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Mempool Space

by io.github.pipeworx-io

Recommended Fees

recommended_fees
Read-onlyIdempotent

Current sat/vB fee recommendations.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
networkNoWhich Bitcoin network. Defaults to mainnet — the real Bitcoin network, which is what "Bitcoin" means in an ordinary question. "bitcoin" and "btc" are accepted as aliases for mainnet.mainnet

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
hourFeeNoOne-hour fee in sat/vB
economyFeeNoEconomy fee in sat/vB
fastestFeeNoFastest fee in sat/vB
minimumFeeNoMinimum fee in sat/vB
halfHourFeeNoHalf-hour fee in sat/vB

TDQS

A3.5/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint, idempotentHint, openWorldHint, and non-destructive nature. The description adds no further behavioral context (e.g., caching, rate limits, or data freshness). Given thorough annotations, the description's contribution is minimal, earning a baseline score of 3.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, concise sentence that front-loads the key information. No unnecessary words or filler, making it efficient for an AI agent to parse.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

While the tool has an output schema (handling return values) and a simple input, the description lacks additional context such as network availability, typical fee ranges, or usage patterns. It is minimally adequate but could be more informative about when these recommendations are updated or their reliability.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has 100% coverage with a detailed description for the 'network' parameter (including aliases and default). The tool-level description adds nothing beyond what is already in the schema, so the score is the baseline of 3.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description 'Current sat/vB fee recommendations' clearly states the tool returns recommended fees in satoshis per vbyte. It uses a specific verb ('recommend') and resource ('fees'), and the simplicity distinguishes it from sibling tools like mempool_stats which might offer broader mempool data.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance is provided on when to use this tool versus alternatives such as mempool_stats or other fee-related tools. There is no mention of context, prerequisites, or scenarios where this tool is preferred or should be avoided.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

All Mempool Space toolsInspect
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TDQS

B3.1/5.0
Disambiguation2/5

The set mixes two unrelated domains — Bitcoin mempool explorer tools and the much larger Pipeworx data-query platform — and within the Pipeworx half several tools route to the same 5,743-tool catalog (ask_pipeworx, deep_research, discover_tools, suggest_questions). ask_pipeworx_beta is currently an exact behavioral duplicate of ask_pipeworx, and the polymarket_* family has fuzzy boundaries (arbitrage vs edges vs fill_risk, with fill-checking living in both polymarket_arbitrage and polymarket_fill_risk), so an agent must read long descriptions to avoid misselection.

Naming Consistency3/5

All names use snake_case and there are recognizable sub-families (get_* Bitcoin lookups, ask_pipeworx_*, polymarket_*), but conventions are mixed across the whole set: bare-noun state tools (block_height, hashrate, mempool_stats, mining_pools) sit beside verb_noun actions (get_block, list_subscriptions), and prefix placement is inconsistent (ask_pipeworx vs pipeworx_trending/pipeworx_feedback). The naming is readable but not predictable enough to guess a tool's name from its function.

Tool Count2/5

41 tools is well past the 25+ threshold for a coherent server, and the count is inflated by bundling two unrelated products under a server named after only the smaller half (~10 Bitcoin tools vs ~31 Pipeworx tools). Many Pipeworx tools are convenience wrappers around one universal router, adding surface area without adding genuinely new capabilities.

Completeness3/5

Each half is internally workable: the Bitcoin side covers blocks, transactions, addresses, fees, hashrate, and pools, while the Pipeworx side provides broad query, research, subscription, and memory lifecycles. However, there are notable gaps relative to each domain (no block-list/fee-history endpoints on the explorer side; no direct per-source CRUD on the data side), and no single coherent domain is fully served because the server's stated identity matches only a fraction of its tools.

Resources