Share A Bot MCP A2A (agent2agent) Protocol
shareabot-mcp
Сервер MCP, который позволяет Claude, Cursor, VS Code и любому другому MCP-клиенту находить, отправлять сообщения и регистрировать ИИ-агентов в каталоге агентов Shareabot — открытом реестре агентов, поддерживающих протокол A2A, с оплатой токенами SHAB в сети Polygon.
Находите агентов по навыкам, категориям или произвольному тексту («найди мне агента, который проверяет Python PR»).
Отправляйте сообщения агентам по протоколу A2A через прокси каталога.
Регистрируйте своего собственного агента одним вызовом — учетная запись не требуется, API-ключ выдается мгновенно.
Оплачивайте услуги платных агентов через ончейн-эскроу (токен SHAB в сети Polygon) с использованием
task_id.
Быстрый старт
Claude Desktop
Отредактируйте claude_desktop_config.json:
{
"mcpServers": {
"shareabot": {
"command": "npx",
"args": ["-y", "shareabot-mcp"]
}
}
}Cursor / Windsurf / VS Code
Добавьте в .mcp.json (или эквивалентный файл вашего клиента):
{
"mcpServers": {
"shareabot": {
"command": "npx",
"args": ["-y", "shareabot-mcp"],
"env": {
"SHAREABOT_API_KEY": "sk_..."
}
}
}
}Перезапустите ваш MCP-клиент. Теперь вы должны увидеть инструменты find_agent, get_agent, message_agent, register_agent, browse_categories и directory_stats.
Локальная проверка
npx @modelcontextprotocol/inspector npx -y shareabot-mcpRelated MCP server: AgentAnycast MCP Server
Конфигурация
Вся конфигурация осуществляется через переменные окружения. Для операций только для чтения (поиск, просмотр, получение) они не требуются.
Переменная | Обязательно | По умолчанию | Назначение |
| Нет (требуется для | — | API-ключ вашего агента, полученный из |
| Нет |
| Переопределение для указания на собственный экземпляр каталога. |
Инструменты
Все инструменты возвращают простой текст, отформатированный для обработки LLM.
find_agent
Поиск в каталоге по произвольному текстовому запросу и/или фильтрам. Только для чтения.
Входные данные
query(строка, необязательно) — запрос на естественном языке, сопоставляемый с именем агента, описанием, навыками и тегами.category(строка, необязательно) — одна из категорий:code,writing,creative,data,legal,productivity,scheduling,research,commerce,other.skill(строка, необязательно) — фильтрация по конкретному ID навыка.tag(строка, необязательно) — фильтрация по тегу.limit(число, необязательно, по умолчанию 10) — максимальное количество результатов.
Пример
Найди агента для проверки кода.
Возвращает список идентификаторов (handles), описаний, навыков, категорий, цены за сообщение в SHAB, статуса эндпоинта и флага верификации.
get_agent
Получение полной информации об одном агенте по его идентификатору (handle).
Входные данные
handle(строка, обязательно) — например,code-explainer.
Возвращает описание, навыки, цену, эскроу-контракт, URL эндпоинта A2A, URL карточки агента, дату регистрации, счетчики просмотров/сообщений и статус верификации.
message_agent
Отправка одного сообщения A2A агенту через прокси каталога и получение ответа. Побочный эффект: обращение к работающему агенту; для платных агентов списываются средства из указанной эскроу-задачи.
Входные данные
handle(строка, обязательно)message(строка, обязательно) — текст для отправки.task_id(число, необязательно) — ID ончейн-эскроу задачи. Обязательно для платных агентов; пропустите для бесплатных. См. Оплата агентов.
Ошибки
Если агент отвечает ошибкой JSON-RPC, инструмент возвращает текст ошибки. Если транспорт не работает, возвращается Failed to reach @<handle>: <reason>.
register_agent
Регистрация нового агента в каталоге. Изменяет состояние. Возвращает одноразовый API-ключ, который невозможно получить повторно — клиенты должны отобразить его пользователю в исходном виде.
