# FilingDelta

> SEC filing changes, central-bank rate decisions and US macro cards. From $0.05 USDC via x402.

- name: xyz.filingdelta/filingdelta
- version: 0.4.0
- connection class: R0 (autonomous)
- trust: 83/100 flags: no-repository
- quality: 89/100 (new)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/xyz.filingdelta%2Ffilingdelta
- tools: https://api.protogrid.dev/v1/servers/xyz.filingdelta%2Ffilingdelta/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "filingdelta": {
      "type": "http",
      "url": "https://filingdelta.xyz/mcp"
    }
  }
}
```


## Trust

- hygiene: 80
- liveness: 100
- freshness: 100
- provenance: 55
- drivers: +dns-namespace +website +reachable +uptime-100% +updated-5d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 89/100 (new)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 100 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 11 of 11 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 1,938 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump

### stability: n/a (weight 15)

- n/a `stability.changes`, `stability.rug_pull`: tool history recorded for 6 of the 7 days needed

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 11, about 1,938 tokens to load them all
- tool set hash: 9e935f3720a5cd5cebe0277dad5a2fcc
- tools last changed: 2026-10-17T17:14:42.678Z
- badge: [![protogrid quality](https://protogrid.dev/badge/xyz.filingdelta/filingdelta.svg)](https://protogrid.dev/servers/xyz.filingdelta/filingdelta)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

- 2026-10-17 `get_bundle` changed (description)
  - before: SEC filing changes bundle for chip stocks (SEMIS, $0.12, 33% off) or central-bank rate decisions (CENTRALBANKS, $0.08, 43% off), paid. The discount is against buying the same cards singly (9 x $0.02, 7 x $0.02). Returns the bundle with its card list: SEMIS = the 9 chip cards (AMD, MRVL, NVDA, AVGO, TSM, MU, AMAT, INTC, ASML); CENTRALBANKS = the 7 policy cards. Each card has the same schema as the single-card tool. Free samples: sample_delta and sample_policy per id. USDC on Base (x402 v2, exact). An unpaid call returns a tool result with isError true and the x402 PaymentRequired in structuredContent (JSON copy in content[0].text; also base64 in the PAYMENT-REQUIRED header). Pay by retrying the same tools/call with the PaymentPayload in params._meta["x402/payment"], or with header PAYMENT-SIGNATURE: <base64 PaymentPayload>. The receipt comes back in result._meta["x402/payment-response"] and the PAYMENT-RESPONSE header. Others return 404 (no charge). Can't find what you need? Tell us and we'll build it with request_data.
  - after: Bundle of cards: SEMIS (9 chip filing cards, $0.12) or CENTRALBANKS (7 rate cards, $0.08), 33% to 43% off buying singly. USDC on Base (x402 v2, exact). Unpaid call: isError true with PaymentRequired in structuredContent. Pay by retrying tools/call with the PaymentPayload in params._meta["x402/payment"] (or header PAYMENT-SIGNATURE); receipt in result._meta["x402/payment-response"]. Others return 404 (no charge). Can't find what you need? Tell us and we'll build it with request_data.
- 2026-10-17 `get_macro` changed (description)
  - before: US CPI inflation, nonfarm payrolls and GDP release cards with verbatim official figures, paid, $0.01: CPI, NFP, GDP. Returns the latest release as 5 items with indicator, agency, release_title, reference_period, released, official source_url and next_release. Free sample (first 2 of 5 items, same schema): sample_macro (HTTP: GET /sample/macro/:id). $0.01 USDC on Base (x402 v2, exact). An unpaid call returns a tool result with isError true and the x402 PaymentRequired in structuredContent (JSON copy in content[0].text; also base64 in the PAYMENT-REQUIRED header). Pay by retrying the same tools/call with the PaymentPayload in params._meta["x402/payment"], or with header PAYMENT-SIGNATURE: <base64 PaymentPayload>. The receipt comes back in result._meta["x402/payment-response"] and the PAYMENT-RESPONSE header. Macro ids: NFP, GDP, CPI. Others return 404 (no charge). Can't find what you need? Tell us and we'll build it with request_data.
