MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

Evidence for your next connection.

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

Read-only probes

MCP server · File & docs

CloudSign MCP by usefulapi

By usefulapi.io Verified namespace

Create, send and track e-signature documents with their files and recipients in CloudSign.

WebsiteSource code
Connect to CloudSign MCP by usefulapi
Checks passed
14 / 22

0 failed · 8 not measured

Median response
679 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
9

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Outdated check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?
400
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 679 ms.

  • Pass
    Valid handshake

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

  • Pass
    Lists tools

    tools/list returned 9 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 679 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 679 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

    27 of 27 parameters have a description (100%). The bar is 80%.

  • Pass
    Safety hints

    Every tool sets readOnlyHint or 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 2026-11-10T23:35:16.954331Z, within 180 days.

  • Not measured
    Open-source licence

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

Start using CloudSign 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 cloudsign-mcp-by-usefulapi https://cloudsign.usefulapi.io/mcp

Capabilities

Tools 9

cloudsign_add_file

Upload a file (usually PDF) to a document. Send the file bytes base64-encoded in content_base64, up to about 10 MB. Wait 2-10 seconds before the next call on the same document. POST /documents/{documentID}/files.

Discovered
cloudsign_add_participant

Add a recipient to a document. Wait 2-10 seconds before the next call on the same document. POST /documents/{documentID}/participants.

Discovered
cloudsign_create_document

Create a new draft document. Then add files and participants, and send it with cloudsign_send_document. POST /documents.

Discovered
cloudsign_delete_draft

Delete a draft document. Only drafts can be deleted; sent documents cannot. DELETE /documents/{documentID}.

Discovered
cloudsign_get_document

Get one document with its status, files and participants. GET /documents/{documentID}.

Discovered
cloudsign_list_cabinets

List the cabinets (folders) of the team. GET /cabinets.

Discovered
cloudsign_list_documents

List the team's documents with their status: 0 draft, 1 waiting for recipients, 2 concluded, 3 cancelled or declined, 4 template. Paged, 100 per page. GET /documents.

Discovered
cloudsign_send_document

Send a draft document to its recipients, or send a reminder for a document that was already sent. Recipients get an email at once, and this cannot be undone. POST /documents/{documentID}.

Discovered
cloudsign_update_document

Change the title, note, message or transfer setting of a document. PUT /documents/{documentID}.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected679 ms9

Related servers

All alternatives

Same function and industry, ranked by checks passed then median latency.

Explore alternatives to CloudSign MCP by usefulapi