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Argos

Argos is an open-source visual regression testing platform for Playwright, Storybook, Vitest and Cypress, and an alternative to Chromatic and Percy. It does four things for every pull request. Diff: visual regression testing with deterministic diffs of screenshots and any other file: Markdown, JSON, YAML, HTML, ARIA snapshots. Review: one place for humans and agents to approve what changed, with the verdict on the PR. Stabilize: kill flakes and debug failures with full per-test history. Deploy:

For agents: Open-source visual regression testing platform for Playwright, Storybook, Vitest and Cypress; diffs screenshots on pull requests with review by humans and agent

visual regression testingplaywrightstorybookopen sourcescreenshot diff

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-21T12:49:00.814Z. Cached copy · Source on argos-ci.com

# Argos

> Argos is an open-source visual regression testing platform for Playwright, Storybook, Vitest and Cypress, and an alternative to Chromatic and Percy. It does four things for every pull request. Diff: visual regression testing with deterministic diffs of screenshots and any other file: Markdown, JSON, YAML, HTML, ARIA snapshots. Review: one place for humans and agents to approve what changed, with the verdict on the PR. Stabilize: kill flakes and debug failures with full per-test history. Deploy: free preview URLs for your Storybook or static site on every PR. Everything is reachable from the CLI, the MCP server and the REST API, so AI agents use it end to end.

Pages on argos-ci.com are also available as markdown: send `Accept: text/markdown` and the response is `Content-Type: text/markdown` (HTML stays the default), or read `/md/<path>` directly.

## Product

- [Homepage](https://argos-ci.com/): product overview
- [Diff](https://argos-ci.com/diff): Visual regression testing for screenshots, and diffs for any file: Markdown, JSON, and more.
- [Review](https://argos-ci.com/review): One place for humans and agents to approve what changed.
- [Stabilize](https://argos-ci.com/stabilize): Kill flakes and debug failures with full per-test history.
- [Deploy](https://argos-ci.com/deploy): Free preview URLs for your Storybook or static site on every PR.
- [For AI agents](https://argos-ci.com/ai-agents): MCP server, CLI, agent skills, REST API, and how agents use each pillar
- [Media sharing](https://argos-ci.com/media-sharing): standalone image and video upload with share links, ready-to-paste Markdown, and automatic pull request comments
- [Pricing](https://argos-ci.com/pricing): Hobby (free) and Pro plans

## Integrations

- [Integrations](https://argos-ci.com/integrations): every framework Argos supports
- [Visual testing for Playwright](https://argos-ci.com/integrations/playwright): `@argos-ci/playwright`, `argosScreenshot()` and the reporter, vs `toHaveScreenshot()`
- [Visual testing for Storybook](https://argos-ci.com/integrations/storybook): every story captured with the Vitest addon, plus Storybook deployments, vs Chromatic
- [Visual testing for Vitest](https://argos-ci.com/integrations/vitest): `argosScreenshot()` in browser mode and `argosSnapshot()` for any value, vs `toMatchScreenshot()`
- [Visual testing for Cypress](https://argos-ci.com/integrations/cypress): `cy.argosScreenshot()`, vs image snapshot plugins

## Documentation

- [Documentation](https://argos-ci.com/docs): guides, SDK references, and concepts
- [Documentation for LLMs](https://argos-ci.com/docs/llms.txt): the full docs map in markdown (every docs page also exists as .md)
- [API reference](https://argos-ci.com/docs/api-reference): the Argos REST API at https://api.argos-ci.com/v2
- [OpenAPI description](https://api.argos-ci.com/v2/openapi.yaml): machine-readable API spec
- [Agents](https://argos-ci.com/docs/agents): MCP server, CLI, and agent skills
- [Docs MCP serve
…

Related sites

Other listed sites in AI and machine learning. See the whole category →

Machine-readable: GET /v1/resolve?q=argos-ci.com · GET /v1/domain/argos-ci.com · this page as Accept: application/json or text/markdown · MCP lookup_domain

Automatically discovered from public files. Inclusion does not imply endorsement or publisher participation.

Claim my listing on Agent Web Map for argos-ci.com:
1. POST https://agentwebmap.com/v1/sites/argos-ci.com/claims and keep claim_id and claim_secret private.
2. Publish the proof: add the line "AgentWebMap ownership: <token>" (token from step 1) to https://argos-ci.com/llms.txt, or use the DNS, meta-tag or well-known method the response describes.
3. POST https://agentwebmap.com/v1/sites/argos-ci.com/verify with {"claim_id": "...", "claim_secret": "..."}.
4. Save the api_key from the answer; it manages the listing (PATCH https://agentwebmap.com/v1/sites/argos-ci.com).
MCP equivalent: tools begin_ownership_claim, then verify_domain, at https://agentwebmap.com/mcp. Docs: https://agentwebmap.com/docs#verify

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