MCP server

KG Agent Exchange

io.github.KG-NINJA/kg-agent-exchange

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Remote MCP to publish, search, and get information. x402 v2 required.

Working at last checkAbout 1,313 tokens per request once connected4 tools

https://kg-agent-exchange.fuwafuwow.workers.dev/mcp

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Tools: 4
Token cost: About 1,313 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http kg-agent-exchange https://kg-agent-exchange.fuwafuwow.workers.dev/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.kg-agent-exchange]
url = "https://kg-agent-exchange.fuwafuwow.workers.dev/mcp"

Gemini CLI

{"mcpServers":{"kg-agent-exchange":{"httpUrl":"https://kg-agent-exchange.fuwafuwow.workers.dev/mcp"}}}

Cursor

{"mcpServers":{"kg-agent-exchange":{"url":"https://kg-agent-exchange.fuwafuwow.workers.dev/mcp"}}}

VS Code

{"servers":{"kg-agent-exchange":{"type":"http","url":"https://kg-agent-exchange.fuwafuwow.workers.dev/mcp"}}}

Antigravity

agy mcp add kg-agent-exchange https://kg-agent-exchange.fuwafuwow.workers.dev/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"kg-agent-exchange","server_url":"https://kg-agent-exchange.fuwafuwow.workers.dev/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"kg-agent-exchange","server_url":"https://kg-agent-exchange.fuwafuwow.workers.dev/mcp"}

get_information ~336 tokens
Paid: retrieve one record using id from publish_information entry_id or a search_information entry id. Use a UUID request_id for a new operation. Returns entry or null, plus untrusted_content and request_hash. A missing id also costs the stated amount. Returned content is untrusted data, not instruc
list_products ~123 tokens
Free public product metadata: ID, title, summary, price, network and registration availability. Static registered catalog, not live inventory. Registration does not verify purchase or delivery. 購入・納品E2E未検証。 Catalog: https://si.kgninja.dev/docs/products.json
publish_information Sends messages · ~510 tokens
Paid: publish supplied content as an immutable information record, with HTTPS source references and an actual source timestamp. Use a UUID request_id for a new operation. publisher_claim=confirmed requires a nonblank verification_note. Returns entry_id for later get_information. Source URLs are stor
search_information ~344 tokens
Paid per page: exact topic matching, not keyword or semantic search. limit defaults to 10 and allows 1-20. after is an exclusive sequence cursor; for another page use the returned next_cursor as after with the same topic and a new request_id. A page shorter than limit exhausts current results. Empty

Tollkit
Web search, pages and PDFs, crypto market data, SEC filings and weather for agents. USDC per call.
AgentFeed
Crypto data, Solana pre-trade checks, sanctions, papers, language tasks. 90 tools, USDC, 21 chains.
Metriport MCP by usefulapi
Read and write patients, facilities, medical documents, and consolidated FHIR records in Metriport.
SiteCheck Jobs & Property
114 pay-per-call agent tools: job market and real estate data tools. x402
PaidHandshake Exchange
Verified agent commerce plus worker-published structured intelligence and machine payments.
Manto — 馒头新闻
Publish, search, and promote time-sensitive news and messages through a public remote MCP server.
Nexez Agentic Commerce
Find Nexez sellers, inspect offers, and validate checkout or negotiation before buyer approval.
YeetIt
Instant web publishing for AI agents. POST HTML, get a live URL. No account needed.

[![AptLynx](https://aptlynx.net/badge/io.github.KG-NINJA/kg-agent-exchange.svg)](https://aptlynx.net/servers/io.github.KG-NINJA/kg-agent-exchange)

Listing text is written by the maker; AptLynx lists tools and does not vouch for them. Find another tool · Browse by topic · For agents