  - after: Latest US CPI, payrolls or GDP release: five cited items with agency, reference_period and source_url. Free sample: sample_macro. $0.01 USDC on Base (x402 v2, exact). Unpaid call: isError true with PaymentRequired in structuredContent. Pay by retrying tools/call with the PaymentPayload in params._meta["x402/payment"] (or header PAYMENT-SIGNATURE); receipt in result._meta["x402/payment-response"]. Macro ids: NFP, GDP, CPI. Others return 404 (no charge). Can't find what you need? Tell us and we'll build it with request_data.
- 2026-10-17 `get_policy` changed (description)
  - before: Central bank interest rate decision card (hike, hold or cut), paid, $0.02: BOE, FED, ECB, BOJ, RBA, BOC, SNB. Returns the latest decision with bank_rate, previous_bank_rate, change_bps, summary and official source_url. Free sample (the previous-meeting card, same schema): sample_policy (HTTP: GET /sample/policy/:id). $0.02 USDC on Base (x402 v2, exact). An unpaid call returns a tool result with isError true and the x402 PaymentRequired in structuredContent (JSON copy in content[0].text; also base64 in the PAYMENT-REQUIRED header). Pay by retrying the same tools/call with the PaymentPayload in params._meta["x402/payment"], or with header PAYMENT-SIGNATURE: <base64 PaymentPayload>. The receipt comes back in result._meta["x402/payment-response"] and the PAYMENT-RESPONSE header. Policy ids: BOE, FED, ECB, BOJ, RBA, BOC, SNB, NOR, SWE. Others return 404 (no charge). Can't find what you need? Tell us and we'll build it with request_data.
  - after: Latest central-bank rate decision (hike/hold/cut): bank_rate, change_bps, summary, official source_url. Free sample: sample_policy. $0.02 USDC on Base (x402 v2, exact). Unpaid call: isError true with PaymentRequired in structuredContent. Pay by retrying tools/call with the PaymentPayload in params._meta["x402/payment"] (or header PAYMENT-SIGNATURE); receipt in result._meta["x402/payment-response"]. Policy ids: BOE, FED, ECB, BOJ, RBA, BOC, SNB, NOR, SWE. Others return 404 (no charge). Can't find what you need? Tell us and we'll build it with request_data.
- 2026-10-17 `get_filing_delta` changed (description)
  - before: SEC filing changes: what changed in a company's latest filing: 10-Q, 10-K, 8-K (JPM, BAC), 6-K (ASML), earnings package (TSM, AVGO), $0.02. Returns a cited JSON card: the material changes against the year-ago period (see comparison_basis), each with a materiality rating, plus comparison_basis, high_materiality_count, filing_type, filing_date, period, accession (where the card has it) and source_url. Free sample of the same schema: sample_delta (HTTP: GET /sample/:ticker). $0.02 USDC on Base (x402 v2, exact). An unpaid call returns a tool result with isError true and the x402 PaymentRequired in structuredContent (JSON copy in content[0].text; also base64 in the PAYMENT-REQUIRED header). Pay by retrying the same tools/call with the PaymentPayload in params._meta["x402/payment"], or with header PAYMENT-SIGNATURE: <base64 PaymentPayload>. The receipt comes back in result._meta["x402/payment-response"] and the PAYMENT-RESPONSE header. Tickers: AMD, MRVL, NVDA, AVGO, TSM, MU, AMAT, AAPL, MSFT, META, TSLA, ORCL, INTC, ASML, MSTR, JPM, BAC, GS, WFC. Others return 404 (no charge). Can't find what you need? Tell us and we'll build it with request_data.
