# US Company Intelligence for AI Agents (SEC EDGAR, x402) (online.x-402/mcp): tool descriptions scored

- tools/list taken: 2026-11-02 (UTC)
- From: [Official MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/online.x-402%2Fmcp/versions/latest)
- Connected to: https://api.x-402.online/mcp
- Homepage: https://api.x-402.online/
- Scoring rules: v2
- Tools: 72
- Average: 42.1 / 100 (Cloudy)
- Near-identical pairs: 3

This page shows how US Company Intelligence for AI Agents (SEC EDGAR, x402) (online.x-402/mcp)'s tool descriptions scored, the issues found and the names of its tools and parameters. The descriptions are the server's own: read them where the copy came from.

Forecall asked the URL this server lists in the official MCP Registry for its tools/list once, on the date above, without calling any tool. The server may have changed since.

## Across the server

- Major: 72 tools. Above 40, models choose less accurately.

## Tools

- `callbacks`: 32 / 100
  - Major: Arguments without a description: ttl_hours, label.
  - Minor: String arguments with no constraint or example: label.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `publish`: 32 / 100
  - Major: Arguments without a description: html, title, ttl_days.
  - Minor: String arguments with no constraint or example: html, title.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `token_verdict`: 32 / 100
  - Major: Arguments without a description: tokenAddress.
  - Minor: String arguments with no constraint or example: tokenAddress.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `chain_abi`: 35 / 100
  - Major: Arguments without a description: address, chain_id.
  - Minor: String arguments with no constraint or example: address.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
  - Minor: Required identifiers whose description does not say where the value comes from: chain_id. Name the tool or the place that returns it, or models look it up first.
- `chain_address`: 35 / 100
  - Major: Arguments without a description: address.
  - Minor: String arguments with no constraint or example: address.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `chain_ens`: 35 / 100
  - Major: Arguments without a description: name.
  - Minor: String arguments with no constraint or example: name.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `crypto_funding-rate`: 35 / 100
  - Major: Arguments without a description: symbols.
  - Minor: String arguments with no constraint or example: symbols.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `extract`: 35 / 100
  - Major: Arguments without a description: url.
  - Minor: String arguments with no constraint or example: url.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `fx_rates`: 35 / 100
  - Major: Arguments without a description: base, symbols.
  - Minor: String arguments with no constraint or example: base, symbols.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `route_directions`: 35 / 100
  - Major: Arguments without a description: stops, mode.
  - Minor: String arguments with no constraint or example: stops, mode.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `stablecoins`: 35 / 100
  - Major: Arguments without a description: view, symbol.
  - Minor: String arguments with no constraint or example: view, symbol.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `token_price-history`: 35 / 100
  - Major: Arguments without a description: coin, days.
  - Minor: String arguments with no constraint or example: coin, days.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `url_unwrap`: 35 / 100
  - Major: Arguments without a description: url.
  - Minor: String arguments with no constraint or example: url.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `web_contacts`: 35 / 100
  - Major: Arguments without a description: url.
  - Minor: String arguments with no constraint or example: url.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `web_headings`: 35 / 100
  - Major: Arguments without a description: url.
  - Minor: String arguments with no constraint or example: url.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `web_images`: 35 / 100
  - Major: Arguments without a description: url.
  - Minor: String arguments with no constraint or example: url.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `web_navigation`: 35 / 100
  - Major: Arguments without a description: url.
  - Minor: String arguments with no constraint or example: url.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `web_tables`: 35 / 100
  - Major: Arguments without a description: url.
  - Minor: String arguments with no constraint or example: url.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `wiki_summary`: 35 / 100
  - Major: Arguments without a description: title, lang.
  - Minor: String arguments with no constraint or example: title, lang.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `amazon`: 38 / 100
  - Major: Arguments without a description: asin.
  - Minor: String arguments with no constraint or example: asin.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `chain_allowance`: 38 / 100
  - Major: Arguments without a description: owner, spender, amount.
  - Minor: String arguments with no constraint or example: owner, spender, amount.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `chain_balance`: 38 / 100
  - Major: Arguments without a description: address.
  - Minor: String arguments with no constraint or example: address.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `chain_token`: 38 / 100
  - Major: Arguments without a description: address.
  - Minor: String arguments with no constraint or example: address.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `chain_tx`: 38 / 100
  - Major: Arguments without a description: hash.
  - Minor: String arguments with no constraint or example: hash.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `crypto_news`: 38 / 100
  - Major: Arguments without a description: q, limit.
  - Minor: String arguments with no constraint or example: q.
  - Minor: Says nothing about what it returns.
- `domain_health`: 38 / 100
  - Major: Arguments without a description: domain.
  - Minor: String arguments with no constraint or example: domain.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `eu_mica-check`: 38 / 100
  - Major: Arguments without a description: name.
  - Minor: String arguments with no constraint or example: name.
  - Minor: Says nothing about what it returns.
- `geo_forward`: 38 / 100
  - Major: Arguments without a description: q.
  - Minor: String arguments with no constraint or example: q.
  - Minor: Says nothing about what it returns.
- `search_news`: 38 / 100
  - Major: Arguments without a description: q.
  - Minor: String arguments with no constraint or example: q.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `sms_inbox`: 38 / 100
  - Major: Arguments without a description: phone, since.
  - Minor: String arguments with no constraint or example: phone, since.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `vin_decode`: 38 / 100
  - Major: Arguments without a description: vin.
  - Minor: String arguments with no constraint or example: vin.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `vision`: 38 / 100
  - Major: Arguments without a description: image_url, question.
  - Minor: String arguments with no constraint or example: image_url, question.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `web_forms`: 38 / 100
