Tiden icon

Tiden

Tiden verifies coding agents’ code against versioned specs, generated tests, and a quality gate, giving engineering teams proof before changes are merged and released.

Tiden

Intent verification for coding agents

Tiden is an intent-verification tool for engineering teams using coding agents. It reads a codebase, maps the product's components and specifications, and identifies promises that are not yet covered by tests. Those specifications are kept versioned beside the code rather than treated as a one-time planning document.

During an agent session, Tiden provides a working contract for the requested change. Generated tests and a quality gate connect the requested behavior to evidence: open promises keep a session from closing, and merged pull requests can receive a verified-change verdict. Release views and error tracking extend that record beyond code review so teams can see what was promised, what passed, and where production issues trace back to a release.

Core capabilities

Product and intent mapping

Tiden reads the codebase and records product components and specifications, including which promises do not yet have test coverage.

Versioned specifications

Specifications remain versioned beside the code, and Tiden drafts an update on every merge, including merges that bypass Tiden.

Agent working contracts

Each agent session starts from a working contract of the requested behavior. A session cannot close while a promise remains open.

Generated tests and quality gate

Tiden links promises to generated tests and shows whether each test is running, passing, or still open before a change is merged.

Change and proof review

Branches show what changed, what the code was supposed to do, and which tests prove it, leaving review with the team's reviewer.

Release and error traceability

Release views provide a verdict by part, and production errors can be traced back to the release associated with the missing test or behavior.

Practical use cases

  • Controlling agent coding sessions

    Give an agent a session-level contract for a feature, then keep the session open until the requested promises have corresponding test evidence.

  • Reviewing generated pull requests

    Use branch and pull-request views to compare the requested behavior with the implementation and the tests that prove it before merging.

  • Keeping product intent synchronized

    Maintain a current map of components, specifications, and test coverage across a product as code changes merge, including changes made outside Tiden.

  • Investigating release risk and errors

    Inspect release coverage by product area and follow production errors back to the release and missing test associated with the behavior.

Pros and Cons

Pros

  • Connects agent-written changes to explicit product specifications and test evidence.
  • Keeps specifications versioned beside the code and updates the record on merges.
  • Supports a workflow spanning agent sessions, pull-request review, releases, and production error tracing.
  • Works alongside Claude Code, Cursor, Copilot, and Codex, with named connections for GitHub, Jira, Linear, Notion, and Azure DevOps.

Cons

  • The available product material does not explain the full installation, session, repository, CI, or deployment workflow beyond the homepage summary and command-line installer.
  • The quality model depends on promises being represented by tests; the site shows that uncovered behavior is flagged, but does not describe how every type of requirement is handled.

FAQ

How does Tiden verify agent-written code?

Tiden reads the codebase, maps product components and specifications, and keeps specifications versioned beside the code. Coding agents then start sessions from that working contract, while tests and a quality gate verify the promises made by a change.

How do I get started with Tiden?

The homepage shows a command-line installation using `curl -fsSL https://tiden.ai/install.sh | bash`. The site does not provide more detailed setup instructions in the available material.

Which coding agents and tools does Tiden support?

Tiden is shown working beside Claude Code, Cursor, Copilot, and Codex. The homepage also names GitHub, Jira, Linear, Notion, and Azure DevOps as connected tools, although the available content does not specify the exact integration workflow for each.

What counts as a verified change?

A verified change is a pull request that merges with a passing quality gate. It is billed once regardless of the number of runs; retries, failed changes, and bot commits are free.

Is there a free trial?

Yes. The pricing page offers 14-day free trials on Starter and Team. Billing begins on day 15 if the plan is retained.

Quick Facts

Category
Developer Tool
Primary users
Engineering teams shipping coding-agent changes
Coding agents
Claude Code, Cursor, Copilot, and Codex
Named tool connections
GitHub, Jira, Linear, Notion, and Azure DevOps
Core workflow
Intent capture, generated tests, quality gate, release verdicts, and error tracing
Installation
Command-line installer available at tiden.ai/install.sh