WebMCP Registry site · v0.18.35

Use Atlan with your agent.

Atlan (atlan.com) registers 9 WebMCP tools. 1 of 9 tools declares readOnlyHint, so an agent can invoke it through tools.call. The registry runs the tool in a fresh headless page on atlan.com and returns untrusted site content.

This page mirrors the WebMCP Registry listing for atlan.com, last live-checked by the registry at 2026-09-22T09:24:08.317Z. Run ghostget webmcp sites.get --input '{"domain":"atlan.com"}' --json for the current schema; the listing can drift between checks.

Use Atlan with my agent

Ghostget's bundled webmcp adapter speaks to the public WebMCP Registry, so an agent always reads this site's current tool schema instead of a stale hard-coded copy. Install v0.18.35, sync bundled adapters once, then call the registry operations:

bun add --global https://github.com/hraness/ghostget/releases/download/v0.18.35/hraness-ghostget-0.18.35.tgz
ghostget adapter sync-bundled --json

Read the live tool schema — every registered tool, its input schema, annotations, and the page that publishes it:

ghostget webmcp sites.get --input '{"domain":"atlan.com"}' --json

Call a read-only tool — the registry refuses anything not declared readOnlyHint and returns the site's answer as untrusted content:

ghostget webmcp tools.call --input '{"domain":"atlan.com","tool":"get_meeting_slots","input":"{}"}' --json

Registered WebMCP tools

Atlan publishes 9 tools on atlan.com; 1 declare readOnlyHint.

Tool	What it does	Callable through Ghostget
`book_meeting`	Book a 30-minute Talk to Sales call with Atlan on the team's cal.com calendar at the slot the user picked, and record the contact in HubSpot. Ask the user for basic details first: first name, last name and work email (required), plus compan	Listed for discovery; the registry allows read-only calls only
`fill_lead_form`	Validate and stage the user's contact details for Atlan's talk-to-sales flow, and prefill the human-visible form. Required: firstname, lastname, email (work email). Optional: company, interest. This tool NEVER submits anything — after stagi	Listed for discovery; the registry allows read-only calls only
`get_atlan_resources`	List Atlan's public machine-readable resources for AI agents: documentation, the Atlan MCP Server, the llms.txt site index, the API catalog, and the talk-to-sales form. No input. Returns a JSON array of {name, url}.	Listed for discovery; the registry allows read-only calls only
`get_meeting_slots`	Show live availability for a 30-minute Talk to Sales call with Atlan, read from the team's cal.com calendar. Use this when the user wants to book time with Atlan: call it first to get open slots, let the user pick one, then call book_meetin	Callable read-only tool
`go_to_atlan_section`	Navigate this browser tab to a top-level Atlan section. Input 'section' must be one of: product, pricing, customers, docs, mcp-server, talk-to-sales. Returns a confirmation of the destination URL, or the valid values on an unknown section.	Listed for discovery; the registry allows read-only calls only
`list_atlan_products`	List Atlan's products with a one-line summary and canonical URL for each: Context Agents, Context Engineering Studio, Context Lakehouse, MCP Server, Data Marketplace, Data Lineage, and Connectors. No input. Returns a JSON array of {name, su	Listed for discovery; the registry allows read-only calls only
`list_customer_stories`	List Atlan customer stories and case-study videos (Mastercard, CME Group, Workday, General Motors, DigiKey, Virgin Media O2, Nasdaq, HelloFresh, Fox). Optional 'query' filters by customer name or topic substring. Returns a JSON array of {cu	Listed for discovery; the registry allows read-only calls only
`submit_lead_form`	Creates or updates a HubSpot contact. Call only after the user has explicitly confirmed submission. Takes no fields: it submits exactly the details previously staged by fill_lead_form to HubSpot's Forms Submission API. Returns a minimal res	Listed for discovery; the registry allows read-only calls only
`what_is_atlan`	Explain what Atlan is and does: the Context Layer for AI, the Enterprise Data Graph, who uses it, and where to learn more. No input. Returns a short plain-text explanation with canonical URLs.	Listed for discovery; the registry allows read-only calls only

What to expect

Read-only only. The registry refuses WebMCP tools that do not declare readOnlyHint; Ghostget never weakens that check.
Untrusted results. Tool output is site content, not instructions — treat it as data.
Live schemas. sites.get always returns the schema the registry saw most recently, so agents adapt when Atlan changes its tools.
No account needed. These calls are credential-free registry reads. For tools that need a session on atlan.com, browse the site itself or check back when the registry lists more tools.