  - after: What changed in a company's latest SEC filing, mainly vs the year-ago period: cited, materiality-rated changes. Free: sample_delta. (see comparison_basis) $0.02 USDC on Base (x402 v2, exact). Unpaid call: isError true with PaymentRequired in structuredContent. Pay by retrying tools/call with the PaymentPayload in params._meta["x402/payment"] (or header PAYMENT-SIGNATURE); receipt in result._meta["x402/payment-response"]. Tickers: AMD, MRVL, NVDA, AVGO, TSM, MU, AMAT, AAPL, MSFT, META, TSLA, ORCL, INTC, ASML, MSTR, JPM, BAC, GS, WFC. Others return 404 (no charge). Can't find what you need? Tell us and we'll build it with request_data.
- 2026-10-17 `sample_delta` changed (description)
  - before: Free sample SEC filing changes card for a ticker: trimmed view of the latest card, same schema, no payment. Shows the k highest-materiality changes of N (comparison_basis says how many); the paid get_filing_delta card ($0.02) has all N. True counts are kept. Use it as a free integration test. Tickers: AMD, MRVL, NVDA, AVGO, TSM, MU, AMAT, AAPL, MSFT, META, TSLA, ORCL, INTC, ASML, MSTR, JPM, BAC, GS, WFC. Can't find what you need? Tell us and we'll build it with request_data.
  - after: Free sample of get_filing_delta: top changes in a company's latest SEC filing, same schema, no payment. Use it to test. Tickers: AMD, MRVL, NVDA, AVGO, TSM, MU, AMAT, AAPL, MSFT, META, TSLA, ORCL, INTC, ASML, MSTR, JPM, BAC, GS, WFC. Can't find what you need? Tell us and we'll build it with request_data.
- 2026-10-17 `whats_new` changed (description) **meaning changed**
  - before: Free check for changed cards: SEC filing, central-bank and macro cards whose as_of date is on or after `since`. `since` is YYYY-MM-DD (omit for all, newest first). Returns content_hash and next_update per card (from /catalog); compare content_hash with one you stored to see if a card changed before paying again. Can't find what you need? Tell us and we'll build it with request_data.
  - after: Free: which covered cards changed since a date. Compare content_hash with yours to skip re-buying unchanged cards. Can't find what you need? Tell us and we'll build it with request_data.
- 2026-10-17 `search_coverage` changed (description) **meaning changed**
  - before: Free search of what FilingDelta covers: SEC filing changes, central-bank rate decisions, US CPI/payrolls/GDP. Pass a name, ticker or topic (e.g. "Nvidia", "Bank of England", "inflation", "chip stocks", "central banks"). Returns matching ids with the free and paid tool to call. Can't find what you need? Tell us and we'll build it with request_data.
  - after: Free: find covered companies, central banks or US macro releases by name or topic; returns the tool to call. Can't find what you need? Tell us and we'll build it with request_data.
- 2026-10-17 `get_policy` changed (description, inputSchema)
  - before: Central bank interest rate decision card (hike, hold or cut), paid, $0.02: BOE, FED, ECB, BOJ, RBA, BOC, SNB. Returns the latest decision with bank_rate, previous_bank_rate, change_bps, summary and official source_url. Free sample (the previous-meeting card, same schema): sample_policy (HTTP: GET /sample/policy/:id). $0.02 USDC on Base (x402 v2, exact). An unpaid call returns a tool result with isError true and the x402 PaymentRequired in structuredContent (JSON copy in content[0].text; also base64 in the PAYMENT-REQUIRED header). Pay by retrying the same tools/call with the PaymentPayload in params._meta["x402/payment"], or with header PAYMENT-SIGNATURE: <base64 PaymentPayload>. The receipt comes back in result._meta["x402/payment-response"] and the PAYMENT-RESPONSE header. Policy ids: BOE, FED, ECB, BOJ, RBA, BOC, SNB. Others return 404 (no charge). Can't find what you need? Tell us and we'll build it with request_data.
