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100
MCP live MCP 2026-07-28 http

Playwright MCP Server

com.cromanion/cromanion

Raise conversion on a site you manage. No API key, no human to wake — you prove the domain.

Watch this dependency Share evidence report
Uptime
100.0%
5 direct probes · 30d
Response
705ms
last probe
Tools
29
callable
Resources
1
readable
Prompts
0
available
Primary URL
https://cromanion.com/api/mcp
Score: 100/100
Handshake verified by our own probe.
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
29 tools, 1 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
30 items in total; 3 or more earns these points.
pass Describes itself 10/10
91 characters; more than 30 earns these points.

Tools · 29

cromanion_open_claim

Start here, and you need nothing to do it — no API key, no human. This call takes no credential and creates NOTHING: no account, no key, no charge. It returns a challenge to publish on the site you ma…

cromanion_verify_claim

Redeem a claim once you have published one of its three proofs (a /.well-known file, a <meta> tag, or a DNS TXT record). On success it creates the account and the site and returns the tracking snippet…

cromanion_site_status

Check the site you provisioned: whether the tag is actually live (a beacon received from your own domain, not merely a snippet handed to you), how the crawl is going, and the plan. Poll this after ins…

cromanion_install_check

Why the tag is not firing. cromanion_site_status tells you `verified: false`; this tells you WHY — fetching your human's own pages and reporting, per page, whether the tag is there and what is stoppin…

cromanion_upgrade_link

Get a Stripe Checkout link for a paid plan (pro or growth). Returns a URL and nothing else — YOU do not pay and cannot: give the link to your human, who enters their own card. The site works on the fr…

cromanion_errors

Every refusal this server can return, and what to do about each. Needs no credential — you can read it before you have one, or after a refusal has told you the one you had is gone. The field to branch…

cromanion_grants

List what your human has allowed this agent to do, and what they have not. Read this before assuming a capability — the alternative is discovering your permissions by failing in front of them. You can…

cromanion_pending

Everything on this site that is waiting for a decision: page rewrites the agent wants to make, rules it distilled from real sessions, conversions it spotted but has never counted, and pages your traff…

cromanion_config

Everything IN FORCE on this site: the conversions that count, the facts you may state and the ones forbidden, which surfaces are enabled, the brand, and every distilled rule WITH its status. cromanion…

cromanion_decide

Rule on one thing from cromanion_pending: pass its `kind` and `id` back unchanged with a decision. `approve` / `reject` for everything; `pause` additionally for a playbook rule. Approving a GOAL is di…

cromanion_set_playbook

Reword a distilled rule, or ask for a fresh distillation. Rules are what the agent learned from real sessions; cromanion_decide approves or pauses them, and this changes what they SAY. Send a ruleId w…

cromanion_ask_human

Ask your human for something only they can do, in a place they will actually see it. Every other refusal here ends with YOU reading it — a permission they did not grant, a payment you cannot make, a m…

cromanion_mark_read

Mark notifications read once you have passed them on to your human. cromanion_pending returns the unread ones and nothing cleared them, so the queue grew for ever and you re-read the same items on eve…

cromanion_impact

What the agent has actually changed: visitors who saw it versus the 10% held back as a control. Read `liftStatus` before reporting anything — `learn` means nothing has been shown yet and `insufficient…

cromanion_visits

List your human's recent visits — each with its pages, how it ended, what Cromanion's agent showed or held back, the doubts it read, and the start of the visit's story. Filter by page, outcome, doubt,…

cromanion_visit

One visit in full: the story of each page load, every moment Cromanion's agent looked at the visitor and what it decided, what the visitor actually saw, and the doubts it read. Pass the `visitId` from…

cromanion_live

Who is on your human's site right now: each visitor's pages so far, what the agent showed them, and its current reading of them. Paid plans only (Pro and up) — on Free it is refused with the way to up…

cromanion_set_mode

Switch the agent on. `learn` watches and shows visitors nothing; `act` lets it intervene in your human's name. `customizeMode` is a separate axis for rewriting their own page copy: `off`, `shadow` (pr…

cromanion_add_goal

Define a conversion to count, or change one you already defined. This is not one more setting: it is the numerator of every impact figure your human will read, so a goal that fires on every pageview m…

cromanion_crawl

Re-read the site, and name the pages that matter most so they are read first. You know this site's structure better than its owner does — seeding it is the cheapest real improvement to what the agent …

cromanion_add_site

Add another of your human's sites to their account, on a plan that allows more than one. Reaching a site they already own needs no proof — they added it. CREATING one does: nothing about holding a cre…

cromanion_claim_domain

Claim another host for this site so its traffic counts, or give one up with `remove: true`. A DIFFERENT registrable domain must be proven on its own — publish this claim's challenge there too, then ca…

cromanion_set_voice

Write the facts the agent may state to visitors, and the things it must never say. Plain sentences, one idea per line; start a line with 'never' to forbid something. Anything you write that your human…

cromanion_set_surfaces

Choose where the agent may speak and what those places look like: which layout surfaces are enabled, whether the exit modal is allowed, custom CSS, and per-surface HTML. Markup and CSS are re-checked …

cromanion_set_holdout

Set the share of visitors held back from the agent so its effect stays measurable (0.05–0.5). Changing it splits the measurement window: periods either side are compared separately and never pooled. N…

cromanion_set_exclusions

Put an excluded device back into the measurement. Your human can mark their own devices as "not a real visitor" so their browsing does not count; this removes one of those marks, by the label they gav…

cromanion_set_brand

Adjust the palette, fonts and button styling the agent paints its surfaces with. The crawl guesses these from a stylesheet; you probably know the real tokens. Cosmetic only — it changes how the agent …

cromanion_set_lead_destination

Set where captured leads are delivered: an https webhook, a connected HubSpot portal, or off. Note before you use it: this is the one change that leaves no other trace — forms keep working and visitor…

cromanion_disconnect_hubspot

Sever the account's HubSpot connection. The other half of cromanion_set_lead_destination's `hubspot` option: you can point leads at a CRM, so you can take them back out. Refused while any site on the …

Resources · 1

errors

The closed set of error tokens, grouped by whether waiting helps. Branch on `retry`: `later` is a cooldown or a transient, `fix_request` means change something and resend, `needs_human` means nothing …

cromanion://errors

How to use

Claude Desktop or claude.ai: add a custom connector (Customize → Connectors; on Team and Enterprise plans an owner adds it under Organization settings → Connectors) with this server URL: https://cromanion.com/api/mcp

Cursor or Cline: add to your MCP config:

{
  "mcpServers": {
    "playwright_mcp_server": {
      "url": "https://cromanion.com/api/mcp",
      "transport": "http"
    }
  }
}