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Signal Nodus SEC Filings

REMOTE · MCP.SIGNALNODUS.AI · SCANNED AUG 20

SEC filing diffs, 8-K events, 13D stakes, insider trades, IPOs, federal contracts. Pay per call.

65 Trust /100
Trust breakdown (6 categories)

How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score →

Endpoint Security63
Transport & Reachability100
Schema Quality & AI Usability76
  • AI-judged instruction clarity (excellent).Pass
  • Context-footprint check failed: tool/resource definitions use about 3057 tokens (~127/item across 24 items; 24 tools + 0 resources), over budget; trim descriptions and params. See how to fix → Fail
  • Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management10
  • Stability observed for 3 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage100
  • 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
  • 100% of tool parameters carry a description.Pass
Capabilities60
  • Spec-recency check failed: implements MCP spec 2025-06-18; the latest is 2026-07-28. See how to fix → Fail
Install

Add this component to your MCP client. Where a client-specific snippet is available, pick your client below and copy it straight into your config; otherwise use the connection detail shown.

remote · mcp.signalnodus.ai

# add to Claude Code
claude mcp add --transport http ai-signalnodus-sec-filings https://mcp.signalnodus.ai/
# ~/.codex/config.toml
[mcp_servers.ai-signalnodus-sec-filings]
url = "https://mcp.signalnodus.ai/"
// opencode.json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "ai-signalnodus-sec-filings": {
      "type": "remote",
      "url": "https://mcp.signalnodus.ai/",
      "enabled": true
    }
  }
}
# add to OpenClaw
openclaw mcp add ai-signalnodus-sec-filings --url https://mcp.signalnodus.ai/ --transport streamable-http
# ~/.hermes/config.yaml
mcp_servers:
  ai-signalnodus-sec-filings:
    url: "https://mcp.signalnodus.ai/"
// mcp.json
{
  "mcpServers": {
    "ai-signalnodus-sec-filings": {
      "type": "http",
      "url": "https://mcp.signalnodus.ai/"
    }
  }
}

The mcpServers block is a cross-client convention. Remote transports vary, so check your client's docs.

Changelog

Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.

  • 20 Aug 26 +3
    • Tool “company_financials” rewrote its description, which is the text the model reads security
    • Tool “compare_filings” rewrote its description, which is the text the model reads security
    • Tool “filing_section” rewrote its description, which is the text the model reads security
    • Tool “lookup_company” rewrote its description, which is the text the model reads security
    • Tool “recent_filings” rewrote its description, which is the text the model reads security
    • Schema quality: 228 → 127 functional
    • Schema quality: good → excellent functional
    • New tool “activist_stakes” functional
    • New tool “domain_report” functional
    • New tool “edgar_search” functional
    • New tool “evm_balance” functional
    • New tool “evm_gas” functional
    • New tool “evm_receipt” functional
    • New tool “filing_events” functional
    • New tool “fx_rate” functional
    • New tool “government_contracts” functional
    • New tool “insider_trades” functional
    • New tool “institutional_holdings” functional
    • New tool “ipo_pipeline” functional
    • New tool “latest_filings” functional
    • New tool “lobbying” functional
    • New tool “prediction_markets” functional
    • New tool “risk_churn_score” functional
    • New tool “token_price” functional
    • New tool “verify_financial_claim” functional
    • New tool “who_holds” functional
  • 19 Aug 26 +1

    No change was recorded against any check on this day. Stability & Change Management went from 3 to 7. That category is still filling its 30-day observation window: 1 days of observed history at the previous scan, 2 at this one. The score rises as the window fills, whether or not the server changes.

  • 18 Aug 26 0
    • Stability: unverified → 0.03 functional
  • 17 Aug 26 61

    First indexed and scored.

Diagnostics

Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.

Captured 20 Aug 2026 · Probed https://mcp.signalnodus.ai/

TLS valid

Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .

Subject Issuer Valid from Valid until Key Signature Serial
CN=signalnodus.ai CN=WE1,O=Google Trust Services,C=US 15 Aug 2026 13 Nov 2026 ECDSA 256 ECDSA-SHA256 77076812ca3759f413ca5ab70bcd3dfd
SANs: signalnodus.ai, mcp.signalnodus.ai, *.mcp.signalnodus.ai
CN=WE1,O=Google Trust Services,C=US (CA) CN=GTS Root R4,O=Google Trust Services LLC,C=US 13 Dec 2023 20 Feb 2029 ECDSA 256 ECDSA-SHA384 7ff31977972c224a76155d13b6d685e3
CN=GTS Root R4,O=Google Trust Services LLC,C=US (CA) CN=GlobalSign Root CA,OU=Root CA,O=GlobalSign nv-sa,C=BE 15 Nov 2023 28 Jan 2028 ECDSA 384 SHA256-RSA 7fe530bf331343bedd821610493d8a1b
DNSSEC insecure

Validation of mcp.signalnodus.ai. Not signed

Zone DS Keys Algorithms Outcome
. trust_anchor 20326, 38696 8, 8 Verified
ai. present 3799 8 Verified
signalnodus.ai. absent Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation
Authentication No authorisation required

The endpoint answered without asking for a token. Anyone who knows the URL can reach it.

Result No authorisation required
HTTP status 200
Header Value
strict-transport-security max-age=15552000; includeSubDomains
content-security-policy default-src 'none'; frame-ancestors 'none'
x-content-type-options nosniff
x-frame-options DENY
referrer-policy no-referrer
Transports 2 probes
Transport URL Outcome Status Location
streamable-http https://mcp.signalnodus.ai/ Verified 200
http (plaintext) http://mcp.signalnodus.ai/ HTTPS enforced 301 https://mcp.signalnodus.ai/
MCP tools · 24 exposed · ~2,835 tokens

The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability.

Tool Tokens
activist_stakes ~124

Schedule 13D and 13G beneficial-ownership filings naming a company over a window, newest first. A fresh 13D is the standard first public signal of an activist position. Costs $0.05 per call.

NameTypeReqDescription
companystringyesTicker symbol (e.g. AAPL) or SEC CIK number (e.g. 320193).
daysintegerLookback window in days, 30-730. Default 365.
limitintegerFilings to return, max 100. Default 25.

No output schema declared.

No examples provided.

company_financials ~130

Fetch an as-reported XBRL financial concept for a company across recent periods, each tied to the filing it came from. Note that many issuers report revenue under RevenueFromContractWithCustomerExcludingAssessedTax rather than Revenues; if one returns nothing current, try the other. Costs $0.01 per call. No subscription: present a credit key or a machine payment.

NameTypeReqDescription
companystringyesTicker symbol (e.g. AAPL) or SEC CIK number (e.g. 320193).
conceptstringyesUS-GAAP concept name.

No output schema declared.

No examples provided.

compare_filings ~215

Compare the same item between two filings of a company and return what changed: added and removed passages plus a change ratio. This is the year-over-year risk factor or MD&A comparison, done for you. Pass two accession numbers to pin exactly which filings are compared; otherwise the two most recent of that form are used. Costs $0.50 per call. No subscription: present a credit key or a machine payment.

NameTypeReqDescription
companystringyesTicker symbol (e.g. AAPL) or SEC CIK number (e.g. 320193).
formstring10-K or 10-Q. Default 10-K.
from_accessionstringOlder filing to compare from.
itemstringItem to compare, e.g. 1A for risk factors. Default 1A.
max_passagesintegerCap on added/removed passages returned. Default 40.
to_accessionstringNewer filing to compare to.

No output schema declared.

No examples provided.

domain_report ~57

DNS records, SPF presence, registration date and age, registrar, expiry and RDAP status for a hostname, in one call. Costs $0.01 per call.

NameTypeReqDescription
domainstringyesBare hostname, e.g. example.com.

No output schema declared.

No examples provided.

edgar_search ~146

Exact-phrase full-text search over every EDGAR filing since 2001. Returns the company, form, date, and accession number of each hit, ready to feed into filing_section or compare_filings. Costs $0.01 per call.

NameTypeReqDescription
formsstringOptional comma list of form types, e.g. 10-K,8-K.
fromstringOptional start date, YYYY-MM-DD.
limitintegerHits to return, max 50. Default 10.
qstringyesExact phrase to search for, 2-200 characters.
tostringOptional end date, YYYY-MM-DD.

No output schema declared.

No examples provided.

evm_balance ~59

Native balance of any 0x address with block height, from public RPC. Costs $0.01 per call.