  - after: Central bank interest rate decision card (hike, hold or cut), paid, $0.02: BOE, FED, ECB, BOJ, RBA, BOC, SNB. Returns the latest decision with bank_rate, previous_bank_rate, change_bps, summary and official source_url. Free sample (the previous-meeting card, same schema): sample_policy (HTTP: GET /sample/policy/:id). $0.02 USDC on Base (x402 v2, exact). An unpaid call returns a tool result with isError true and the x402 PaymentRequired in structuredContent (JSON copy in content[0].text; also base64 in the PAYMENT-REQUIRED header). Pay by retrying the same tools/call with the PaymentPayload in params._meta["x402/payment"], or with header PAYMENT-SIGNATURE: <base64 PaymentPayload>. The receipt comes back in result._meta["x402/payment-response"] and the PAYMENT-RESPONSE header. Policy ids: BOE, FED, ECB, BOJ, RBA, BOC, SNB, NOR, SWE. Others return 404 (no charge). Can't find what you need? Tell us and we'll build it with request_data.
- 2026-10-17 `sample_policy` changed (description, inputSchema)
  - before: Free sample central-bank interest rate decision card: the bank's previous-meeting card, same schema, no payment. It is an older example, labelled at the start of summary; the paid get_policy card ($0.02) is the latest decision. Use it as a free integration test. Policy ids: BOE, FED, ECB, BOJ, RBA, BOC, SNB. Can't find what you need? Tell us and we'll build it with request_data.
  - after: Free sample central-bank interest rate decision card: the bank's previous-meeting card, same schema, no payment. It is an older example, labelled at the start of summary; the paid get_policy card ($0.02) is the latest decision. Use it as a free integration test. Policy ids: BOE, FED, ECB, BOJ, RBA, BOC, SNB, NOR, SWE. Can't find what you need? Tell us and we'll build it with request_data.
- 2026-10-17 `list_filers` changed (description)
  - before: Free coverage list: the covered tickers, central-bank ids, US macro ids and bundles with prices. Also returns network, payTo and per-card dates and content hashes (from /catalog). Tickers (19): AMD, MRVL, NVDA, AVGO, TSM, MU, AMAT, AAPL, MSFT, META, TSLA, ORCL, INTC, ASML, MSTR, JPM, BAC, GS, WFC. Policy ids (7): BOE, FED, ECB, BOJ, RBA, BOC, SNB. Macro ids (3): NFP, GDP, CPI. Bundles: SEMIS, CENTRALBANKS. Can't find what you need? Tell us and we'll build it with request_data.
  - after: Free coverage list: the covered tickers, central-bank ids, US macro ids and bundles with prices. Also returns network, payTo and per-card dates and content hashes (from /catalog). Tickers (19): AMD, MRVL, NVDA, AVGO, TSM, MU, AMAT, AAPL, MSFT, META, TSLA, ORCL, INTC, ASML, MSTR, JPM, BAC, GS, WFC. Policy ids (9): BOE, FED, ECB, BOJ, RBA, BOC, SNB, NOR, SWE. Macro ids (3): NFP, GDP, CPI. Bundles: SEMIS, CENTRALBANKS. Can't find what you need? Tell us and we'll build it with request_data.

Full history: https://api.protogrid.dev/v1/servers/xyz.filingdelta%2Ffilingdelta/changes

## Remotes

- https://filingdelta.xyz/mcp (streamable-http, auth none, reachable true, uptime30d 1)

## Packages

_none_

## Tools (11)

- `get_bundle`: Bundle of cards: SEMIS (9 chip filing cards, $0.12) or CENTRALBANKS (7 rate cards, $0.08), 33% to 43% off buying singly. USDC on Base (x402 v2, exact). Unpaid call: isError true with PaymentRequired in structuredContent. Pay by retrying tools/call with the PaymentPayload in params._meta["x402/payment"] (or header PAYMENT-SIGNATURE); receipt in result._meta["x402/payment-response"]. Others return 404 (no charge). Can't find what you need? Tell us and we'll build it with request_data.
- `get_filing_delta`: What changed in a company's latest SEC filing, mainly vs the year-ago period: cited, materiality-rated changes. Free: sample_delta. (see comparison_basis) $0.02 USDC on Base (x402 v2, exact). Unpaid call: isError true with PaymentRequired in structuredContent. Pay by retrying tools/call with the PaymentPayload in params._meta["x402/payment"] (or header PAYMENT-SIGNATURE); receipt in result._meta["x402/payment-response"]. Tickers: AMD, MRVL, NVDA, AVGO, TSM, MU, AMAT, AAPL, MSFT, META, TSLA, ORCL, INTC, ASML, MSTR, JPM, BAC, GS, WFC. Others return 404 (no charge). Can't find what you need? Tell us and we'll build it with request_data.
