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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "zsign": {
      "type": "http",
      "url": "https://zsign.io/mcp",
      "headers": {
        "Authorization": "Bearer ${ZSIGN_TOKEN}"
      }
    }
  }
}

claude mcp add --transport http zsign https://zsign.io/mcp --header "Authorization: Bearer ${ZSIGN_TOKEN}"

[mcp_servers.zsign]
url = "https://zsign.io/mcp"
bearer_token_env_var = "ZSIGN_TOKEN"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "zsign": {
      "type": "remote",
      "url": "https://zsign.io/mcp",
      "enabled": true,
      "headers": {
        "Authorization": "Bearer {env:ZSIGN_TOKEN}"
      }
    }
  }
}

{
  "mcpServers": {
    "zsign": {
      "type": "http",
      "url": "https://zsign.io/mcp",
      "headers": {
        "Authorization": "Bearer ${ZSIGN_TOKEN}"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=zsign&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8venNpZ24uaW8vbWNwIiwiaGVhZGVycyI6eyJBdXRob3JpemF0aW9uIjoiQmVhcmVyICR7WlNJR05fVE9LRU59In19"
}

{
  "servers": {
    "zsign": {
      "type": "http",
      "url": "https://zsign.io/mcp",
      "headers": {
        "Authorization": "Bearer ${ZSIGN_TOKEN}"
      }
    }
  }
}

{
  "mcpServers": {
    "zsign": {
      "httpUrl": "https://zsign.io/mcp",
      "headers": {
        "Authorization": "Bearer ${ZSIGN_TOKEN}"
      }
    }
  }
}

extensions:
  "zsign":
    enabled: true
    name: "zsign"
    type: streamable_http
    uri: "https://zsign.io/mcp"
    headers:
      "Authorization": "Bearer ${ZSIGN_TOKEN}"
    timeout: 300

Placeholders to fill from your own secret store: ${ZSIGN_TOKEN}. The registry never accepts secret values.

Quality 83 / 100good

protocoln/a · weight 25

n/a
protocol.modern, protocol.stateless, protocol.transport, protocol.list_ttlno remote answered a protocol handshake (not probed yet, unreachable, or local-only)

authorization83 · weight 15

pass
auth.prmProtected Resource Metadata (RFC 9728) published
pass
auth.as_metadataauthorization server metadata reachable
warn
auth.cimdonly Dynamic Client Registration, deprecated in 2026-07-28 in favour of CIMD
n/a
auth.secret_in_urlno templated URL

tool hygienen/a · weight 30

n/a
tools.descriptions, tools.description_length, tools.schemas, tools.annotations, tools.directory_hints, tools.token_cost, tools.api_dumptool list unknown (behind auth, not probed, or empty)

stabilityn/a · weight 15

n/a
stability.changes, stability.rug_pulltool list unknown

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

Tool list unknown · checked 2026-10-20 17:02 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 79 / 100

no-repository

provenance55

liveness99

freshness85

hygiene80

+dns-namespace +website +reachable +uptime-97% ~updated-68d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://zsign.io/mcp` streamable-http	oauth2 AS: https://zsign.io	yes	97%	704 ms	–	2026-10-20

Tools (0)

No tools observed. Tools appear once a credential-free probe can list them.

Schemas: list_tools.

Similar MCP servers

Official server.json

{
  "name": "io.zsign/zsign",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json",
  "remotes": [
    {
      "url": "https://zsign.io/mcp",
      "type": "streamable-http",
      "headers": [
        {
          "name": "Authorization",
          "isSecret": true,
          "description": "Optional. This server is an OAuth 2.1 protected resource: clients should prefer OAuth, discovered automatically via /.well-known/oauth-protected-resource/mcp and /.well-known/oauth-authorization-server (authorization code + PKCE S256, Dynamic Client Registration at /oauth/register, refresh tokens, scopes: account:read, credits:read, credits:purchase, envelopes:send, envelopes:read). As an alternative, set this header to a static 'Bearer zs_live_...' API key. Neither is needed for discovery: create_account and get_pricing work unauthenticated, and create_account returns a key."
        }
      ]
    }
  ],
  "version": "1.0.2",
  "websiteUrl": "https://zsign.io",
  "description": "E-signature API for AI agents: send contracts, sign PDF documents, track and download signed files."
}