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2ools

2ools MCP Server

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Remote

2ools MCP Server

Remote MCP server for 2ools — build, version, review and export websites, web apps and games from inside the AI chat you already use.

MCP Registry Transport Tools

https://2ools.app/mcp

Your assistant writes the site. 2ools is where it lives: every result becomes a restorable version, previews are shareable links that need no account to open, and the source exports as plain files with no proprietary runtime.

One tool is free and needs no account at all — create_public_preview turns a standalone HTML document your model just wrote into a real, viewable URL. The rest connect over OAuth 2.1 with PKCE and least-privilege scopes.

Quick start

Claude Code

claude mcp add --transport http 2ools https://2ools.app/mcp

Claude Desktop, Cursor, Windsurf, VS Code

Add to your MCP config:

{
  "mcpServers": {
    "2ools": {
      "type": "http",
      "url": "https://2ools.app/mcp"
    }
  }
}

Full setup guide, including OAuth for paid features: https://2ools.app/connect-ai

Registry introspection proxy

Registries that require a local stdio process can run the included credential-free proxy. It forwards MCP JSON-RPC traffic to the same verified remote endpoint; it does not mock or reimplement any 2ools tools. It translates the stdio handshake into the remote endpoint's current per-request MCP envelope and returns the live schemas from 2ools.

npm ci
npm start

The included Dockerfile runs the same dependency-free proxy for reproducible registry introspection. It intentionally does not perform an interactive OAuth flow. Clients using authenticated workspace tools should connect directly to https://2ools.app/mcp so OAuth remains end-to-end with 2ools.

2ools Skill

For assistants that support repository skills, add or copy the 2ools Skill. It keeps the temporary-preview and OAuth workspace boundaries explicit. Client support for remote MCP and Skill folders varies; use that client’s documented connection flow when it does not support this layout.

Try it with no account

Ask your assistant:

Write this as one standalone HTML document, create a free 2ools preview, and show me the link.

You get back a real URL that anyone can open. It expires after 24 hours.

Related MCP server: mcp-devtools

What you can do with it

Ask your assistant…

It uses

"Open this generated site in 2ools and give me a client-safe preview link"

create_public_preview

"Save this conversation as a durable 2ools project"

build_from_conversation

"Make the hours bigger and show me the new version"

refine_project

"Compare the last two versions"

compare_versions

"What changed on this project since Tuesday?"

get_project_activity

"Export the source as a zip"

prepare_version_export

Tools

43 tools, each with explicit readOnlyHint and destructiveHint annotations so a client can reason about blast radius before calling anything.

Free — no account required

Tool

Effect

What it does

create_public_preview

write

Turn a complete standalone HTML document already created in this chat into a temporary, read-only 2ools preview.

Build and refine

Tool

Effect

What it does

build_from_conversation

write

Create a new 2ools project from a structured conversation brief and queue one durable build.

refine_project

write

Create one protected child version from a saved base version and concrete review feedback.

get_build

read-only

Get one build's current status, progress, errors, completed version IDs, and protected preview URLs.

cancel_build

destructive

Cancel a queued or running non-Agent 2ools build.

compare_versions

read-only

Compare two saved versions in one project without returning source.

list_build_systems

read-only

List the Curators, Rulebooks, and Skills this paid account may explicitly apply.

Read a project

Tool

Effect

What it does

list_projects

read-only

List recent 2ools projects the authenticated account can access, including owned and shared projects.

get_project

read-only

Get a 2ools project's brief, selected pages, active version, and compact version history.

get_project_context

read-only

Read one source-free operating packet before acting: the active version, exact frozen Curator snapshot, revision-…

render_project_preview

read-only

Render an interactive, read-only card for one saved 2ools version.

get_project_activity

read-only

Read the attributable project timeline across human work, external MCP agents, builds, versions, feedback, and…

wait_for_project_activity

read-only

Wait up to 20 seconds for attributable project events newer than a head_cursor or prior next_cursor.

Review and approval

Tool

Effect

What it does

list_approval_requests

read-only

List exact saved versions waiting for a separately delegated reviewer.

approve_version

destructive

Use separately delegated review authority to approve one saved version and make it the project's active version.

reject_version

destructive

Use separately delegated review authority to reject one saved version.