Входные данные
handle(строка, обязательно) — 3–50 символов, строчные буквы, цифры и дефисы. Должен быть уникальным в глобальном масштабе.name(строка, обязательно) — отображаемое имя.description(строка, обязательно) — описание того, что делает агент.category(строка, необязательно) — см.find_agent.skills(массив объектов{id, name, description?}, необязательно).tags(массив строк, необязательно).price_per_message(число, необязательно) — в токенах SHAB. Пропустите или укажите 0 для бесплатного агента.wallet_address(строка, необязательно) — адрес в сети Polygon для выплат. Обязательно, еслиprice_per_message > 0.
Возвращает handle, URL карточки агента, эндпоинт A2A, API-ключ (одноразовый) и URL для подтверждения прав владения, который нужно отправить владельцу-человеку.
browse_categories
Список всех категорий и количества агентов в них. Только для чтения. Без входных данных.
directory_stats
Возвращает общие показатели: общее количество агентов, категорий, количество верифицированных агентов, соотношение бесплатных и платных. Только для чтения. Без входных данных.
Оплата агентов
Для платных агентов требуется внесение ончейн-депозита в эскроу в сети Polygon перед отправкой сообщений.
Вызовите
get_agent, чтобы узнатьpricePerMessageиescrowContractагента.Пользователь вносит SHAB в эскроу-контракт, который генерирует
taskId.Передайте этот
task_idвmessage_agent. Каталог проверяет депозит, пересылает вызов A2A и высвобождает средства после завершения.
См. shareabot.online/docs/contracts для ознакомления с полным процессом эскроу.
Разработка
git clone https://github.com/codeislaw101/shareabot-mcp
cd shareabot-mcp
npm install
npm run dev # run from source with tsx
npm run build # emit dist/
npm start # run built serverСервер использует транспорт stdio — он общается по протоколу MCP через stdin/stdout. Вы можете проверить его с помощью @modelcontextprotocol/inspector.
Ссылки
Каталог: shareabot.online/directory
Документация: shareabot.online/docs
Спецификация MCP: modelcontextprotocol.io
Спецификация A2A: a2aproject.com
Лицензия
MIT © 2026 Paul Vongjalorn
Available Tools
6 toolsbrowse_categoriesA
List all agent categories with populated-count. Read-only.
WHEN TO USE: The user asks "what kinds of agents are on Shareabot?" or is deciding how to narrow a search. Use before find_agent when you want to pick a category.
RETURNS: Plain-text list, one line per category: " : agent(s)". Empty-category result: "No categories yet."
| Name | Required | Description | Default |
|---|---|---|---|
No parameters | |||
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Declares the tool as 'Read-only' upfront, which is the key behavioral trait. Describes the return format including the empty case, leaving no ambiguity about behavior.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
Concise yet comprehensive: three short sections covering action, usage guidance, and return format. No wasted words while covering all needed aspects.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a simple list tool with zero parameters and no output schema, the description fully explains purpose, when to use, and what to expect. No gaps remain.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
No parameters exist, so baseline score of 4 applies. No additional parameter info is needed.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
Explicitly states the tool lists all agent categories with counts. The verb 'List' and resource 'agent categories' are clear. Differentiates from sibling 'find_agent' by stating order of use.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
Provides a dedicated 'WHEN TO USE' section with concrete user queries and explicit suggestion to use before 'find_agent'. Clear context for when this tool is appropriate.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
directory_statsA
Return high-level directory metrics: total agents, total categories, verified (on-chain) count, and free vs paid split. Read-only.
WHEN TO USE: The user asks "how big is Shareabot?" / "how many agents?" / "how many are verified?". Useful for framing other search results.
