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arcgate

by dev.arcgate
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telegramList

Lists the box's Telegram channels with their state.

  • Cost: Free. Signed by the box's agent over method GET, path /agent/v1/<address lowercased>/telegram/list and no body (the hash of no bytes). Or send an ARCGATE-KEY of the account the box is linked to, with no signature. Another account's key, or any key for a box that is not linked, does not apply to the box: the call is checked as if no key were sent, so it needs the signature. A key nobody holds is a 401 key_invalid. The key keeps working after the account has lapsed (its grace has ended).

  • Inputs: address (path).

  • Returns: telegrams (id, filter, linked, enabled, failures, lastError, linkCodeExpiresAt, createdAt), oldest first. filter is null for every type. Never the code or the chat. linked: false is a channel not linked yet, stopped with /stop, or whose chat blocked the bot.

  • Next:

    • telegramLink: get a new code to link a chat.

    • telegramCreate: make a new channel (paid).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
addressYesThe box's address: the agent's own address (an EOA or an EIP-7702 account), any letter case. The box is keyed by it, and a signed request must be signed by it.
agentSignatureNoThe agent's EIP-712 signature over this request, as the AGENT-SIGNATURE, AGENT-NONCE and AGENT-EXPIRY headers carry it over HTTP. Sign the typed data `AgentRequest` with fields `address` (the box), `method`, `path`, `bodyHash`, `nonce` and `expiry`, under the domain {name: "arcgate", version: "1"} with no chainId (a wallet that can only sign with one, such as Circle's, may add the chainId of the chain this deployment serves, 5042 on Arc mainnet, and no other). The `path` is the request path with every parameter filled in and the address lowercased. The `bodyHash` is the keccak256 of the canonical JSON of the body you send (sorted keys, no whitespace), or of no bytes when there is none. Omitting it is a 401 signature_required unless an ARCGATE-KEY of the account the box is linked to is sent (over MCP, on the connection), and it is never a charge: the call is free.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedInput schema / properties / agentSignature / description
      Previous value: -"The agent's EIP-712 signature over this request, as the AGENT-SIGNATURE, AGENT-NONCE and AGENT-EXPIRY headers carry it over HTTP. Sign the typed data `AgentRequest` with fields `address` (the box), `method`, `path`, `bodyHash`, `nonce` and `expiry`, under the domain {name: \"arcgate\", version: \"1\"} with no chainId (a wallet that can only sign with one, such as Circle's, may add the chainId of the chain this deployment serves, 5042 on Arc mainnet, and no other). The `path` is the request path with every parameter filled in and the address lowercased. The `bodyHash` is the keccak256 of the canonical JSON of the body you send (sorted keys, no whitespace), or of no bytes when there is none. Omitting it is a 401 signature_required, never a charge: the call is free."New value: +"The agent's EIP-712 signature over this request, as the AGENT-SIGNATURE, AGENT-NONCE and AGENT-EXPIRY headers carry it over HTTP. Sign the typed data `AgentRequest` with fields `address` (the box), `method`, `path`, `bodyHash`, `nonce` and `expiry`, under the domain {name: \"arcgate\", version: \"1\"} with no chainId (a wallet that can only sign with one, such as Circle's, may add the chainId of the chain this deployment serves, 5042 on Arc mainnet, and no other). The `path` is the request path with every parameter filled in and the address lowercased. The `bodyHash` is the keccak256 of the canonical JSON of the body you send (sorted keys, no whitespace), or of no bytes when there is none. Omitting it is a 401 signature_required unless an ARCGATE-KEY of the account the box is linked to is sent (over MCP, on the connection), and it is never a charge: the call is free."
  2. Changed1 schema field changed
    • changedInput schema / properties / agentSignature / description
      Previous value: -"The agent's EIP-712 signature over this request, as the AGENT-SIGNATURE, AGENT-NONCE and AGENT-EXPIRY headers carry it over HTTP. Sign the typed data `AgentRequest` with fields `address` (the box), `method`, `path`, `bodyHash`, `nonce` and `expiry`, under the domain {name: \"arcgate\", version: \"1\"} with no chainId. The `path` is the request path with every parameter filled in and the address lowercased. The `bodyHash` is the keccak256 of the canonical JSON of the body you send (sorted keys, no whitespace), or of no bytes when there is none. Omitting it is a 401 signature_required, never a charge: the call is free."New value: +"The agent's EIP-712 signature over this request, as the AGENT-SIGNATURE, AGENT-NONCE and AGENT-EXPIRY headers carry it over HTTP. Sign the typed data `AgentRequest` with fields `address` (the box), `method`, `path`, `bodyHash`, `nonce` and `expiry`, under the domain {name: \"arcgate\", version: \"1\"} with no chainId (a wallet that can only sign with one, such as Circle's, may add the chainId of the chain this deployment serves, 5042 on Arc mainnet, and no other). The `path` is the request path with every parameter filled in and the address lowercased. The `bodyHash` is the keccak256 of the canonical JSON of the body you send (sorted keys, no whitespace), or of no bytes when there is none. Omitting it is a 401 signature_required, never a charge: the call is free."
  3. Added

TDQS

A4.4/5.0
Behavior5/5

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

With no annotations, the description carries the full burden and delivers: it declares the call free, spells out the two auth paths (EIP-712 signature vs ARCGATE-KEY), notes that a wrong or unlinked key degrades to needing a signature, warns of the 401 key_invalid case, and clarifies the key survives an account's lapse. It also discloses output behavior: oldest-first ordering, filter always null, the code and chat are never returned, and linked:false conflates three distinct states.

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?

Front-loaded with the purpose, then bolded sections (Cost, Inputs, Returns, Next) that make scanning easy. It is long and the auth paragraph substantially overlaps the schema's agentSignature description, so some sentences are redundant, but each section is information-dense rather than padded.

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?

No output schema exists, yet the description enumerates the returned fields, ordering, and the meaning of the ambiguous linked:false flag, and it covers cost and both auth modes. Nothing an agent needs to invoke or interpret this call is missing.

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 100% and the nested agentSignature object is exhaustively documented, so the schema already does the heavy lifting. The description restates 'address (path)' and repeats auth behavior that the schema also covers, adding little parameter-specific meaning beyond what is structured.

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?

States a specific verb and resource ('Lists the box's Telegram channels') plus the returned scope ('with their state'), and the 'Next' section names the sibling tools (telegramLink, telegramCreate) it is not. An agent can distinguish it from telegramCreate/telegramLink/telegramDelete without opening any schema.

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

Usage Guidelines4/5

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

The 'Next' section routes the agent to the right follow-ups (get a new link code via telegramLink, make a new channel via telegramCreate) and labels telegramCreate as paid, giving clear context. It stops short of an explicit 'use this when you need X, not Y' exclusion, so it is clear context rather than full when/when-not guidance.

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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