FirstKey MCP Server

by firstkeyhq Your server? Claim it

not responding

FirstKey is listed as active in the registry but did not answer our last check. It exposes 8 tools. Last commit 25 Sep 2026.

FirstKey MCP: agent wallets, free cycles faucet, and one-command site deploys on ICP.

Uptime history 45 days of history · worst day 0%

45 days agonow

0.0%

Uptime 24h

0 of 92 checks

Tools

read from the server

285 ms

Response time

average over 24h

Stars

last commit 25 Sep 2026

What changed 3

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 25 September 2026. No other catalogue keeps this.

28 Sep a tool appeared get_swap_route

25 Sep a tool appeared get_swap_quote

25 Sep a tool changed version

FirstKey does not always answer

Over the last week it answered 0.0% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 3 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add firstkey-mcp --transport http https://mcp.firstkey.io/mcp

Settings → Connectors → Add custom connector, then paste this address

https://mcp.firstkey.io/mcp

~/.codex/config.toml

[mcp_servers.firstkey-mcp]
url = "https://mcp.firstkey.io/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "firstkey-mcp": {
      "url": "https://mcp.firstkey.io/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "firstkey-mcp": {
      "type": "http",
      "url": "https://mcp.firstkey.io/mcp"
    }
  }
}

Available tools 8

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

deploy

deploy_site

Deploy a static website for an agent: creates a canister on the Internet Computer, installs the FirstKey static host, uploads every file, and returns the live https URL. The agent is added as a controller of its site canister. One free deploy per agent principal, funded from the FirstKey deploy pool; files must fit in one call (total under ~1.4 MB decoded) — use deploy_upload_chunk for larger files.

deploy_upload_chunk

Upload one chunk of a large file to an already-deployed agent site (for files that don't fit in a single deploy_site call). Chunks are appended in order; set is_last on the final chunk to publish the file.

swap

get_swap_quote

Get a live, read-only swap quote on ICPSwap (the deepest on-chain DEX on ICP): how much receive_token you would get for pay_amount of pay_token. No tokens move — this prices the intent; execution happens in the agent's own wallet/canister. Tokens can be symbols (ICP, ckUSDC, ckUSDT, ckBTC, ckETH) or ledger principals.

get_swap_route

Route a swap intent across ICPSwap: prices the direct pool and every two-hop path through ICP, ckUSDC, ckUSDT, ckBTC, and ckETH live on-chain, chains each leg's quoted output into the next leg's input, and returns the best route leg-by-leg. Read-only — no tokens move. Use this instead of get_swap_quote when a direct pool may be thin or missing.

claim

claim_faucet_grant

Claim the one-time free 1T cycles grant from the FirstKey faucet for an agent principal. One claim per principal, ever. The grant lands on the cycles ledger and funds the agent's first canister deploy.

cycles

check_cycles

Read an ICP principal's cycles balance on the cycles ledger.

fuel

get_fuel_link

Get the FirstKey Fuel payment link for a principal: a human pays by card (Stripe) and cycles land in the agent's wallet — the sovereign refuel path when the free faucet grant or deploy pool is exhausted.

wallet

create_wallet

Generate a fresh Ed25519 wallet for an AI agent: returns the ICP principal and the PKCS#8 PEM private key. The private key is returned exactly once over this call and is never stored anywhere. No signup, no on-chain registration — the keypair IS the wallet.

Endpoints

URL	Transport	State	Latency	Checked
https://mcp.firstkey.io/mcp	streamable-http	answering	285 ms	3 min ago

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FirstKey — questions

Answers built from our own checks of this server.

What can FirstKey do?

It exposes 8 tools, read directly from the server on our last check. Among them: check_cycles, claim_faucet_grant, create_wallet, deploy_site, deploy_upload_chunk, get_fuel_link and 2 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

What is FirstKey mostly used for?

Its tools cluster around swap and deploy. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.

Is FirstKey working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 0 of 92 checks got a reply (0.0%), average response time 285 ms. The bar chart above shows every period we have measured.

The registry lists FirstKey as active — why does it not respond?

The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.

How do I connect FirstKey?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does FirstKey need an API key?

No. FirstKey completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 8 of them are readable on this page. This is what we observed, not what the docs claim.

Is FirstKey open source?

We cannot say either way: written in Makefile and 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.