NameTypeReqDescription
addressstringyes0x-prefixed address.
chainstringbase or ethereum. Default base.

No output schema declared.

No examples provided.

evm_gas ~43

Current gas price in wei and gwei with block height. Costs $0.01 per call.

NameTypeReqDescription
chainstringbase or ethereum. Default base.

No output schema declared.

No examples provided.

evm_receipt ~61

Status, gas used, effective gas price and log count for a transaction hash. Costs $0.01 per call.

NameTypeReqDescription
chainstringbase or ethereum. Default base.
txstringyes0x-prefixed transaction hash.

No output schema declared.

No examples provided.

filing_events ~160

A company's 8-K filings parsed into material events with decoded item codes: executive departures (5.02), restatements (4.02), acquisitions (2.01), cybersecurity incidents (1.05), and the rest. eventDate is when it happened, filedAt when it was disclosed. Costs $0.05 per call.

NameTypeReqDescription
companystringyesTicker symbol (e.g. AAPL) or SEC CIK number (e.g. 320193).
include_amendmentsbooleanAlso include 8-K/A amendments.
itemstringOptional item-code filter, e.g. 5.02.
limitintegerEvents to return, max 25. Default 10.

No output schema declared.

No examples provided.

filing_section ~244

Pull a single numbered item out of a 10-K or 10-Q as clean text: risk factors (1A), MD&A (7), business (1), and the rest. Saves you fetching a multi-megabyte HTML document and finding the section yourself. Pin an exact filing with `accession`; without it you get the most recent filing of that form, which changes when the company amends. Costs $0.05 per call. No subscription: present a credit key or a machine payment.

NameTypeReqDescription
accessionstringExact accession number to pin, e.g. 0000320193-26-000020. Strongly recommended for anything reproducible.
companystringyesTicker symbol (e.g. AAPL) or SEC CIK number (e.g. 320193).
formstring10-K or 10-Q. Default 10-K.
itemstringItem number, e.g. 1A, 7, 7A. Call with item omitted to list what this filing has.
max_charsintegerTruncate the section. Default 50000.

No output schema declared.

No examples provided.

fx_rate ~70

ECB reference rates from one base currency to up to ten targets, ISO 4217. Daily fix, not a tradable quote. Costs $0.01 per call.

NameTypeReqDescription
fromstringBase currency. Default USD.
tostringComma list of targets. Default EUR.

No output schema declared.

No examples provided.

government_contracts ~106

Federal prime contract awards to a company from USAspending.gov, largest first: award id, amount, agency, and period. Recipient match is by name text. Costs $0.05 per call.

NameTypeReqDescription
companystringyesRecipient name, e.g. Lockheed Martin.
daysintegerLookback window in days, 30-1825. Default 365.
limitintegerAwards to return, max 25. Default 10.

No output schema declared.

No examples provided.

insider_trades ~115

A company's latest Form 4 filings parsed into data: who traded, their role, buy or sell, shares, price, and holdings after. The free EDGAR servers list Form 4s; this one reads them. Every filing pinned by accession number. Costs $0.05 per call.

NameTypeReqDescription
companystringyesTicker symbol (e.g. AAPL) or SEC CIK number (e.g. 320193).
limitintegerForm 4 filings to parse. Default 5.

No output schema declared.

No examples provided.

institutional_holdings ~100

An institutional manager's latest 13F-HR parsed and aggregated: top positions by value with shares, CUSIP, and share of portfolio. Works on managers (Berkshire, Bridgewater...), not operating companies. Pinned by accession number. Costs $0.05 per call.

NameTypeReqDescription
companystringyesManager name or CIK, e.g. Berkshire Hathaway.
topintegerPositions to return. Default 20.

No output schema declared.

No examples provided.

ipo_pipeline ~88

New S-1 and F-1 registration statements as they land at EDGAR, market-wide and newest first: the earliest public signal of a US IPO. Costs $0.01 per call.

NameTypeReqDescription
include_amendmentsbooleanAlso include S-1/A and F-1/A.
limitintegerFilings to return, max 40. Default 20.

No output schema declared.

No examples provided.

latest_filings ~130

The market-wide feed of filings as they land at the SEC, optionally filtered by form type. Built for monitoring agents that poll: the answer is cached for 60 seconds upstream, includes 8-K item codes so a watcher can filter on events, and every entry carries its accession number for pinning. Costs $0.01 per call.

