School Signals and DfE AI Safety Evidence (USDC on Base)

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

English school edtech contract renewals and buyer briefs; DfE AI-safety toolkit. USDC on Base.

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "School Signals and DfE AI Safety Evidence (USDC on Base)": {
      "url": "https://pay.adamhaleworks.workers.dev/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (7)

• school_signals_search read-only

  Free. Find buyer ids (school:<URN>, trust:<UID>, org:<slug>) with counts of published edtech contracts, renewals in the next 12 months, live tenders and trust changes. Use before school_buyer_brief.

  Parameters:

  • q (required) — string — Name (3-120 characters), URN or GIAS group UID.

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• school_renewals read-only

  Paid $0.03 USDC. Up to 25 published edtech contracts at English schools, trusts and councils ending in a window, with incumbent, value, extensions, estimated re-procurement window and official notice links. Empty results and invalid filters are refused before payment.

  Parameters:

  • buyer — string — Buyer id from school_signals_search.
  • region — string — English region.
  • category — string — Edtech category.
  • supplier — string — Incumbent supplier name contains this text.
  • x402_payment — string — Optional, paid tools only: a signed x402 v2 PaymentPayload, base64. Prefer params._meta["x402/payment"]. Never a private key or seed phrase.
  • ending_within_months — integer — Window from today, 1-24 months (default 12).
  • include_recently_ended — boolean — Also contracts that ended in the last 6 months.

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• school_buyer_brief read-only

  Paid $0.20 USDC. Hierarchy, published edtech contracts and incumbents, upcoming renewals with estimated windows, live tenders, recent trust changes and official links for one buyer. Unknown, ambiguous (candidates returned) or evidence-free buyers are refused before payment.

  Parameters:

  • buyer (required) — string — school:<URN>, trust:<UID>, org:<slug>, a URN or an exact name.
  • x402_payment — string — Optional, paid tools only: a signed x402 v2 PaymentPayload, base64. Prefer params._meta["x402/payment"]. Never a private key or seed phrase.

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• list_products read-only

  Free. Every product with its price in USDC, route, licence and how to pay (x402 or plain transfer on Base).

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• buy_file_x402 read-only

  Paid 295 USDC (school-signals-england-snapshot) or 149 USDC (dfe-ai-safety-toolkit) via x402; returns a signed 48-hour download link, the file SHA-256 and an order URL. Without payment returns the x402 terms. If your client caps automatic payments, use create_transfer_order instead.

  Parameters:

  • product (required) — string — File to buy.
  • x402_payment — string — Optional, paid tools only: a signed x402 v2 PaymentPayload, base64. Prefer params._meta["x402/payment"]. Never a private key or seed phrase.

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• create_transfer_order

  Free. Creates a 24-hour order with an order-specific exact USDC amount on Base. Send exactly that amount of canonical USDC to the recipient in one transfer, then call check_transfer_order with the transaction hash.

  Parameters:

  • product (required) — string — File to buy.

  Hints: read-only no · destructive no · idempotent no · open-world yes

• check_transfer_order

  Free. With only order: status (and a fresh download link once paid). With tx_hash: verifies the Base transaction (canonical USDC, recipient, exact amount, success, time window, 10 confirmations, never used before) and returns the download link.

  Parameters:

  • order (required) — string — Order id.
  • tx_hash — string — Base transaction hash, 0x + 64 hex.

  Hints: read-only no · destructive no · idempotent yes · open-world yes

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