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MCP live MCP 2025-11-25 streamable-http

Cobalt Capture

com.cobaltcapture/cobalt

Annotated-screenshot reviews and ready-made product studies your AI agent can read, run, and share.

Watch this dependency Share evidence report
Uptime
100.0%
5 direct probes · 30d
Response
688ms
last probe
Tools
12
callable
Resources
0
readable
Prompts
8
available
Primary URL
https://cobaltcapture.com/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
12 tools, 0 resources, 8 prompts returned.
pass 3 or more catalogue items 10/10
20 items in total; 3 or more earns these points.
pass Describes itself 10/10
99 characters; more than 30 earns these points.

Tools · 12

get_review

Fetch a Cobalt Capture review by its share link or slug. Returns the reviewer's notes as text AND each annotated screenshot as an image, so you can see exactly what was marked and what to change.

create_review

Start a new Cobalt Capture review and get a handle for filling it in. Use this to compile the findings of any site study — a usability pass, a pricing teardown, a positioning audit, a QA run — into on…

add_screenshot

Append one screenshot, with an optional title and note, to the end of a review. The image is stored in Cobalt and shown in the review. Three ways to supply it: `page_url`, a public page that Cobalt re…

replace_screenshot

Overwrite one existing screenshot in a review with a new capture, in the same position. Destructive: the old image and any pins or annotations on it are removed and cannot be recovered; the title and …

add_note

Append a free-standing text note (not tied to a screenshot) to a review created by create_review. Use for context, steps taken, or a summary of findings between screenshots.

update_review

Set or replace a review's summary and/or title. The summary is shown at the top of the review, above every screenshot and note. Replaces any existing summary or title.

get_playbook

Return the full text of a Cobalt study playbook: a step-by-step method for a kind of product review that ends in a shareable Cobalt review. Available: 'pricing_teardown' (can a buyer tell what they wo…

search

Search the studies Cobalt Capture has published on well-known products: pricing teardowns, positioning audits, and head-to-head comparisons (for example Canva pricing, Spotify vs Apple Music). Returns…

fetch

Fetch the full text of a Cobalt study by the id search returned, or of any Cobalt review by its URL (/r/<slug>) or slug. Returns text: findings, prices, the comparison matrix, and the underlying revie…

create_inbox

Create a temporary email inbox for testing the signup or email flow of a product the user owns or is authorised to test, within that product's terms. Returns an `address` to enter in the product's for…

check_inbox

Read mail delivered to an inbox from create_inbox, newest first, for example a verification code or confirmation link from the signup email of the product being tested. Requires the inbox_token, so on…

email_review

Email a link to a review to the person who ran the study. Sends only to an address that belongs to a verified Cobalt account (other addresses are refused, which keeps the tool from being used to send …

Prompts · 8

usability_pass

First-time-user usability audit of a website, delivered as a shareable Cobalt review. Finds the friction a real person would hit signing up and getting to first value. Works on a site you own (uses th…

flow_pass

Walk a specific flow YOU define on a site — signup, checkout, inviting a teammate — and get back a review of what broke, what confused, and what could be better, step by step. Describe the flow in a s…

website_teardown

Visual website teardown of a site's homepage and key marketing pages, delivered as a shareable Cobalt review. Judges what each page puts first (hierarchy, the main action, clutter, navigation, phone l…

positioning_pass

Old name for website_teardown, kept so existing commands keep working: the same visual website teardown of a site's homepage and key pages, judged cold and then through its likely visitors. Public pag…

investigation_pass

The general product investigator ('Ace'). Runs a likely persona's job-to-be-done cold against a product — by default one you OWN, in its own environment (boots the dev build, or runs prod with a throw…

pricing_teardown

Pricing-page teardown, delivered as a shareable Cobalt review. Judges whether a real buyer can work out what they'd pay and which tier is theirs — the buyer math for a solo user, a team of 5, and a co…

comparison_study

Compare two or three products for one buying decision, delivered as a shareable Cobalt review. Starts with a thinking phase (what decides this category, weighted criteria, the two or three questions t…

design_pass

Design pass, delivered as a shareable Cobalt review: what the product looks like on the devices its team doesn't use. Sweeps nine phone, tablet and desktop sizes with menus, dialogs and forms opened; …

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://cobaltcapture.com/mcp

Cursor or Cline: add to your MCP config:

{
  "mcpServers": {
    "cobalt_capture": {
      "url": "https://cobaltcapture.com/mcp",
      "transport": "streamable-http"
    }
  }
}