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governance_activity

Requires a ChainHelix API key as bearer token, or 2 cents per call paid over Binance b402 in USDT, USDC, USD1 or U on BNB Smart Chain, or over x402 in USDC on the Base network. DAO governance on Snapshot over a window: proposals, votes and scores per space, most active first. space is a Snapshot space id such as aavedao.eth. window in hours, default 168, max 2160

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limitNo
spaceNo
windowNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
metaNo
receiptNo
resultsYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedInput schema / x-lexicon / bundleSha256
      Previous value: -"a1c2e10fd3177d6b4d59ca78693e8fb36880165cf0f735f680dd86a510411178"New value: +"e5b4290024a229f2bdf97f8fc6a0079c3fe13b77267f41fdcffeb8b26aa1c41e"
  2. Changed1 schema field changed
    • changedInput schema / x-lexicon / bundleSha256
      Previous value: -"1eeb782ee15fe69fc80776948e0556fa6b795e210e6305935b2c97b73d955cda"New value: +"a1c2e10fd3177d6b4d59ca78693e8fb36880165cf0f735f680dd86a510411178"
  3. Changed1 schema field changed
    • changedInput schema / x-lexicon / bundleSha256
      Previous value: -"c014292cad7497ce9fd68c33345ac32cb42b672c8e77d6c749c26e162cc207e4"New value: +"1eeb782ee15fe69fc80776948e0556fa6b795e210e6305935b2c97b73d955cda"
  4. Changed3 schema fields changed
    • addedInput schema / x-aliases
      Added value: +{
      +  "limit": [
      +    "Limit",
      +    "limits",
      +    "$limit",
      +    "_limit",
      +    "Limits"
      +  ]
      +}
    • addedInput schema / x-lexicon
      Added value: +{
      +  "bundleSha256": "c014292cad7497ce9fd68c33345ac32cb42b672c8e77d6c749c26e162cc207e4",
      +  "name": "ChainHelix Agentic Lexicon",
      +  "resolve": "lexicon_resolve",
      +  "spec": "lexicon_spec",
      +  "version": "0.1.0"
      +}
    • addedInput schema / x-vocab
      Added value: +{
      +  "limit": "data.limit",
      +  "space": "data.space",
      +  "window": "market.window"
      +}
  5. Changed4 schema fields changed
    • addedOutput schema / properties / meta
      Added value: +{
      +  "additionalProperties": false,
      +  "properties": {
      +    "contentHash": {
      +      "type": "string"
      +    },
      +    "generated": {
      +      "type": "number"
      +    },
      +    "priceUsd": {
      +      "type": "number"
      +    },
      +    "validUntil": {
      +      "type": "number"
      +    }
      +  },
      +  "type": "object"
      +}
    • addedOutput schema / properties / receipt
      Added value: +{
      +  "additionalProperties": false,
      +  "properties": {
      +    "bytes": {
      +      "type": "number"
      +    },
      +    "covers": {
      +      "type": "string"
      +    },
      +    "issuedAt": {
      +      "type": "number"
      +    },
      +    "lookup": {
      +      "type": "string"
      +    },
      +    "network": {
      +      "type": [
      +        "string",
      +        "null"
      +      ]
      +    },
      +    "nonce": {
      +      "type": "string"
      +    },
      +    "seq": {
      +      "type": "number"
      +    },
      +    "settleTx": {
      +      "type": [
      +        "string",
      +        "null"
      +      ]
      +    },
      +    "sha256": {
      +      "type": "string"
      +    },
      +    "tool": {
      +      "type": [
      +        "string",
      +        "null"
      +      ]
      +    }
      +  },
      +  "type": "object"
      +}
    • addedOutput schema / properties / results / items / properties / latestBucket
      Added value: +{
      +  "type": [
      +    "number",
      +    "null"
      +  ]
      +}
    • addedOutput schema / properties / results / items / properties / source
      Added value: +{
      +  "type": "string"
      +}
  6. Added

TDQS

A3.6/5.0
Behavior4/5

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

With no annotations, the description carries the full burden of behavioral disclosure, and it does well: it states authentication requirements (ChainHelix API key as bearer token), per-call costs with payment methods, ordering ('most active first'), and window constraints (default 168, max 2160). It does not mention rate limits or failure behavior, but the key operational traits are covered.

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

Conciseness4/5

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

The description is dense and mostly front-loaded: payment/auth requirements come first, then the core purpose, then the parameter details. There is no filler, though the payment sentence is long and contains more detail than strictly necessary. Overall, each sentence earns its place.

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?

Given the tool has no required parameters and an output schema exists, the description covers the essentials: auth, cost, space, window, ordering, and output content. The unexplained 'limit' parameter and lack of a concrete usage example are notable gaps, but the tool is usable with the provided information.

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?

Schema description coverage is 0%, so the description must compensate. It clarifies 'space' (Snapshot space id) and 'window' (hours, default, max), which is valuable. However, the 'limit' parameter is left entirely unexplained, leaving a meaningful gap in the parameter semantics.

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

Purpose4/5

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

The description clearly identifies the tool's purpose: retrieving DAO governance data from Snapshot over a time window, specifically proposals, votes, and scores per space. It also notes the ordering ('most active first'), which clarifies what the tool returns. However, it does not explicitly differentiate this tool from its many siblings, so it stops short of a 5.

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

Usage Guidelines3/5

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

Usage is implied through the domain description: if you need Snapshot governance activity for a space, this is the tool. The description also explains how to set 'space' and 'window' parameters. But it gives no explicit guidance on when to prefer this tool over alternatives or when not to use it.

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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