SEC EDGAR MCP: search, preview, purchase filings. x402 USDC on Polygon. xpay + Cloud Run upstream.
Scored across 3 tools
Each tool has a distinct, non-overlapping purpose: search_filings for discovery, get_filing_sample for free preview, and purchase_filing for paid full data. Descriptions clearly differentiate them.
All tool names follow a consistent verb_noun snake_case pattern (search_filings, get_filing_sample, purchase_filing), making the set predictable.
Three tools are appropriate for this focused server: discovery, evaluation, and purchase. This is well-scoped and not overly large or small.
The tool set covers the complete workflow for accessing SEC filings: search/discover, preview sample, and purchase full data. No obvious gaps given the server's specific purpose.
Free preview of one SEC filing (agent-friendly compact row from fi_listings_portfolio_compact). [COST: $0] Includes agent_summary and financial_metrics (CompanyFacts-derived) but NOT full alpha_signals / causality_events — those ship only via purchase_filing after x402 payment. Compare with purchase_filing: sample = evaluate quality; purchase = full evidence-backed JSON.
[EXAMPLE ARGUMENTS - MAXIMAL]: {"document_id": "000000708426000023"}
Inputs: document_id. Returns: result
Purchase and deliver one full SEC filing row from fi_listings_portfolio (MPP v1.0 x402). [COST: xpay per-call + on-chain USDC data price (see FINANCE_FILING_PRICE_USD)] Full JSON includes alpha_signals with evidence_verified causality_events and financial_metrics from SEC CompanyFacts. Do NOT return agent_bundle or internal pipeline fields.
[AGENTIC WORKFLOW — mandatory 2-step 402 flow]: STEP 1: Call with document_id and network only; leave tx_hash EMPTY. STEP 2: Broadcast the exact transaction_payload on-chain (polygon USDC default). STEP 3: Call again with the same document_id, network, and confirmed tx_hash (66 chars).
[EXAMPLE ARGUMENTS - MINIMAL (Step 1 — payment info)]: {"document_id": "000000708426000023", "network": "polygon"}
"document_id": "000000708426000023", "network": "polygon", "tx_hash": "0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef" }
Inputs: document_id (required), network, tx_hash. Returns: result
PRIMARY discovery tool — lightweight catalog over 10k+ SEC filings (fi_listings_portfolio). [COST: low xpay per-call fee] Does NOT return alpha_signals, causality_events, or financial_metrics (use get_filing_sample / purchase_filing). Always returns agent_readiness_score (higher = better structured data) and edgar_url.
Required: at least one of ticker, form_type, company_name, fiscal_period, cik (avoids full-table scans).
Agent workflow after this call:
Shortlist by agent_readiness_score and optional agent_one_liner
get_filing_sample(document_id) — free preview
purchase_filing(document_id) — paid full JSON (x402)
[EXAMPLE ARGUMENTS - MINIMAL]: {"ticker": "AAPL", "limit": 5}
"ticker": "ADM", "form_type": "10-Q", "company_name": "Archer", "fiscal_period": "2026Q1", "min_agent_readiness_score": 70, "limit": 20, "offset": 0, "include_one_liner": true }
[EXAMPLE ARGUMENTS - PAGINATION (page 2)]: {"ticker": "MSFT", "form_type": "10-K", "limit": 10, "offset": 10}
Inputs: cik, limit, offset, ticker, +5 more. Returns: result
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
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