WebMCP Registry site · v0.18.35
Use GiantMarkdown with your agent.
GiantMarkdown (giantmarkdown.com) registers 4 WebMCP tools. 2 of 4 tools declares readOnlyHint, so an agent can invoke them through tools.call. The registry runs the tool in a fresh headless page on giantmarkdown.com and returns untrusted site content.
This page mirrors the WebMCP Registry listing for giantmarkdown.com, last live-checked by the registry at 2026-09-23T01:03:11.230Z. Run ghostget webmcp sites.get --input '{"domain":"giantmarkdown.com"}' --json for the current schema; the listing can drift between checks.
Use GiantMarkdown 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":"giantmarkdown.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":"giantmarkdown.com","tool":"get_conversion_capabilities","input":"{}"}' --json
Registered WebMCP tools
GiantMarkdown publishes 4 tools on giantmarkdown.com; 2 declare readOnlyHint.
| Tool | What it does | Callable through Ghostget |
|---|---|---|
convert_document_to_markdown | Convert one supported document supplied as base64 into Markdown. Use after get_conversion_capabilities when the user wants one document converted. Supported filename extensions: CSV, DOC, DOCM, DOCX, EPUB, ODS, ODP, ODT, PDF, POT, PPT, PPTM | Listed for discovery; the registry allows read-only calls only |
convert_documents_to_markdown | Convert 2 to 5 supported documents supplied as base64 into Markdown in one request. Use for a small batch; use convert_document_to_markdown for one file or files above the WebMCP batch limits. Supported filename extensions: CSV, DOC, DOCM, | Listed for discovery; the registry allows read-only calls only |
get_conversion_capabilities | Check GiantMarkdown's current conversion contract before sending documents. Use to learn supported filename extensions, live per-format upload limits, enforced WebMCP payload limits, privacy behaviour, the deliberate exclusion of image and | Callable read-only tool |
search_giantmarkdown_project_information | Find answers in GiantMarkdown's own project and FAQ information. Use only for general questions about the site's purpose, interface, author, licensing, or how to contact the operator. Do not use for supported formats, size limits, conversio | Callable read-only tool |
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.getalways returns the schema the registry saw most recently, so agents adapt when GiantMarkdown changes its tools. - No account needed. These calls are credential-free registry reads. For tools that need a session on giantmarkdown.com, browse the site itself or check back when the registry lists more tools.