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Agent Payment

Stripe-style USDC billing for any API.

Connector by evidai · GitHub account verified by the MCP Registry

IndexedMITLocal (stdio)★ 3
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Install

Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/evidai-agent-payment

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Stripe-style USDC billing for any API. 8 free demo services no signup. Non-custodial.

Reviews

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Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools
21 read · 13 write · 0 delete · 4 not yet classified
Secrets
None asked for
Install scripts
Not scanned yet
Runs as
Node.js package

Tools by what they do 38

Read from the source code; the running server may list different tools.

Read 21 · Look things up without changing anything.

  • find_xstock
  • get_account
  • get_balance
  • get_item
  • get_latest_quote
  • get_market
  • get_order_book
  • get_positions
  • get_quote
  • get_service_info
  • get_trade_history
  • guard_status
Show 9 more tools
  • list_demos
  • list_markets
  • list_supported_stocks
  • paid_search
  • path
  • search
  • search_markets
  • setup
  • wallet_status

Write 13 · Create, change, send or run things.

  • buyerTag
  • call_demo
  • call_paid_api
  • cancel_order
  • EXECUTE_LEMONCAKE_PAYMENT
  • guard_set_limit
  • guarded_buy_stock
  • guarded_close_position
  • guarded_place_order
  • guarded_sell_stock
  • place_limit_order
  • place_market_order
Show 1 more tools
  • redeem_positions

Not yet classified 4 · We could not tell from the name and description.

  • body
  • limitUsdc
  • method
  • serviceId

Tools (38)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • body

    リクエストボディ（JSON 文字列）

  • buyerTag

    監査ログ用のタグ（エージェントセッション識別子など）

  • call_demoCall a free demo tool

    Run one of the 8 free demo tools (real upstreams, no charge, no auth). service must be one of: demo_search, demo_echo, demo_fx, demo_translate, demo_weather, demo_geocode, demo_time, demo_dictionary. Pass body per the tool's `example` (see list_demos). Returns: { service, response }.

  • call_paid_apiCall a paid API (spends prepaid credit)

    Call a paid API through the LemonCake x402 gateway using your Pay Token. Routes to https://<gateway>/g/<shortId> with Authorization: Bearer <LC_PAY_TOKEN>. The gateway verifies the token, meters the call, and forwards to the seller's API. PRECONDITIONS: • LC_PAY_TOKEN must be set. Get one by prepaying at /buy/<shortId> (token issued automatically), or issue a Buyer Key at /app and save a card at /agent/fund. • shortId identifies the paid endpoint (the part after /g/ or /buy/). BEHAVIOR: • 200 → { status, charge, response } (charge = USD debited from the prepaid token). • 402 → { …

  • cancel_orderCancel order

    Cancel an open limit order by order ID. Requires POLYMARKET_PRIVATE_KEY. Billed at $0.10 USDC via LemonCake.

  • EXECUTE_LEMONCAKE_PAYMENT

    LemonCake を利用して、指定されたサービス（serviceId）に対し 指定額（USDC）の支払い（JWT Pay Token の発行と API 呼び出し）を実行する。Pay Token の予算内でのみ動作し、上限超過時は自律的に停止する。

  • find_xstockFind xStockread-only

    Look up a tokenized US stock by ticker (e.g. AAPL or AAPLx → returns the verified Backed-issued mint with current price + holder count). Read-only.

  • get_accountAccountread-only

    Alpaca account snapshot (buying power, cash, equity, portfolio value, PDT flag). Read-only.

  • get_balanceBalanceread-only

    Get your USDC balance and token allowances on Polymarket's Polygon contracts. Requires POLYMARKET_PRIVATE_KEY. Billed at $0.05 USDC via LemonCake.

  • get_item

    IDを指定してアイテムの詳細を取得します。 使うべき場面: - search で見つけたアイテムの全文・詳細情報が必要なとき 引数の id は search レスポンスの results[].id から取得できます。 料金: 1コール = $0.0005 USDC

  • get_latest_quoteLatest quoteread-only

    Latest bid/ask/mid quote for a given symbol from Alpaca's market-data API. Read-only.

  • get_marketGet marketread-only

    Get full details for a single Polymarket market by its condition ID or slug. Includes resolution criteria, outcomes, current prices, and volume. Free — no billing.

  • get_order_bookOrder bookread-only

    Get the live order book (bids and asks) for a Polymarket market token. Use token_id from list_markets or get_market. Free — no billing.

  • get_positionsPositionsread-only

    Current open positions on Alpaca (symbol, qty, avg entry price, current price, unrealized P&L). Read-only.

  • get_quoteGet quoteread-only

    Latest bid/ask/mid for a Dinari dShare symbol (e.g. AAPL.d). Requires DINARI_API_KEY for real quotes; returns null with hint otherwise.

Show 23 more tools
  • get_service_info

    このサービスの情報と利用可能な機能一覧を返します。 このツールは課金されません。 エージェントが最初に呼び出してサービスの全容を把握するために使います。

  • get_trade_historyTrade historyread-only

    Get your past trades on Polymarket: order IDs, market, outcome, price, size, timestamp. Requires POLYMARKET_PRIVATE_KEY. Billed at $0.05 USDC via LemonCake.