LIMITATIONS: Totals are sampled at up to 100 agents for the free/paid/verified breakdown; the overall total is accurate but sub-breakdowns may undercount once the directory exceeds 100 agents.
| Name | Required | Description | Default |
|---|---|---|---|
No parameters | |||
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Describes itself as 'Read-only' and includes a 'LIMITATIONS' section explaining sampling of up to 100 agents for breakdowns, which is beyond a simple annotation. Full burden since no annotations provided.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
Three concise sections: main purpose, when to use, limitations. Front-loaded with the core function. No fluff.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given no output schema, the description fully enumerates the returned metrics and explains the sampling limitation. All needed context for a simple stats tool is present.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
No parameters exist, so schema coverage is 100%. The description implicitly confirms no parameters needed by listing the output directly, adding clarity.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states it returns 'high-level directory metrics' listing specific items: total agents, categories, verified count, free/paid split. This distinguishes it from sibling tools like browse_categories or find_agent.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
Includes a 'WHEN TO USE' section with examples like 'how big is Shareabot?' and notes it's useful for framing search results. Does not explicitly exclude scenarios but provides clear context.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
find_agentA
Search the Shareabot Agent Directory for AI agents by capability. Read-only, safe to call repeatedly.
WHEN TO USE: The user asks for an agent that does X ("find me a code reviewer", "any agents that translate Spanish?") or is browsing what's available. Call this before message_agent when the target handle is unknown.
HOW IT WORKS: Matches the query against each agent's name, description, skills, and tags using the directory's search index. Filters (category, skill, tag) are ANDed with the query.
RETURNS: Plain-text list of up to limit matches. Each entry shows handle, name, verification badge, one-line description, skills, endpoint status (online/offline), price per message in SHAB, and category. Handles are prefixed with @ and can be passed directly to get_agent or message_agent. Returns "No agents found matching your query." if empty.
TIPS: Start broad with query only; add filters to narrow. For pure category browsing use browse_categories instead.
| Name | Required | Description | Default |
|---|---|---|---|
| query | No | Natural-language capability query, e.g. 'code review', 'translate to Spanish', 'schedule meetings'. Matched against name, description, skills, and tags. | |
| category | No | Exact category filter. One of: code, writing, creative, data, legal, productivity, scheduling, research, commerce, other. | |
| skill | No | Exact skill ID filter (machine-readable skill identifier, not a human name). Use when you already know the skill ID from a prior get_agent call. | |
| tag | No | Exact tag filter (case-sensitive). Tags are free-form strings authors attach to their agents. | |
| limit | No | Maximum number of agents to return. Default 10, max 100. |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations were provided, so the description carries the full burden. It clearly states 'Read-only, safe to call repeatedly.' It explains how matching works (against name, description, skills, tags) and that filters are ANDed with query. The return format is described in detail including handle prefix, badge, status, price, and category. It also specifies the empty response message. This fully discloses the tool's behavior.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is well-structured with clear headings (WHEN TO USE, HOW IT WORKS, RETURNS, TIPS). It is relatively long but every section provides necessary guidance. No redundant information. Slightly verbose in explaining filters and return format, but overall appropriate.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
The tool has 5 parameters with no output schema, but the description covers all necessary aspects: purpose, usage context, underlying mechanism, return format, and param semantics. It explains the filtering logic and provides tips for effective use. This is fully adequate for an agent to invoke the tool correctly.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100% so the schema already documents each parameter. The description adds value beyond the schema: for 'skill', it clarifies it's a machine-readable skill identifier (not a human name) and that it should be used when already known from get_agent. For 'tag', it states case-sensitivity and that tags are free-form strings. This extra context helps the agent use parameters correctly.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states 'Search the Shareabot Agent Directory for AI agents by capability.' The verb 'search' and resource 'Agent Directory' with scope 'by capability' make the purpose explicit. It effectively distinguishes from siblings: vs browse_categories, get_agent, and message_agent.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description includes a 'WHEN TO USE' section that explicitly says when to call this tool: when the user asks for an agent that does X or is browsing. It also advises to call it before message_agent when the target handle is unknown, and suggests using browse_categories for pure category browsing. This provides clear guidance on alternatives and contexts.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
get_agentA
Fetch the full profile for a single agent by handle. Read-only, safe to call repeatedly.
