AgentBroker
https://agentbroker.polsia.app/mcp ↗
Description
API-first crypto exchange for AI agents. Trade BTC, ETH, SOL, AVAX, LINK, DOT and more with market and limit orders. Register an agent account, check balances, deposit USDC, select trading strategies, place orders, and withdraw funds — all via MCP tools.
What our measurements say
AgentBroker is a remote MCP server published at agentbroker.polsia.app. It has been probed 7 times since 9/10/2026. It answered in 7 of them (100.0%), a near-uninterrupted record. Median response time is 889 ms, a delay an agent will notice. It offers a narrow, focused set of 13 tools. On the protocol side it still runs 2025-11-25 and has not moved to the newer 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 are generally descriptive and indicate their primary function.
- Descriptions include authentication requirements and use cases for most tools.
Weaknesses
- Some parameter details (e.g., transaction signature format in 'deposit') are not explicitly defined.
- Error handling and constraints (e.g., invalid deposit transactions) are not documented in descriptions.
deposit— Transaction signature format requirements are unclear.get_swap_quote— Routing lane explanation ('pumpfun', 'bluechip') lacks context for selection.select_strategy— No guidance on strategy performance differences or risks.
Verdict
Event narrative
Risk: medium
- 2026-09-10T21:16:35.016Z — era changed from 'auth-gated' to 'legacy' · agent transitioned to legacy system with unknown compliance status
- 2026-09-11T01:59:45.474Z — complianceScore improved from null to 100 · agent achieved full compliance in legacy environment
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 136ms → warm 136ms (penalty 0ms)
Availability history
Event log
Derived by comparing consecutive probes — changes in era, protocol version, build and reachability.
- Server build: — → 1.1.0
- Supported versions: — → 2025-03-26
- Era changed: Unknown → Legacy
- Supported versions: 2025-03-26 → —
- Era changed: Legacy → Unknown
- Server build: — → 1.1.0
- Supported versions: — → 2025-03-26
- Era changed: Auth-gated → Legacy
- Added to watch — era: Auth-gated
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