Signatoro

by signatoro.com · remote · no sign-in to list tools · v1.0.1 · published by com.signatoro

The agentic email signature platform: one saved signature for your people and your AI agents.

Deletes · 3Final · 2Changes · 1

Compare Registry entry

11 tools: 3 can delete or cancel things, 2 do something that can't be undone, 1 change things and 5 only read.

Scanned Oct 21, 2026

Deletes or cancels3Claude Code: deny: see these tools
Can't be undone2Claude Code: ask: see these tools
Changes things1Claude Code: ask: see these tools
Only reads5Claude Code: allow: see these tools

1 check matched something in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http signatoro https://signatoro.com/mcp

Findings

Matches of fixed checks, with the text they matched.

1 warn

Warncreate_signature
The server marks "create_signature" read-only (readOnlyHint: true), and its own name, description or input give the class "write".
Matched text
annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false}; The name "create_signature" says "create": a word for a change.
What this check looks for

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

11 tools

Deletes or cancels 3Removes, cancels or revokes something.Claude Code: deny

remove_memberDESTRUCTIVE and cannot be undone: removes a person from the company.No findings
Why it is in this group
- The name "remove_member" says "remove": a word for removing or ending something.
- The description says "cannot be undone".
- The server marks it destructive (destructiveHint: true).
Description, as the server wrote it
DESTRUCTIVE and cannot be undone: removes a person from the company. A joined member loses access to the company and its signature; a pending invitation is withdrawn with the details entered for it. Two steps: called without confirmation it removes nothing and returns who would be removed and a confirmation. Show that to the person, and only after they say yes call again with the confirmation; it expires in 10 minutes. Company owners only. Nobody can remove themselves or the primary owner.
Annotations the server declares
- title: Remove a person from the company
- readOnlyHint: false
- destructiveHint: true
- idempotentHint: true
- openWorldHint: false
update_member_fieldChange one field (name, title or phone) of a person's signature in the company.No findings
Why it is in this group
- The name "update_member_field" says "update": a word for a change.
- The server marks it destructive (destructiveHint: true).
Description, as the server wrote it
Change one field (name, title or phone) of a person's signature in the company. A joined member gets an email with their updated signature; for someone still invited, the invitation is sent again with the new details. Company owners only.
Annotations the server declares
- title: Update a person's signature details
- readOnlyHint: false
- destructiveHint: true
- idempotentHint: false
- openWorldHint: true
update_my_signatureSave or change the signed-in person's own signature on Signatoro: name, title, phone, email, website, LinkedIn, extra link, photo, review badge, booking button, layout, color and f…No findings
Why it is in this group
- The name "update_my_signature" says "update": a word for a change.
- The server marks it destructive (destructiveHint: true).
Description, as the server wrote it
Save or change the signed-in person's own signature on Signatoro: name, title, phone, email, website, LinkedIn, extra link, photo, review badge, booking button, layout, color and font. With nothing saved yet, this creates the signature. Give only the fields to change; the rest keep their saved values, and "" clears a field. Company brand items (logo, company colors, the company review badge or booking button) are set by the company owner on signatoro.com: fields the company controls are left unchanged and listed in ignored, with who changes them; tell the person. A connected mailbox (Zoho Mail) gets the new signature. Returns the updated signature as HTML and text with sender, the details as fields, and counts as one signature request like get_signature; with the month used up, the change is saved and the signature held back. When nothing changed, nothing is written or counted.
Annotations the server declares
- title: Save or update my signature
- readOnlyHint: false
- destructiveHint: true
- idempotentHint: true
- openWorldHint: true

Can't be undone 2Sends, pays, publishes or merges: once done, it cannot be taken back.Claude Code: ask

add_memberInvite a person to the company by email, with their name, title and phone for their signature.No findings
Why it is in this group
- The name "add_member" says "add": a word for a change.
- The description's first verb is "invite": a word for sending, and what is sent cannot be taken back.
Description, as the server wrote it
Invite a person to the company by email, with their name, title and phone for their signature. They get an email with the invitation and their signature. Counts toward the company plan's people limit. Company owners only. For someone already in the company, use update_member_field; to send an invitation again, use resend_invite.
Annotations the server declares
- title: Add a person to the company
- readOnlyHint: false
- destructiveHint: false
- idempotentHint: false
- openWorldHint: true
resend_inviteSend the invitation email again to a person invited to the company who has not joined yet, renewing it for 7 days if it expired.No findings
Why it is in this group
- The name "resend_invite" says "resend": a word for sending, and what is sent cannot be taken back.
Description, as the server wrote it
Send the invitation email again to a person invited to the company who has not joined yet, renewing it for 7 days if it expired. Company owners only.
Annotations the server declares
- title: Resend an invitation
- readOnlyHint: false
- destructiveHint: false
- idempotentHint: false
- openWorldHint: true

