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For AI agents — MCPBundles Directory API
Recommended: Directory API v1 over HTTP for detail and anonymous invoke when eligible (not MCP JSON-RPC on the publisher URL; no user MCPBundles credentials on v1).
GET https://www.mcpbundles.com/api/directory/v1/servers/agentfield-mcp-1528e78874
GET https://www.mcpbundles.com/api/directory/v1/servers/agentfield-mcp-1528e78874?live=1 (optional live refresh)
GET https://www.mcpbundles.com/api/directory/v1/servers/agentfield-mcp-1528e78874/tools/<tool> (one tool: schema + invoke.url)
POST https://www.mcpbundles.com/api/directory/v1/servers/agentfield-mcp-1528e78874/tools/{tool}
POST body: flat JSON of tool argument names and values; not an arguments wrapper. Replace {tool} with a tool name from GET detail.
Restricted agent shell (ChatGPT Codex desktop, some IDE sandboxes):
Default command sandboxes often block outbound network. curl exit 6 or "Could not resolve host" for www.mcpbundles.com is usually sandbox DNS — not evidence this site is down.
Retry the same Directory API GET with sandbox_permissions "require_escalated" and a one-sentence justification on the shell tool (Codex on-request approval). Do not tell the user the site is unreachable from sandbox curl alone.
Example justification: Run the public MCPBundles Directory API search outside the command sandbox to complete the user's MCP server lookup.
If the agent has browser access (e.g. Codex @Browser): open https://www.mcpbundles.com/?q=<query> or stay on this page — no shell network needed. Use WebMCP search_mcp_servers then get_mcp_server (document.modelContext / page tools; refresh with fetchTools or getTools if a tool id is missing from the snapshot). Read-only directory search; same index as Directory API v1 GETs. Neither WebMCP nor Directory API v1 uses user MCPBundles credentials.
Without a browser: after escalated curl fails, use GET https://www.mcpbundles.com/?q=<query> with Accept: text/markdown for ranked results.
Hub MCP (connected session): discover_mcp_servers — same filter semantics as search_mcp_servers.
Contract: https://www.mcpbundles.com/agents.md
OpenAPI: https://www.mcpbundles.com/api/directory/v1/openapi.json
Guide: https://www.mcpbundles.com/guides/mcpbundles-directory-api
For MCP client apps (human connect):
MCP connect URL: https://agentfield.org/api/mcp
Skill page: https://www.mcpbundles.com/skills/agentfield-mcp-1528e78874
Explore capabilities (40)
read 4
write 3
other 18
Showing 25 of 40
Showing 25 of 40 tools from the public preview. Connect the server to inspect the full live tool list.
Fetch2
Hard Delete2
List2
Other capabilities19
Health Check
other
health_check
Return basic readiness information for the Agent Mail server.
Health Check — Return basic readiness information for the Agent Mail server.
Ensure Project — Idempotently create or ensure a project exists for the given human key.
When to use
-----------
- First call in a workflow targeting a new repo/path identifier.
- As a guard before registering agents or sending messages.
How it works
------------
- Validates that `human_key` is an absolute directory path (the agent's working directory).
- Computes a stable slug from `human_key` (lowercased, safe characters) so
multiple agents can refer to the same project consistently.
- Ensures DB row exist
Register Agent — Create or update an agent identity within a project and persist its profile to Git.
When to use
-----------
- At the start of a coding session by any automated agent.
- To update an existing agent's program/model/task metadata and bump last_active.
Semantics
---------
- If `name` is omitted, a random adjective+noun name is auto-generated.
- Reusing the same `name` updates the profile (program/model/task) and
refreshes `last_active_ts`.
- A `profile.json` file is written under `agents/<Name>/
Deregister Agent — Remove an agent from a project. Marks the agent as inactive and removes it from the active roster. Messages from/to the agent are preserved for audit but the agent can no longer send or receive new messages.
Retire Agent — Soft-delete an agent: mark it as retired so it stops accepting new messages while preserving message history. Retired agents are hidden from active agent lists but visible in 'all agents' views.
Unretire Agent — Restore a retired agent back to active status. The agent will resume accepting new messages.
Archive Project — Soft-delete a project: mark it as archived so it is hidden from active project lists. All messages are preserved and the project can be restored with unarchive_project.
Unarchive Project
Get your MCP into directories
A working endpoint is step one. Directory coverage is the coordinated launch across ChatGPT, Claude, Cursor, the MCP Registry, and community indexes.
Unified Inbox is an MCP server at agentfield.org. MCPBundles discovered 40 tools on the live endpoint.
How do I connect Unified Inbox to my AI agent?
Use the MCP endpoint listed on this page in your MCP client configuration. One-click install pills support Claude, Cursor, VS Code, and other hosts. Copy the remote MCP URL if your client needs a manual entry.
How many tools does Unified Inbox provide?
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— Restore an archived project back to active status.
Hard Delete Agent — IRREVERSIBLY delete an agent and ALL associated data: messages sent by the agent, message recipient records, file reservations, agent links, window identities, and on-disk archive files (inbox, outbox, attachments). This is NOT soft-delete — data is permanently destroyed and cannot be recovered. Requires the confirmation parameter to be exactly 'I UNDERSTAND'.
