Spree Commerce: open-source B2B and marketplace ecommerce
Open-source B2B and marketplace ecommerce; new stores include an MCP server for AI agents.
Description from the maker (original English)
The agent-native marketplace for AI data: search listings and read their price and rights.
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Works in Claude on the web, desktop and mobile:
https://api.graunt.com/v1/mcpRun this in your terminal
claude mcp add --transport http marketplace https://api.graunt.com/v1/mcpPaste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"marketplace": {
"url": "https://api.graunt.com/v1/mcp"
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
Paste into .vscode/mcp.json in your project
{
"servers": {
"marketplace": {
"type": "http",
"url": "https://api.graunt.com/v1/mcp"
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
ChatGPT connects only to servers on the internet:
https://api.graunt.com/v1/mcpMenu names can differ slightly by plan and over time.
Your choice stays on this device in a cookie; no account needed.
These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.
Tool names and descriptions exactly as the server reported them on Nov 6, 2026. The maker wrote them, not us; we show them as plain text.
searchSearch Graunt's catalog of evaluated data from many sellers. Returns matching packets with their id, title, and public URL. Start here to find data, then read one with fetch.
fetchRead one Graunt catalog packet by id. Returns its title, description, price and whether an account is needed, its seller-declared rights, and its public URL. A free packet that needs no account also returns its files: small text files (CSV, JSON, Markdown, text and similar) in th
search_assetsSearch the public catalog and return listing rows as Graunt's API gives them (GET /v1/listings), paginated. To find data for a person, use search, then fetch.
get_assetRead one listing by id as Graunt's API gives it (GET /v1/listings/{id}). To answer a question from a listing or cite it, use fetch.
get_agent_commerce_manifestRead the agent commerce manifest for a listing: price, rights, and how to buy it.
get_asset_manifestRead the canonical asset manifest (sha256-stamped).
get_bundle_manifestRead the per-asset bundle inventory: every delivered file with role, format, size and content hash, plus counts that name the population each one counted.
meta_capabilitiesRead /v1/meta/capabilities: what Graunt offers to an agent, in machine-readable form.
meta_refinery_support_matrixRead /v1/meta/refinery-support-matrix: the source types Graunt accepts and what the Refinery does with each. Every upload gets deterministic extraction; a model drafts only the listing fields a seller leaves empty.
match_video_specFind out how many hours of video on Graunt meet a spec, and in which categories. Give the requirements that matter (shortest side, frame rate, clip length, sound, on-screen text, overlays, first and last shots, freezes, slowed footage, releases, clearances, AI generation, uses, d
We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 8, 2026
The registry lists no source repo, so we cannot match the publisher (graunt.com) to the code
We have not read this repo from GitHub yet
We have not read this repo from GitHub yet
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Read 10 tool descriptions and found no hidden instructions to the AI
Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.
It passed 2 of 3 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.
The registry does not list a required key, though some servers ask you to sign in on first use.
It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.
The GitHub repo last changed –, and the latest version (1.1.0) reached the registry 8 days ago.
Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.
In the same category: Spree Commerce: open-source B2B and marketplace ecommerce, Stripe MCP, MCP Cn Commerce
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Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi
Open-source B2B and marketplace ecommerce; new stores include an MCP server for AI agents.
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8 read-only MCP platform entries; support is operation-specific; merchant live acceptance pending
No README found in the repo