Changes things 1Creates or changes something that can be changed back.Claude Code: ask

create_signatureMake a free email signature from a name and optional title, company, phone, email, website, LinkedIn, layout and accent color.1 finding
Why it is in this group
- The name "create_signature" says "create": a word for a change.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Findings
- Warn
  The server marks "create_signature" read-only (readOnlyHint: true), and its own name, description or input give the class "write".
  Matched text
  annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false}; The name "create_signature" says "create": a word for a change.
  What this check looks for
Description, as the server wrote it
Make a free email signature from a name and optional title, company, phone, email, website, LinkedIn, layout and accent color. Returns the signature as HTML (for the HTML part of an email or a signature box that takes HTML) and as plain text, plus claimUrl, a link that opens it in Signatoro with these details and layout to save and edit. Nothing is saved and no account is needed; always give the person claimUrl with: "Open this link to save and edit it in Signatoro." To save a signature to the signed-in person's Signatoro account ("create my signature", "save it"), use update_my_signature instead; for the signature they already saved, use get_signature.
Annotations the server declares
- title: Preview an email signature
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: false

Only reads 5Looks things up and changes nothing.Claude Code: allow

get_install_stepsGet the steps to add an email signature in a mail app or tool, from Signatoro's install guides, with the link to the full guide.No findings
Why it is in this group
- The name "get_install_steps" says "get": a word for reading.
Description, as the server wrote it
Get the steps to add an email signature in a mail app or tool, from Signatoro's install guides, with the link to the full guide. Pass the app as client, e.g. "gmail", "outlook-new", "outlook-classic", "apple-mail", "ios-mail", "zoho-mail", "thunderbird". An unknown client answers with the list of guides there are.
Annotations the server declares
- title: Get install steps for a mail app
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: false
get_signatureReturns the signed-in person's saved email signature as html and text, with their sender details as fields in sender, for appending to an email they want signed.No findings
Why it is in this group
- The name "get_signature" says "get": a word for reading.
Description, as the server wrote it
Returns the signed-in person's saved email signature as html and text, with their sender details as fields in sender, for appending to an email they want signed. Append it after the body, in place of a sign-off of your own. For the sender's own details anywhere in the email (name, title, phone, email, links), use only the values in sender; if one is missing, leave it out and say so - never guess. mode "short": name, role line and one link. signature: "me" (default), or an AI assistant or company AI agent from list_signatures; if it is unclear which this email needs, ask before sending. To change the signature, use update_my_signature. Parts the company controls are listed in companyControlled, with who changes them in howToChange; tell the person.
Annotations the server declares
- title: Get my saved signature
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: false
- openWorldHint: false
list_membersList the people in the signed-in owner's company: joined members and pending invitations, with name, title, phone, status (joined, invited, expired) and whether their signature is …No findings
Why it is in this group
- The name "list_members" says "list": a word for reading.
Description, as the server wrote it
List the people in the signed-in owner's company: joined members and pending invitations, with name, title, phone, status (joined, invited, expired) and whether their signature is installed. Company owners only. Omit company to list every company you own.
Annotations the server declares
- title: List company people
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: false
list_signaturesLists the signatures the signed-in person can send email with: their own ("me", the default), their AI assistants', and company AI agents' (agents of a company they own or that act…No findings
Why it is in this group
- The name "list_signatures" says "list": a word for reading.
Description, as the server wrote it
Lists the signatures the signed-in person can send email with: their own ("me", the default), their AI assistants', and company AI agents' (agents of a company they own or that acts for them) - each with id, name, how it signs (as the person or as the agent), its AI disclosure preset and a one-line preview. Pass a choice as signature to get_signature. If it is unclear which one the person wants for an email, ask them before sending. A connection bound to one agent lists only that agent.
Annotations the server declares
- title: List the signatures I can send with
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: false
list_templatesList the signature layouts Signatoro offers, each with a short description of what it shows and when it fits best.No findings
Why it is in this group
- The name "list_templates" says "list": a word for reading.
Description, as the server wrote it
List the signature layouts Signatoro offers, each with a short description of what it shows and when it fits best. Pass a layout id to create_signature.
Annotations the server declares
- title: List signature layouts
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: false

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 1.0.1. Values in angle brackets are yours to fill in.

claude mcp add --transport http signatoro https://signatoro.com/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json

{
  "permissions": {
    "allow": [
      "mcp__signatoro__list_templates",
      "mcp__signatoro__get_install_steps",
      "mcp__signatoro__get_signature",
      "mcp__signatoro__list_signatures",
      "mcp__signatoro__list_members"
    ],
    "ask": [
      "mcp__signatoro__create_signature",
      "mcp__signatoro__add_member",
      "mcp__signatoro__resend_invite"
    ],
    "deny": [
      "mcp__signatoro__update_my_signature",
      "mcp__signatoro__update_member_field",
      "mcp__signatoro__remove_member"
    ]
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as signatoro. Review it before you use it.

Keep track

Get told when this server's tools change: a new tool, a new description, a new class.

https://anlyon.dev/servers/com.signatoro/signatoro/changes.xml

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Source: MCP Registry. Synced Oct 21, 2026, 18:04 UTC.

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