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DERO MCP Server

by io.github.DHEBP

dero_get_last_block_header

Read-only

Get the header of the current tip block via DERO.GetLastBlockHeader (no full block body).

When to call: when you need tip block metadata (hash, miner, timestamp, difficulty) without the transactions or miner_tx payload. PREFER dero_get_block when you need transactions or the miner_tx.

Input Requirements: none.

Output: { block_header: { hash, height, topoheight, timestamp, difficulty, ... } }.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

TDQS

A4.7/5.0
Behavior4/5

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

Annotations already declare readOnlyHint=true and destructiveHint=false, so the description adds value by specifying the scope (block header only) and output fields (hash, height, etc.), which is clear and non-contradictory.

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 concise with clear sections (purpose, when to call, input, output). Each sentence adds value, no superfluous content.

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

Completeness5/5

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

Given no required inputs and no output schema, the description provides a representative output snippet and covers all relevant context for a simple read-only tool.

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

Parameters4/5

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

No parameters exist, and the description explicitly states 'Input Requirements: none'. Since schema coverage is 100%, and the description adds no redundant info, baseline 4 applies.

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 explicitly states it retrieves the header of the current tip block via DERO.GetLastBlockHeader and clearly distinguishes it from dero_get_block by noting it returns no full block body.

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

Usage Guidelines5/5

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

Provides explicit guidance: 'When to call' describes scenarios for tip block metadata without transactions, and recommends dero_get_block when transactions are needed, differentiating from a sibling tool.

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

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TDQS

A4.4/5.0
Disambiguation5/5

Each tool has a clearly distinct purpose, with detailed descriptions that specify when to call it and how it differs from similar tools. Composite tools are well-defined, overlapping concerns are minimized.

Naming Consistency4/5

Tool names follow a general pattern: 'dero_' for core daemon RPC wrappers, 'tela_' for TELA-specific composites, and descriptive names for other composites. While mostly consistent, there are exceptions like 'audit_chain_artifact_claim' and 'dero_durl_to_scid' breaking the pattern slightly.

Tool Count4/5

With 32 tools, the server is comprehensive but slightly heavy. However, each tool serves a specific need in the DERO ecosystem, covering chain queries, docs, TELA, and composite analyses. The count is justifiable given the domain breadth.

Completeness4/5

The tool set covers core chain operations, documentation, TELA app lifecycle, and common analytical tasks. Minor gaps exist, such as lack of wallet interaction tools or transaction submission, but these are outside the apparent read-only/analysis scope.

Resources