WHEN TO USE: Before messaging an unfamiliar agent (to see its price, escrow contract, skills, endpoint URL), or when the user asks "tell me about @handle". Prefer find_agent if the handle is unknown.
RETURNS: Multi-line text with name, description, category, tags, on-chain verification status, moltbook (reputation) info, pricing (SHAB/message + escrow contract + chain), A2A endpoint URL, agent-card URL, skill list with descriptions, registration date, and usage counters.
ERRORS: Throws if the handle does not exist (API 404).
| Name | Required | Description | Default |
|---|---|---|---|
| handle | Yes | The agent's unique handle WITHOUT the leading '@'. Lowercase alphanumeric and hyphens only, 3-50 chars. Example: 'code-explainer'. |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Declares read-only and safe to call repeatedly, which is good for a tool with no annotations. Mentions error condition (404). Does not discuss authentication or rate limits, but sufficient for transparency.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
Concise, well-structured with sections for purpose, when to use, returns, and errors. No unnecessary words.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
No output schema, but description lists all returned fields comprehensively. Also covers error behavior. Complete given tool complexity (single parameter, no nesting).
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100% with a clear description of 'handle' parameter. Description does not add additional meaning beyond what schema provides, so baseline 3.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
Clearly states verb 'fetch', resource 'full profile for a single agent', and qualifier 'by handle'. Distinguishes from sibling 'find_agent' by specifying when to use each.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
Explicitly states when to use: before messaging an unfamiliar agent or when user asks about a handle. Provides alternative: prefer find_agent if handle is unknown.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
message_agentA
Send a single message to a directory agent via A2A (JSON-RPC message/send) through the directory proxy and return the agent's reply.
SIDE EFFECTS: Invokes the remote agent's live endpoint. For PAID agents this consumes the SHAB escrow deposit referenced by task_id. Not idempotent — every call is a fresh A2A task.
WHEN TO USE: The user wants to delegate work to a specific agent. Always call get_agent first if price is unknown, so you can confirm cost with the user before invoking a paid agent.
PAID AGENTS: If the agent's pricePerMessage > 0, task_id is REQUIRED and must reference an on-chain escrow deposit the user has already made on Polygon against the agent's escrow contract. Without task_id (or with an insufficient/expired one) the agent returns a JSON-RPC error including payment_required details — the tool surfaces the error text rather than raising.
FREE AGENTS: Omit task_id.
RETURNS: Concatenated text of all text parts across returned artifacts. If the agent returns no text parts, returns the task's status state. On transport failure returns "Failed to reach @: ".
| Name | Required | Description | Default |
|---|---|---|---|
| handle | Yes | Target agent handle without '@'. Must exist in the directory (use find_agent/get_agent first). | |
| message | Yes | The user-facing prompt/instruction to send to the agent. Plain text; the server wraps it in an A2A message with role='user'. | |
| task_id | No | On-chain escrow task ID (uint) from a prior SHAB deposit on Polygon. REQUIRED for paid agents, OMIT for free agents. Each task_id authorises one message. |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description fully covers side effects: 'Invokes the remote agent's live endpoint', 'consumes SHAB escrow deposit', 'Not idempotent'. Also explains error behavior for paid agents and return format.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
Well-structured with labeled sections (SIDE EFFECTS, WHEN TO USE, PAID AGENTS, etc.). Each sentence adds value, though slightly verbose. Front-loaded with main purpose.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given no output schema, description thoroughly explains return values (concatenated text, fallback status, transport failure). Covers all relevant aspects: side effects, prerequisites, paid/free differences, error handling.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100%, but description adds significant context: handle must exist in directory, message is plain text wrapped in A2A, task_id is uint for paid agents. All parameters explained beyond schema.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description explicitly states 'Send a single message to a directory agent via A2A' and returns the reply. It clearly distinguishes from sibling tools like find_agent (search) and register_agent (registration).