NameTypeReqDescription
formstringFilter to one form type, e.g. 8-K, 10-K, S-1, 13F-HR. Omit for all.
limitintegerEntries to return. Default 20.

No output schema declared.

No examples provided.

lobbying ~88

US Senate LDA lobbying disclosures for a client company, newest first: registrant, reported income or in-house expenses, and issue areas. Costs $0.05 per call.

NameTypeReqDescription
companystringyesClient company name, e.g. Apple.
limitintegerFilings to return, max 25. Default 10.
yearintegerOptional filing year filter.

No output schema declared.

No examples provided.

lookup_company ~107

Resolve a ticker or CIK to a company's canonical SEC identity: legal name, CIK, industry classification, tickers, and exchanges. Use this first when you only have a ticker and need the CIK for other calls. US SEC registrants only. Free: no key and no payment needed. Use it to verify the service before paying.

NameTypeReqDescription
companystringyesTicker symbol (e.g. AAPL) or SEC CIK number (e.g. 320193).

No output schema declared.

No examples provided.

prediction_markets ~58

Top-volume Polymarket markets with implied probabilities, optionally filtered by a question substring. Costs $0.01 per call.

NameTypeReqDescription
limitintegerMarkets to return. Default 10.
qstringSubstring filter.

No output schema declared.

No examples provided.

recent_filings ~202

List a company's most recent SEC filings with form type, dates, accession number, and a direct document URL. Optionally filter to one form type (10-K, 10-Q, 8-K, 4, S-1...). Covers EDGAR's recent-filings index, which holds roughly the last 1000 filings; older history is not searched, and the response says so when it exists. This is the canonical filing record, not commentary about it. Costs $0.01 per call. No subscription: present a credit key or a machine payment.

NameTypeReqDescription
companystringyesTicker symbol (e.g. AAPL) or SEC CIK number (e.g. 320193).
formstringOptional exact form type filter, e.g. 10-K, 10-Q, 8-K, 4.
limitintegerHow many filings to return (1-50, default 10).

No output schema declared.

No examples provided.

risk_churn_score ~137

One decision number: how much of a filing item was rewritten year over year, as a percent with a verdict band (routine, typical, elevated, major rewrite). Built on the same sentence-level diff as compare_filings; buy that when you need the passages themselves. Costs $0.10 per call.

NameTypeReqDescription
companystringyesTicker symbol (e.g. AAPL) or SEC CIK number (e.g. 320193).
formstring10-K or 10-Q. Default 10-K.
itemstringItem identifier. Default 1A (risk factors).

No output schema declared.

No examples provided.

token_price ~70

DEX-aggregated price, FDV, market cap and 24h volume for a token contract. Cached 60s; not an oracle. Costs $0.01 per call.

NameTypeReqDescription
chainstringbase or ethereum. Default base.
tokenstringyesToken contract address.

No output schema declared.

No examples provided.

verify_financial_claim ~214

Deterministic check of a numeric claim against the company's own XBRL as filed with the SEC. Returns supported, contradicted, or unverifiable, with the as-reported value and the accession number to cite. Costs $0.10 per call.

NameTypeReqDescription
claimed_valuenumberyesThe value the claim asserts, in the concept's unit.
companystringyesTicker symbol (e.g. AAPL) or SEC CIK number (e.g. 320193).
conceptstringyesXBRL concept, e.g. Revenues or NetIncomeLoss.
endstringAlternative to fiscal_year: exact period end date, YYYY-MM-DD.
fiscal_periodstringFY, Q1, Q2, Q3, or Q4. Default FY.
fiscal_yearintegerFiscal year of the claim, e.g. 2025.
tolerance_pctnumberMatch tolerance in percent. Default 0.5.

No output schema declared.

No examples provided.

who_holds ~111

Every 13F manager whose latest information table names the company: manager, CIK, filing date, accession number, plus the total count of reporting managers. The inverse of institutional_holdings; chain them to walk from a ticker to full parsed portfolios. Costs $0.05 per call.

NameTypeReqDescription
companystringyesTicker symbol (e.g. AAPL) or SEC CIK number (e.g. 320193).
limitintegerManagers to return. Default 25.

No output schema declared.

No examples provided.