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Read-only probes

MCP server · Data access / search

Mailshake MCP by usefulapi

By usefulapi.io Verified namespace

Read campaigns, replies and leads; pause or resume campaigns; close or reopen leads in Mailshake.

WebsiteSource codeCommerce & marketing
Connect to Mailshake MCP by usefulapi
Checks passed
13 / 22

1 failed · 8 not measured

Median response
54 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
20

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Outdated check

Last connection measurement is over 24 hours old. Current availability is unknown.

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?
402

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 54 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name mailshake-mcp.

  • Pass
    Lists tools

    tools/list returned 20 tools.

  • Pass
    Current protocol

    Negotiated 2025-11-25. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 54 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 54 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

    72 of 72 parameters have a description (100%). The bar is 80%.

  • Fail
    Safety hints

    7 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.

  • Pass
    Source repo linked

    A 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 2026-11-10T23:35:00.155892Z, within 180 days.

  • Not measured
    Open-source licence

    The GitHub licence lookup has not returned an OSI result yet.

Start using Mailshake MCP by usefulapi

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 mailshake-mcp-by-usefulapi https://mailshake.usefulapi.io/mcp

Capabilities

Tools 20

mailshake_close_lead

Mark a lead as won (status closed, the default) or as lost (status lost). Mailshake: POST /leads/close.

Discovered
mailshake_get_account

Show the signed-in Mailshake user and team. Also the cheapest call to check the API key. Mailshake: POST /me.

Discovered
mailshake_get_campaign

Get one campaign and its message sequence. Mailshake: POST /campaigns/get.

Discovered
mailshake_ignore_lead

Mark a lead as not worth pursuing (ignored). Undo with mailshake_reopen_lead. Mailshake: POST /leads/ignore.

Discovered
mailshake_list_campaigns

List the team's campaigns with their IDs and status. Start here to find a campaignID. Costs 10 quota units per call. Mailshake: POST /campaigns/list.

Discovered
mailshake_list_clicks

List the most recent clicks on tracked links. Costs 3 quota units per call. Mailshake: POST /activity/clicks.

Discovered
mailshake_list_created_leads

List the most recently created leads (from Lead Catcher rules or manual conversions). Costs 5 quota units per call. Mailshake: POST /activity/created-leads.

Discovered
mailshake_list_lead_status_changes

List the most recently updated leads (opened, won, lost or ignored). Costs 5 quota units per call. Mailshake: POST /activity/lead-status-changes.

Discovered
mailshake_list_leads

List the team's leads: recipients who may be interested. Filter by campaign, status (for example open) or the teammate the lead is assigned to. Costs 1 quota unit per call. Mailshake: POST /leads/list.

Discovered
mailshake_list_opens

List the most recent email opens. Costs 2 quota units per call. Mailshake: POST /activity/opens.

Discovered
mailshake_list_recipients

List the recipients of one campaign. Filter by state (for example opened, clicked, replied, wasSent, bounced, paused, hasProblems); set negateAction to exclude that state. Costs 10 quota units per call. Mailshake: POST /recipients/list.

Discovered
mailshake_list_replies

List the most recent replies, with the reply text as plain text. Use replyType reply for real answers; bounce, out-of-office, unsubscribe and delay-notification are the other kinds. Costs 10 quota units per call. Mailshake: POST /activity/replies.

Discovered
mailshake_list_senders

List the sender accounts (the mailboxes that send campaign emails). Mailshake: POST /senders/list.

Discovered
mailshake_list_sent_messages

List the most recent emails sent, with the recipient and the message text as plain text. Costs 1 quota unit per call. Mailshake: POST /activity/sent.

Discovered
mailshake_list_team_members

List the users on the team, for assigning leads. Mailshake: POST /team/list-members.

Discovered
mailshake_pause_campaign

Stop all sending for a campaign now. Emails already in a batch are not stopped. Undo with mailshake_unpause_campaign. Mailshake: POST /campaigns/pause.

Discovered
mailshake_pause_recipient

Stop all sending to one recipient in a campaign. Undo with mailshake_unpause_recipient. Mailshake: POST /recipients/pause.

Discovered
mailshake_reopen_lead

Make a closed or ignored lead open again for review. Mailshake: POST /leads/reopen.

Discovered
mailshake_unpause_campaign

Resume sending for a paused campaign. The sending calendar reschedules its pending emails. Mailshake: POST /campaigns/unpause.

Discovered
mailshake_unpause_recipient

Resume sending to one paused recipient in a campaign. Mailshake: POST /recipients/unpause.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected54 ms20

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