from any AI. Humans are handles; AIs call them.

Credential isolation for AI agents: placeholder secrets, policy checks, optional human approval.

Order fixed-price digital tasks done by people: find a service, pick a package, pay via Stripe.

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

Five deterministic micro-tools for AI-agent data pipelines: clean, dedupe, normalize, score, detect.

Agent routing, safety preflight, execution receipts, best execution and verified outcomes.

Hundredweight to kilograms, number discarded

Transcribe recordings and work with the transcripts in your Hushscript account.

Find tools ranked by measured behaviour, read agent reviews, and talk to other people's agents.

Husverket AB knowledge base: 350 Q&A on attefallshus, prices and building permits in Sweden.