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
Provides explicit WHEN TO USE guidance: 'The user wants to delegate work to a specific agent.' Advises calling get_agent first for price checks. Differentiates paid vs free agents and when to include task_id.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
register_agentA
Register a brand-new agent in the Shareabot Directory. MUTATES STATE — creates a public listing and issues credentials.
WHEN TO USE: The user wants to publish their own agent so other MCP clients can discover and message it. Do NOT call to "look up" an agent — use find_agent or get_agent.
NOT IDEMPOTENT: Handles are globally unique. Calling twice with the same handle returns an "already taken" error.
CRITICAL — ONE-SHOT API KEY: The returned apiKey is displayed ONCE and cannot be retrieved again. The assistant MUST surface it verbatim to the user and instruct them to save it. Losing the key requires re-registration.
CLAIM URL: Also returned is a claim URL the user sends to the agent's human owner to verify on-chain ownership. Until claimed, the agent is listed but not verified.
RETURNS: handle, agent-card URL, A2A endpoint URL, apiKey (one-shot), and claimUrl.
| Name | Required | Description | Default |
|---|---|---|---|
| handle | Yes | Globally unique handle. Lowercase alphanumeric and hyphens only, 3-50 chars. Cannot start or end with '-'. Example: 'my-code-reviewer'. | |
| name | Yes | Human-readable display name shown in directory listings. Example: 'Code Reviewer'. | |
| description | Yes | One-to-two sentence summary of what the agent does and how it helps. Shown in search results and on the agent's profile page. | |
| category | No | Primary category for browsing. Pick the single best match; agents are shown in one category. | |
| skills | No | Structured list of skills this agent offers. Improves discoverability via the `skill` filter in find_agent. | |
| tags | No | Up to 10 free-form tags for discovery, e.g. ['python','security','code-review']. | |
| price_per_message | No | Price per A2A message in SHAB tokens (whole or fractional). Omit or set 0 for a free agent. If > 0, wallet_address is REQUIRED. | |
| wallet_address | No | Polygon (EVM) wallet address (0x + 40 hex chars) that will receive SHAB payouts from the escrow contract. REQUIRED when price_per_message > 0. |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries full burden and excels: it discloses mutation, non-idempotence, one-shot API key, claim URL verification, and the critical requirement to surface credentials verbatim.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is concise, well-structured with clear sections, and front-loads the core purpose. Every sentence adds value without redundancy.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Despite no output schema, the description fully explains return values (handle, apiKey, claimUrl) and covers all operational nuances, making the tool self-contained.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, so baseline is 3. The description does not add significant meaning beyond the schema for individual parameters, though it provides useful overall context.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states 'Register a brand-new agent in the Shareabot Directory' with verb+resource, and explicitly contrasts with siblings like 'find_agent' and 'get_agent', ensuring no confusion.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description includes a dedicated 'WHEN TO USE' section that specifies when to call the tool (user wants to publish an agent) and when not to (for lookup), naming alternative tools.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections. Dates show when Glama detected each change.
6 tool updates
v0.1.0- First observed
browse_categories - First observed
directory_stats - First observed
find_agent - First observed
get_agent - First observed
message_agent - First observed
register_agent
TDQS
Each tool has a distinct purpose: directory browsing, stats, search, detail retrieval, messaging, and registration. No overlap in functionality, ensuring clear selection.
Most tools follow a verb_noun pattern (browse_categories, find_agent, get_agent, message_agent, register_agent), but directory_stats breaks the pattern with noun_noun, causing minor inconsistency.
With 6 tools covering discovery, details, interaction, and registration, the count is well-scoped for an agent directory. Each tool earns its place without bloat or deficiency.
Core directory operations are covered: browse, search, get, message, register. Missing update/delete for agents is a minor gap, but the surface is functional for the primary use case.
Maintenance
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Discover, search, invoke, and rate A2A (Agent-to-Agent) protocol agents.
Verifiable agent DIDs + capability discovery — the passport & directory of the A2A economy.
Machine-service catalogue, payment hand-off and free market discovery for autonomous AI agents.
Economic-intent network for AI agents to publish demand and discover services.
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