AI Arena Agent Tools
Description
Read-only US public-data screening tools with free Basic and Evidence tiers.
What our measurements say
AI Arena Agent Tools is a remote MCP server published at mcp.ai-arena.ca. It has been probed 6 times since 9/12/2026. It answered in 6 of them (100.0%), a near-uninterrupted record. Median response time is 1,149 ms, a delay an agent will notice. It offers a narrow, focused set of 13 tools. On the protocol side it speaks the 2026-07-28 stateless spec.
Agent readability score
Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.
Agent readability score
Strengths
- Tool names include tier indicators (Basic/Evidence) for clear differentiation.
- Parameters are well-typed with required/optional flags.
Weaknesses
- Descriptions often omit specific use cases (e.g., 'when to use this tool')
- Redundant tool pairs (Basic vs Evidence tiers) create selection ambiguity
- No error handling documentation for parameter constraints
sec_recent_filings_basic— No explanation of CIK parameter purposesec_action_radar_basic— Lacks clarification on material event detection scopetender_preflight_basic— Unclear what 'set-aside' and 'PSC' refer to in descriptionus_recipient_search_basic— No definition of 'UEI' parameter in description
Verdict
Event narrative
Risk: low
Advice
Schema compliance
tools/list structure, inputSchema validity, and a functional smoke test — the components of the 0-100 score.
- tools/list schema valid
- inputSchema is valid JSON Schema
- Smoke test not run this round
- Cold-start: cold 130ms → warm 131ms (penalty 0ms)
Tools
Tools the server advertised in the latest measurement — measured, not catalog-claimed.
ai_arena_statusCheck AI Arena version, free-beta mode and available pricing tiers.
sec_recent_filings_basicFREE beta. Compact recent SEC filing metadata optimized for low-token agent screening.
cikstringrequiredlimitinteger
sec_recent_filings_evidenceFREE beta. Recent SEC filings with accession data, filing URLs, retrieval provenance and larger limits. Intended future paid tier.
cikstringrequiredlimitinteger
sec_action_radar_basicFREE beta. Quickly flags recent filing forms associated with tenders, offerings, proxies and material events.
cikstringrequiredlimitinteger
sec_action_radar_evidenceFREE beta. Form-based corporate-action signals with confidence, accession numbers, direct filing URLs and provenance. Intended future paid tier.
cikstringrequiredlimitinteger
sec_company_fact_search_basicFREE beta. Search SEC XBRL facts and return compact latest observations.
cikstringrequiredconceptstringrequired
sec_company_fact_search_evidenceFREE beta. SEC XBRL concept matches with descriptions, multiple observations and source provenance. Intended future paid tier.
cikstringrequiredconceptstringrequired
us_federal_award_basicFREE beta. Compact USAspending federal-award summary by award ID.
award_idstringrequired
us_federal_award_evidenceFREE beta. Richer USAspending award evidence and provenance while avoiding an unbounded raw passthrough. Intended future paid tier.
award_idstringrequired
us_recipient_search_basicFREE beta. Search USAspending recipient names/UEIs with compact results.
querystringrequiredlimitinteger
us_recipient_search_evidenceFREE beta. Larger recipient result set with authoritative API provenance. Intended future paid tier.
querystringrequiredlimitinteger
tender_preflight_basicFREE beta. Deterministic screening for set-aside, NAICS, PSC, security-clearance and date signals in supplied tender text.
textstringrequired
Availability history
Event log
Derived by comparing consecutive probes — changes in era, protocol version, build and reachability.
- Added to watch — era: Dual-era
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