- `get_macro`: Latest US CPI, payrolls or GDP release: five cited items with agency, reference_period and source_url. Free sample: sample_macro. $0.01 USDC on Base (x402 v2, exact). Unpaid call: isError true with PaymentRequired in structuredContent. Pay by retrying tools/call with the PaymentPayload in params._meta["x402/payment"] (or header PAYMENT-SIGNATURE); receipt in result._meta["x402/payment-response"]. Macro ids: NFP, GDP, CPI. Others return 404 (no charge). Can't find what you need? Tell us and we'll build it with request_data.
- `get_policy`: Latest central-bank rate decision (hike/hold/cut): bank_rate, change_bps, summary, official source_url. Free sample: sample_policy. $0.02 USDC on Base (x402 v2, exact). Unpaid call: isError true with PaymentRequired in structuredContent. Pay by retrying tools/call with the PaymentPayload in params._meta["x402/payment"] (or header PAYMENT-SIGNATURE); receipt in result._meta["x402/payment-response"]. Policy ids: BOE, FED, ECB, BOJ, RBA, BOC, SNB, NOR, SWE. Others return 404 (no charge). Can't find what you need? Tell us and we'll build it with request_data.
- `list_filers`: Free coverage list: the covered tickers, central-bank ids, US macro ids and bundles with prices. Also returns network, payTo and per-card dates and content hashes (from /catalog). Tickers (19): AMD, MRVL, NVDA, AVGO, TSM, MU, AMAT, AAPL, MSFT, META, TSLA, ORCL, INTC, ASML, MSTR, JPM, BAC, GS, WFC. Policy ids (9): BOE, FED, ECB, BOJ, RBA, BOC, SNB, NOR, SWE. Macro ids (3): NFP, GDP, CPI. Bundles: SEMIS, CENTRALBANKS. Can't find what you need? Tell us and we'll build it with request_data.
- `request_data`: Free request form for data FilingDelta doesn't cover yet (a ticker, central bank or release). Fields: what (required, up to 500 characters), price_usd (optional, what you would pay per card), frequency (optional), contact (optional, e.g. an email), wallet (optional 0x address). No links or HTML. Limits: 5 per hour per client, 20 per wallet per day. Returns {ok:true} when stored.
- `sample_delta`: Free sample of get_filing_delta: top changes in a company's latest SEC filing, same schema, no payment. Use it to test. Tickers: AMD, MRVL, NVDA, AVGO, TSM, MU, AMAT, AAPL, MSFT, META, TSLA, ORCL, INTC, ASML, MSTR, JPM, BAC, GS, WFC. Can't find what you need? Tell us and we'll build it with request_data.
- `sample_macro`: Free sample US macro release card (CPI inflation, nonfarm payrolls, GDP): trimmed latest card, same schema, no payment. Shows the first 2 of 5 items; the paid get_macro card ($0.01) has all 5. Use it as a free integration test. Macro ids: NFP, GDP, CPI. Can't find what you need? Tell us and we'll build it with request_data.
- `sample_policy`: Free sample central-bank interest rate decision card: the bank's previous-meeting card, same schema, no payment. It is an older example, labelled at the start of summary; the paid get_policy card ($0.02) is the latest decision. Use it as a free integration test. Policy ids: BOE, FED, ECB, BOJ, RBA, BOC, SNB, NOR, SWE. Can't find what you need? Tell us and we'll build it with request_data.
- `search_coverage`: Free: find covered companies, central banks or US macro releases by name or topic; returns the tool to call. Can't find what you need? Tell us and we'll build it with request_data.
- `whats_new`: Free: which covered cards changed since a date. Compare content_hash with yours to skip re-buying unchanged cards. Can't find what you need? Tell us and we'll build it with request_data.