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Velt

Embeddable review and approval infrastructure for agent-generated work

Velt provides embeddable comments, review, and approval primitives for agent-generated work. Agents can propose changes, humans can approve them in context, and applications can apply approved actions through webhooks while retaining a clear audit trail.

Best for agent capabilities

Useful in agent tasks

Overview

Websitevelt.dev
Authapi key
PricingFree tier available · $0/month
SDKstypescript
OpenAPINo
MCP SupportYes

When to use Velt

Velt is listed for Auth, Identity, Communication workflows. Velt provides embeddable comments, review, and approval primitives for agent-generated work. Agents can propose changes, humans can approve them in context, and applications can apply approved actions through webhooks while retaining a clear audit trail. Consider it when an agent needs this capability through a documented service boundary instead of custom infrastructure maintained inside the application.

In 4agent’s task model, the product maps to User communication, Workflow automation, Authentication and secrets. That makes it a candidate for these tasks: Communicate with users, Automate business workflows, Build and deploy software, Operate production agents.

Integration checklist

  • Access: Confirm the api key authentication flow, credential scope, rotation process, and whether calls can be attributed to a user or service identity.
  • Client support: Official or documented clients are listed for typescript.
  • Automation: OpenAPI: not currently recorded; MCP: listed as available; CLI: not currently recorded. Confirm each requirement in the provider's current documentation.
  • Operations: Test rate limits, timeouts, retry safety, error payloads, logs, data retention, and the current free-tier and paid pricing model with production-like volume.

Sources and verification

Use these primary sources to verify current behavior before making an implementation or purchasing decision. Product capabilities, limits, and prices can change after a 4agent listing is reviewed.