Feedback and shared notes

Tool

Effect

What it does

list_project_feedback

read-only

Read page-anchored review feedback for versions in a project, with explicit human or external-agent attribution.

add_project_feedback

write

Add an attributable review comment to a saved project version.

resolve_project_feedback

destructive

Owner-only review decision that resolves or reopens one saved feedback item.

list_project_pins

read-only

Read shared workspace notes and http(s) links, with explicit attribution.

add_project_pin

write

Add an attributable note or safe http(s) link to the shared project workspace.

remove_project_pin

destructive

Remove one shared workspace pin.

Export and sharing

Tool

Effect

What it does

prepare_version_export

read-only

Create a five-minute download URL for an exact saved version.

get_version_share_link

read-only

Read the durable sharing state and current URL for one exact saved version.

create_version_share_link

write

Create or recover a durable public or code-protected link for one exact saved version.

revoke_version_share_link

destructive

Disable every existing public or code-protected URL for one exact saved version.

Artifacts

Tool

Effect

What it does

list_artifacts

read-only

List durable project artifacts and each latest immutable version without returning stored bytes.

get_artifact

read-only

Read one artifact's immutable version history, provenance, attribution, digests, and review states without…

prepare_artifact_upload

write

Create a five-minute PUT URL for exact bytes.

prepare_artifact_download

read-only

Create a five-minute download URL for one immutable artifact version.

list_artifact_approval_requests

read-only

List exact artifact versions awaiting or carrying a human review decision.

approve_artifact_version

write

Approve one pending immutable artifact version and make it current.

reject_artifact_version

write

Reject one pending immutable artifact version with useful feedback.

Agents

Tool

Effect

What it does

list_project_agents

read-only

List the authorizing account's built-in Agents assigned to one readable project.

get_agent

read-only

Read one Agent's saved Limits, trigger, immutable revision summaries, and redacted append-only run traces.

run_project_agent

write

Queue real execution for a project-linked Agent the person already test-ran and armed.

cancel_agent_run

destructive

Stop one queued or running Agent execution and close its durable run history.

Work assignments

Tool

Effect

What it does

list_work_assignments

read-only

List durable project work contracts, bounded attempts, leases, budgets, and result references.

create_work_assignment

write

Create a durable assignment with acceptance criteria and hard step, time, and spend ceilings.

claim_work_assignment

write

Atomically claim one open assignment and receive a five-minute renewable lease plus an immutable budget snapshot.

heartbeat_work_session

write

Renew the authenticated worker's active lease without widening its immutable step, time, or spend ceilings.

submit_work_session

write

End the authenticated worker's lease and submit typed result references for a separate review decision.

decide_work_assignment

write

Complete submitted work or reopen it with useful feedback.

Authentication

Access

Method

Scopes

create_public_preview

none — genuinely authless

—

Everything else

OAuth 2.1 authorization code + PKCE (S256)

least-privilege, consented per connection

The authorization server publishes RFC 8414 and RFC 9728 discovery documents at /.well-known/oauth-authorization-server and /.well-known/oauth-protected-resource, supports RFC 7591 dynamic client registration, rotates refresh tokens with family revocation on replay, and stores only token digests.

Review authority is deliberately separate from build authority. projects:build lets an agent produce candidate versions; approve_version and reject_version require projects:approve, which is excluded from default grants. An agent that can build cannot sign off on its own work unless a human explicitly delegates that.

Design notes

Source never travels through the model transcript. Exports and artifact downloads are five-minute signed URLs bound to the action, the account and the exact version. The MCP response carries metadata and links, not bytes — so a large site does not consume the context window, and generated source is not replayed into a provider log.

Shared previews run in an opaque-origin sandbox. A shared page is served under a CSP sandbox with connect-src 'none', so a site built by a model cannot read the viewer's cookies, storage, or reach the network.

External agent output enters review, not production. An artifact uploaded by an outside agent is stored immutably and marked pending; it cannot become the current version until a human with review authority approves that exact digest.

Interactive previews use MCP Apps. render_project_preview returns a real interactive card via ui://2ools/project-preview-v1.html rather than a wall of text.

Links

Registry

Published to the official Model Context Protocol registry under the domain-verified namespace app.2ools/mcp.

curl "https://registry.modelcontextprotocol.io/v0/servers?search=2ools"

Status

The endpoint is live in production. Health, including the exact deployed release:

curl https://2ools.app/api/health

License

MIT — see LICENSE. This repository holds the server's public manifest and documentation; the 2ools application itself is a hosted product.

Install Server
A
license - permissive license
A
quality
A
maintenance

How are these scores calculated?

Maintenance

–Maintainers
–Response time
–Release cycle
1Releases (12mo)
Commit activity

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