API Development MCP Servers for HTTP / API

MCP server for secureFlows (secure-flows.com). Alias of io.github.michal-lefler/secureflows-mcp.

MCP server for secureFlows: token-free URL builders and integration-linting tools for AI agents.

Send and debug webhooks — applications, endpoints, messages, delivery attempts and replays.

Production proofs for breaking JSON Schema/MCP changes; UNKNOWN/NO_WITNESS_FOUND not compatible.

Traffic Parrot simulates APIs and messaging. Request or withdraw a trial, read docs, send feedback.

Monitor third-party API changes in GitHub repos, map breaks to files, open reviewable auto-fix PRs.

Email verification for AI agents: verify single or bulk emails, check credits and history.

Reliable one-off and recurring HTTPS callbacks for apps and agents.

Register an event callback address.

Find and call verified APIs from any AI assistant, with free trial calls and previewed writes.

Validate emails, phones, IBAN, VAT; look up IPs and companies; rates, holidays, time via Abstract.

Verified, reproduced behavior of public HTTP APIs: spec gaps, errors, pagination, auth.

Webhook, email and DNS inboxes for AI agents to capture callbacks and test integrations.

Evidence-cited machine-readable contracts for how agent platform APIs really behave