fittings-doc-html-to-markdown

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Convert an HTML document supplied in the request body to clean Markdown, stripping scripts and styles. Called as POST /v1/doc/html-to-markdown, it takes html and returns markdown, characters, inputBytes. A research agent handed raw HTML must reduce it to readable text before it can reason over it, and passing full markup through a model wastes most of the context window. Reading this schema and dry-running the call are free and need no wallet; a real call costs $0.004, paid in USDC on Base over x402.

1installs

Sourcefittings-sh/fittings

Added on2026-08-17

NPX Install

npx skill4agent add fittings-sh/fittings fittings-doc-html-to-markdown

SKILL.md Content

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HTML to clean Markdown

doc.html-to-markdown

on

https://fittings.sh

. One endpoint, web and network.

Convert an HTML document supplied in the request body to clean Markdown, stripping scripts and styles.

The call

POST https://fittings.sh/v1/doc/html-to-markdown

Field	Type	Required	Notes
`html`	string	yes	HTML source, up to 2000000 bytes of UTF-8

Example input:

json

{
  "html": "<h1>Title</h1><p>Hello <b>world</b>.</p>"
}

Metered

The 402 quotes a ceiling — the price of the declared cap, 2000000 bytes — and settlement is for what the call actually used. A small request settles for less than it was quoted, so read the quote as an upper bound rather than a price.

Cost and provenance


Price	$0.004 per call, metered per bytes
Source	none (pure compute)
Licence	none-needed

Why call it rather than answer from memory

A research agent handed raw HTML must reduce it to readable text before it can reason over it, and passing full markup through a model wastes most of the context window.

Calling it

A skill is loaded on its own, so this document has to be enough by itself. It does not assume the general

fittings

skill is also loaded.

call.mjs

ships alongside this file; if it is missing (this document reached you without the rest of the skill), fetch it once with

curl -sO https://fittings.sh/skill/call.mjs

.

Free, and needs no wallet. Read the schema and see what a call would cost:

bash

curl -s https://fittings.sh/catalog/doc.html-to-markdown | jq

Paying. The endpoint answers

402 Payment Required

with a signed quote, you sign an authorization, and a facilitator settles it — you never send a transaction and never pay gas. Before it spends anything, the client checks its own hash against the gateway and refuses rather than sign with logic the gateway has moved past:

bash

# Dry run. Prints the quote and pays nothing, because no key is set.
node call.mjs doc.html-to-markdown html="<h1>Title</h1><p>Hello <b>world</b>.</p>"

# For real: a wallet holding USDC on Base, and nothing else.
export FITTINGS_PRIVATE_KEY=0x...
node call.mjs doc.html-to-markdown html="<h1>Title</h1><p>Hello <b>world</b>.</p>"

Spending is never a side effect of curiosity: with no

FITTINGS_PRIVATE_KEY

the client fetches the quote and stops.

FITTINGS_MAX_PRICE

caps what it will pay without asking, and defaults to $0.05.

Use a throwaway wallet holding a few dollars, not a main one. The key sits in plaintext wherever the agent runs, and the whole cost of entry is USDC on Base — no account, no API key, and no ETH, because the payer signs off-chain and the facilitator broadcasts and pays the gas.

Writing your own client instead of using this one?

@x402/core

and

@x402/evm

on npm, and the

fittings

skill records the two things that cost real debugging time: the challenge is in a response header rather than the body, and it must be re-signed from the exact request being retried.

If this is not the right service,

https://fittings.sh/catalog/search?q=...

searches all of them for free.