Hard Delete Project — IRREVERSIBLY delete a project and ALL associated data: every agent, message, message recipient, file reservation, agent link, window identity, message summary, sibling suggestion, product link, and the entire on-disk project archive directory. This is NOT soft-delete — data is permanently destroyed and cannot be recovered. Requires the confirmation parameter to be exactly 'I UNDERSTAND'.
Whois — Return enriched profile details for an agent, optionally including recent archive commits.
Discovery
---------
To discover available agent names, use: resource://agents/{project_key}
Agent names are NOT the same as program names or user names.
Parameters
----------
project_key : str
Project slug or human key.
agent_name : str
Agent name to look up (use resource://agents/{project_key} to discover names).
include_recent_commits : bool
If true, include latest commits touching the proj
Create Agent Identity — Create a new, unique agent identity and persist its profile to Git.
How this differs from `register_agent`
--------------------------------------
- Always creates a new identity with a fresh unique name (never updates an existing one).
- `name_hint`, if provided, MUST be a valid adjective+noun combination and must be available,
otherwise an error is raised. Without a hint, a random adjective+noun name is generated.
CRITICAL: Agent Naming Rules
-----------------------------
- Agent names MUST
List Window Identities — List active window identities for a project.
Returns all non-expired window identities with their display names,
last activity timestamps, and age.
Parameters
----------
project_key : str
Project identifier.
Returns
-------
dict
{ identities: [{ id, window_uuid, display_name, created_ts, last_active_ts, expires_ts }] }
Rename Window — Update the display name of a window identity.
Parameters
----------
project_key : str
Project identifier.
window_uuid : str
The UUID of the window identity to rename.
new_display_name : str
New display name (must be a valid adjective+noun agent name).
Returns
-------
dict
Updated window identity record.
Expire Window — Mark a window identity as expired.
Parameters
----------
project_key : str
Project identifier.
window_uuid : str
The UUID of the window identity to expire.
Returns
-------
dict
{ window_uuid, expired: bool, expired_at }
Send Message — Send a Markdown message to one or more recipients and persist canonical and mailbox copies to Git.
Discovery
---------
To discover available agent names for recipients, use: resource://agents/{project_key}
Agent names are NOT the same as program names or user names.
What this does
--------------
- Stores message (and recipients) in the database; updates sender's activity
- Writes a canonical `.md` under `messages/YYYY/MM/`
- Writes sender outbox and per-recipient inbox copies
- Optionally conv
Purge Old Messages — Delete messages older than the configured retention period. Defaults to retention_max_age_days from config (180 days). Returns count of messages purged.
Reply Message — Reply to an existing message, preserving or establishing a thread.
Behavior
--------
- Inherits original `importance` and `ack_required` flags
- `thread_id` is taken from the original message if present; otherwise, the original id is used
- Subject is prefixed with `subject_prefix` if not already present
- Defaults `to` to the original sender if not explicitly provided
Parameters
----------
project_key : str
Project identifier.
message_id : int
The id of the message you are replying to
Request Contact — Request contact approval to message another agent.
Creates (or refreshes) a pending AgentLink and sends a small ack_required intro message.
Discovery
---------
To discover available agent names, use: resource://agents/{project_key}
Agent names are NOT the same as program names or user names.
Parameters
----------
project_key : str
Project slug or human key.
from_agent : str
Your agent name (must be registered in the project).
to_agent : str
Target agent name (use resource://agents
Respond Contact — Approve or deny a contact request.
List Contacts — List contact links for an agent in a project.
Set Contact Policy — Set contact policy for an agent: open | auto | contacts_only | block_all.
Fetch Inbox — Retrieve recent messages for an agent without mutating read/ack state.
Filters
-------
- `urgent_only`: only messages with importance in {high, urgent}
- `since_ts`: ISO-8601 timestamp string; messages strictly newer than this are returned
- `limit`: max number of messages (default 20)
- `include_bodies`: include full Markdown bodies in the payloads
- `topic`: filter to messages with this topic tag
Usage patterns
--------------
- Poll after each editing step in an agent loop to pick up coordin
Fetch Topic — Fetch all messages in a project with a given topic tag, regardless of recipient.
Parameters
----------
project_key : str
Project identifier.
topic_name : str
The topic tag to filter by (case-insensitive).
limit : int
Max number of messages to return (default 50).
include_bodies : bool
Include full Markdown bodies in the payloads (default true).
since_ts : Optional[str]
ISO-8601 timestamp; only messages newer than this are returned.
Returns
-------
list[dict]
Each messag
Mark Message Read — Mark a specific message as read for the given agent.
Notes
-----
- Read receipts are per-recipient; this only affects the specified agent.
- This does not send an acknowledgement; use `acknowledge_message` for that.
- Safe to call multiple times; later calls return the original timestamp.
Idempotency
-----------
- If `mark_message_read` has already been called earlier for the same (agent, message),
the original timestamp is returned and no error is raised.
Returns
-------
dict
{ message
Showing the first 25 tools — full list and schemas: Directory API.
MCPBundles probed 40 tools on the live server. The tool list on this page reflects what was discovered at the last refresh — connect your client to see the full set available to your session.
What authentication does Unified Inbox require?
No provider sign-in was required during MCPBundles' probe. Your client may still need MCPBundles credentials depending on how you connect.
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