  - Major: Arguments without a description: url.
  - Minor: String arguments with no constraint or example: url.
  - Minor: Says nothing about what it returns.
- `web_jsonld`: 38 / 100
  - Major: Arguments without a description: url.
  - Minor: String arguments with no constraint or example: url.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `web_prices`: 38 / 100
  - Major: Arguments without a description: url.
  - Minor: String arguments with no constraint or example: url.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `classify`: 40 / 100
  - Major: Arguments without a description: messages, labels.
  - Minor: String arguments with no constraint or example: messages, labels.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
  - Major: It may be destructive, but destructiveHint is not set.
- `geo_reverse`: 40 / 100
  - Major: Arguments without a description: lat, lon.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `render`: 40 / 100
  - Major: Arguments without a description: url.
  - Minor: String arguments with no constraint or example: url.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `screenshot`: 40 / 100
  - Major: Arguments without a description: url, fullPage.
  - Minor: String arguments with no constraint or example: url.
  - Minor: The meaning of the boolean argument fullPage is unclear.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `markets_prediction`: 41 / 100
  - Major: Arguments without a description: q, limit.
  - Minor: String arguments with no constraint or example: q.
  - Minor: Says nothing about what it returns.
- `social_search`: 41 / 100
  - Major: Arguments without a description: q, sort, t, limit.
  - Minor: String arguments with no constraint or example: q, sort, t.
  - Minor: Says nothing about what it returns.
- `social_thread`: 41 / 100
  - Major: Arguments without a description: id, limit.
  - Minor: String arguments with no constraint or example: id.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: id. Name the tool or the place that returns it, or models look it up first.
- `fr_kyb`: 42 / 100
  - Major: Arguments without a description: q.
  - Minor: String arguments with no constraint or example: q.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `fr_procedures-collectives`: 42 / 100
  - Major: Arguments without a description: siren.
  - Minor: String arguments with no constraint or example: siren.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `image`: 42 / 100
  - Major: Arguments without a description: prompt.
  - Minor: String arguments with no constraint or example: prompt.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `llm`: 42 / 100
  - Major: Arguments without a description: prompt.
  - Minor: String arguments with no constraint or example: prompt.
  - Minor: No `required` list, so every argument is optional.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `llm_pro`: 42 / 100
  - Major: Arguments without a description: prompt.
  - Minor: String arguments with no constraint or example: prompt.
  - Minor: No `required` list, so every argument is optional.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `transcribe`: 42 / 100
  - Major: Arguments without a description: url.
  - Minor: String arguments with no constraint or example: url.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `web_changed`: 42 / 100
  - Major: Arguments without a description: url, since_sha256.
  - Minor: String arguments with no constraint or example: url, since_sha256.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `apify_preflight`: 43 / 100
  - Major: Arguments without a description: actor.
  - Minor: String arguments with no constraint or example: actor.
  - Minor: Says nothing about what it returns.
  - Minor: The description says the tool is deprecated. Name the replacement, and consider taking the tool out of tools/list: models avoid it when asked for what it does.
- `search_sources`: 43 / 100
  - Major: Arguments without a description: q, top.
  - Minor: String arguments with no constraint or example: q.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `email_verify`: 45 / 100
  - Major: Arguments without a description: email.
  - Minor: String arguments with no constraint or example: email.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `fr_analyse-immo_partial`: 45 / 100
  - Major: Arguments without a description: adresse, surface.
  - Minor: String arguments with no constraint or example: adresse, surface.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `search`: 45 / 100
  - Major: Arguments without a description: q.
  - Minor: String arguments with no constraint or example: q.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `site_agent-readiness`: 45 / 100
  - Major: Arguments without a description: url.
  - Minor: String arguments with no constraint or example: url.
- `us_brief`: 45 / 100
  - Major: Arguments without a description: ticker.
  - Minor: String arguments with no constraint or example: ticker.
  - Minor: No `required` list, so every argument is optional.
- `x402_inspect`: 45 / 100
  - Major: Arguments without a description: url, method.
  - Minor: String arguments with no constraint or example: url, method.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `brief`: 46 / 100
  - Major: Arguments without a description: q, gl, max_items.
  - Minor: String arguments with no constraint or example: q, gl.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.
- `us_company`: 46 / 100
  - Major: Arguments without a description: ticker.
  - Minor: String arguments with no constraint or example: ticker.
  - Minor: Says nothing about what it returns.
- `pdf`: 47 / 100
  - Major: Arguments without a description: url.
  - Minor: String arguments with no constraint or example: url.
  - Minor: No `required` list, so every argument is optional.
- `solve`: 47 / 100
  - Major: Arguments without a description: task.
  - Minor: String arguments with no constraint or example: task.
  - Minor: No `required` list, so every argument is optional.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `perps_stock-gaps`: 48 / 100
  - Major: Arguments without a description: tickers.
  - Minor: String arguments with no constraint or example: tickers.
- `extract_verified`: 53 / 100
  - Major: Arguments without a description: url.
  - Minor: String arguments with no constraint or example: url.
- `agent_task`: 55 / 100
  - Major: Arguments without a description: objective, source, budget.
  - Minor: String arguments with no constraint or example: objective, source.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `understand`: 55 / 100
  - Major: Arguments without a description: source, objective.
  - Minor: String arguments with no constraint or example: source, objective.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `crypto_market`: 57 / 100
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `chain_block`: 60 / 100
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `proxy_20gb`: 62 / 100
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `proxy_5gb`: 62 / 100
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `chain_gas`: 63 / 100
  - Minor: Says nothing about what it returns.
- `proxy_1gb`: 65 / 100
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `sms_number`: 69 / 100
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.

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