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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · Communication & messaging

com.machineinbox/machine-inbox

By machineinbox.com Verified namespace

Task-scoped email inboxes for AI agents: read mail, extract verification codes, and reply.

WebsiteAI models & agentsProductivity & docs
Connect to com.machineinbox/machine-inbox
Checks passed
12 / 22

2 failed · 8 not measured

Median response
254 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
11

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Responded

The server completed its last measured handshake. This is an observation, not a guarantee.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
500
Reliability & speedDoes it respond consistently and quickly?
004
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
310
Publisher identityCan the publisher be traced to its source?
312

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 254 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-06-18, serverInfo.name machine-inbox.

  • Pass
    Lists tools

    tools/list returned 11 tools.

  • Pass
    Current protocol

    Negotiated 2025-06-18. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 254 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 254 ms over 1 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    1 of 1 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Not measured
    Stable tool list

    Fewer than two successful probes in 30 days, so tool-list stability is not measured.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Pass
    Parameters documented

    24 of 28 parameters have a description (86%). The bar is 80%.

  • Fail
    Safety hints

    11 tools set neither readOnlyHint nor destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Pass
    Website matches publisher

    The website host matches the reverse-domain namespace.

  • Fail
    Source repo linked

    No repository URL is on file.

  • Not measured
    Repo owner matches

    This namespace is not an io.github login, so the owner comparison does not apply.

  • Pass
    Recently updated

    Updated 2026-08-18T16:08:43.139368Z, within 180 days.

  • Not measured
    Open-source licence

    No GitHub repository to ask about a licence.

Start using com.machineinbox/machine-inbox

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

claude mcp add --transport http com-machineinbox-machine-inbox https://machineinbox.com/mcp

Capabilities

Tools 11

create_inbox

Request a new paid inbox. Buying requires an out-of-band payment (Stripe MPP or x402 USDC on Base); this tool returns the live HTTP 402 payment challenge plus exact instructions to complete the purchase. Standard inbox: $2.00.

Discovered
delete_inbox

Delete an inbox: revokes the token and erases stored mail.

Discovered
delete_webhook

Remove the inbox webhook.

Discovered
get_inbox

Read an inbox: address, status, expiry, limits, and usage.

Discovered
get_message

Fetch one message with parsed text, HTML, and attachment download URLs.

Discovered
get_service_info

Read the Machine Inbox service instructions: pricing, payment rails, endpoints, and limits.

Discovered
get_verification_code

Extract the newest one-time verification code or confirmation link from inbound mail. Ideal for signup and login flows.

Discovered
get_webhook

Read the inbox webhook state: URL, delivery counters, and whether it is disabled. The secret is only returned by set_webhook.

Discovered
list_messages

List messages in an inbox, newest first. Pass after=<newest createdAt seen> to poll for only new mail.

Discovered
reply_to_message

Send an included plain-text reply to the authenticated sender of an inbound message.

Discovered
set_webhook

Register or replace the inbox webhook: an HMAC-signed POST fires on every inbound message with metadata, extracted verification codes, and injection risk (never the body). Returns the signing secret.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected254 ms11

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