  • guard_set_limitSet daily cap

    Set the daily USD cap. The agent cannot raise its own cap silently — calling this tool is logged in the ledger. Typical use: human operator runs this once to set the daily limit (default $10) before letting the agent loose.

  • guard_statusGuard statusread-only

    Return today's spend ledger: daily limit, used so far, remaining, lifetime order count, and recent 10 orders. Read-only.

  • guarded_buy_stockBuy tokenized stock (guarded)

    Buy a tokenized US stock for a specified USD amount, paid in USDC via Dinari. Preflighted against today's daily cap — refuses with BUDGET_EXCEEDED if over. The user's wallet receives the dShare token; LemonCake never holds the USDC. Returns: { allowed, status, notionalUsd, fee, dinariOrder?, x402Receipt? }

  • guarded_close_positionClose position (guarded)

    Close a position on Alpaca. Pre-flighted against the daily cap: if closing requires re-opening exposure (short close → re-buy) that exceeds the cap, refuses.

  • guarded_place_orderPlace order (guarded)

    Place an order on Alpaca, but ONLY if the trade's notional USD value fits within today's remaining cap. Pre-flight is mandatory: agent cannot override. If notional > remaining, returns BUDGET_EXCEEDED with a structured hint. On success the charge is recorded to the local ledger so the cap survives MCP restarts. Returns: { allowed, status, tradeNotionalUsd, remainingUsd, limitUsd, alpacaOrder?, x402Receipt? }

  • guarded_sell_stockSell tokenized stock (guarded)

    Sell a quantity of dShare tokens for USDC. Preflighted on notional against the daily cap.

  • limitUsdc

    この呼び出しで使う上限額（USDC）例: '1.00'。省略時は '0.10'

  • list_demosList free demo toolsread-only

    List the 8 free demo tools. No authentication, no charge. Each hits a real free upstream. Use call_demo with the returned `id` to invoke one. Returns: array of { id, name, upstream, description, example }.

  • list_marketsList marketsread-only

    List active Polymarket prediction markets. Returns market titles, condition IDs, token IDs, volume, and YES/NO prices. Free — no billing.

  • list_supported_stocksList supported stocksread-only

    List tokenized US stocks tradable via Dinari. Without DINARI_API_KEY, returns a representative subset (10 high-confidence tickers) so the tool is useful for inspection. With credentials, fetches live from Dinari.

  • method

    HTTP メソッド（GET / POST / PUT / PATCH / DELETE）。省略時は POST

  • paid_search

    Description is built at runtime.

  • path

    サービス内のサブパス 例: '/search'。省略時は '/'

  • place_limit_orderLimit order

    Place a limit order to buy or sell outcome shares at a specific price on Polymarket CLOB. Requires POLYMARKET_PRIVATE_KEY. Billed at $0.10 USDC via LemonCake.

  • place_market_orderMarket order

    Buy or sell outcome shares at market price on Polymarket. USDC cost is calculated at the current best ask/bid. Requires POLYMARKET_PRIVATE_KEY. Billed at $0.10 USDC via LemonCake.

  • redeem_positionsRedeem positions

    Claim winnings from resolved Polymarket markets. Redeems outcome token shares for USDC if the market resolved in your favor. Requires POLYMARKET_PRIVATE_KEY. Billed at $0.10 USDC via LemonCake.

  • search

    [あなたのサービス名] で検索します。 使うべき場面: - ユーザーが情報を探しているとき - 特定のキーワードに関連するコンテンツが必要なとき 返り値: 関連度スコア付きの結果リスト。score が高いほど関連性が高い。 料金: 1コール = $0.001 USDC

  • search_marketsSearch marketsread-only

    Search Polymarket markets by keyword. Searches market titles and descriptions. Free — no billing.

  • serviceId

    LemonCake マーケットプレイスのサービスID（list_services で取得）

  • setupSetupread-only

    Show alpaca-guard-mcp setup status: env vars, paper/live mode, current daily cap, and ledger file location. Read-only.

  • wallet_statusWallet statusread-only

    Return the configured Solana wallet's public key, SOL balance (for gas), and USDC balance. Read-only.

Signals

Stars
3
Forks
0
Open issues
4
Last commit
Jun 17, 2026 (4 months ago)
Last release
May 23, 2026 (5 months ago)

From GitHub (fetched Oct 24, 2026).

Details

Registry name
io.github.evidai/agent-payment
Version
0.9.1
Auth
No auth
Packages
npm agent-payment-mcp
License
MIT
Repository
github.com/evidai/agent-payment-mcp
First seen
Oct 24, 2026
Last checked
Oct 25, 2026
Source
Official MCP Registrygithub-graphql

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Cite this page

Agent Payment MCP server. Agent Mart. https://agentmart.dev/connectors/evidai-agent-payment (last updated 2026-10-25)