Courier

REMOTE · MCP.COURIER.COM · SCANNED AUG 3

Send notifications, manage templates, and configure integrations with Courier.

Available components

+4 this week 69 69 Trust /100

Trust breakdown (6 categories)

How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score →

Endpoint Security63

The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
Authorisation check failed: no authorisation is required to call this server, and it exposes a tool marked destructive (delete_audience). See how to fix → View diagnostics → Fail
HTTPS is enforced; there's no plaintext access path. View diagnostics → Pass
The HSTS (Strict-Transport-Security) header is present. View diagnostics → Pass
DNSSEC check failed: this domain isn't protected by DNSSEC. See how to fix → View diagnostics → Fail

Transport & Reachability100

Verified streamable-http transport via a live MCP handshake. View diagnostics → Pass

Schema Quality & AI Usability73

AI-judged instruction clarity (good).Pass
Tool/resource definitions use about 10121 tokens (~70/item across 144 items; 144 tools + 0 resources), lean.Pass
Usage-examples check failed: none of the tools include examples. See how to fix → Fail

Stability & Change Management27

Stability observed for 8 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial

Tool Coverage100

100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
99% of tool parameters carry a description.Partial

Capabilities100

Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass

Install

Add this component to your MCP client. Where a client-specific snippet is available, pick your client below and copy it straight into your config; otherwise use the connection detail shown.

remote · mcp.courier.com

Claude Codex opencode OpenClaw Hermes Other

# add to Claude Code

claude mcp add --transport http trycourier-courier https://mcp.courier.com/

# ~/.codex/config.toml

[mcp_servers.trycourier-courier]
url = "https://mcp.courier.com/"

// opencode.json

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "trycourier-courier": {
      "type": "remote",
      "url": "https://mcp.courier.com/",
      "enabled": true
    }
  }
}

# add to OpenClaw

openclaw mcp add trycourier-courier --url https://mcp.courier.com/ --transport streamable-http

# ~/.hermes/config.yaml

mcp_servers:
  trycourier-courier:
    url: "https://mcp.courier.com/"

// mcp.json

{
  "mcpServers": {
    "trycourier-courier": {
      "type": "http",
      "url": "https://mcp.courier.com/"
    }
  }
}

The mcpServers block is a cross-client convention. Remote transports vary, so check your client's docs.

Changelog

Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.

3 Aug 26 +1

No change was recorded against any check on this day. Stability & Change Management went from 23 to 27. That category is still filling its 30-day observation window: 7 days of observed history at the previous scan, 8 at this one. The score rises as the window fills, whether or not the server changes.
1 Aug 26 +1

No change was recorded against any check on this day. Stability & Change Management went from 17 to 20. That category is still filling its 30-day observation window: 5 days of observed history at the previous scan, 6 at this one. The score rises as the window fills, whether or not the server changes.
31 Jul 26 0
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
30 Jul 26 +1
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
29 Jul 26 +1

No change was recorded against any check on this day. Stability & Change Management went from 7 to 10. That category is still filling its 30-day observation window: 2 days of observed history at the previous scan, 3 at this one. The score rises as the window fills, whether or not the server changes.
27 Jul 26 +1
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
26 Jul 26 64

First indexed and scored.

Show 6 earlier entries Hide earlier entries

Diagnostics

Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.

Captured 3 Aug 2026 · Probed https://mcp.courier.com

TLS valid

Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .

Subject	Issuer	Valid from	Valid until	Key	Signature	Serial
CN=mcp.courier.com	CN=WE1,O=Google Trust Services,C=US	11 Jun 2026	9 Sept 2026	ECDSA 256	ECDSA-SHA256	634e69f13e12e0100ee909f741870a8b
SANs: mcp.courier.com
CN=WE1,O=Google Trust Services,C=US (CA)	CN=GTS Root R4,O=Google Trust Services LLC,C=US	13 Dec 2023	20 Feb 2029	ECDSA 256	ECDSA-SHA384	7ff31977972c224a76155d13b6d685e3
CN=GTS Root R4,O=Google Trust Services LLC,C=US (CA)	CN=GlobalSign Root CA,OU=Root CA,O=GlobalSign nv-sa,C=BE	15 Nov 2023	28 Jan 2028	ECDSA 384	SHA256-RSA	7fe530bf331343bedd821610493d8a1b

DNSSEC insecure

Validation of mcp.courier.com. — Not signed

Zone	DS	Keys	Algorithms	Outcome
.	trust_anchor	20326, 38696	8, 8	Verified
com.	present	19718	13	Verified
courier.com.	absent			Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation

Authentication No authorisation required

The endpoint answered without asking for a token. Anyone who knows the URL can reach it.

Result	No authorisation required
HTTP status	200

Header	Value
strict-transport-security	max-age=15552000; includeSubDomains
content-security-policy	default-src 'self';base-uri 'self';font-src 'self' https: data:;form-action 'self';frame-ancestors 'self';img-src 'self' data:;object-src 'none';script-src 'self';script-src-attr 'none';style-src 'self' https: 'unsafe-inline';upgrade-insecure-requests
x-content-type-options	nosniff
x-frame-options	SAMEORIGIN
referrer-policy	no-referrer

Transports 2 probes

Transport	URL	Outcome	Status	Location
streamable-http	https://mcp.courier.com	Verified	200
http (plaintext)	http://mcp.courier.com	HTTPS enforced	301	https://mcp.courier.com/

MCP tools — 144 exposed · ~10,121 tokens

The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability.

Tool Tokens

get_journey_template ~95

Get a journey-scoped notification template by notification ID. Pass version=draft to retrieve the working draft (required before the template has been published). Defaults to published.

Input Output Examples

Name	Type	Req	Description
journey_id	string	yes	The journey template ID that owns this notification
notification_id	string	yes	The notification template ID
version	string	—	Version to retrieve: "draft", "published" (default), or "vN"

No output schema declared.

No examples provided.

get_journey_template_content ~100

Fetch the elemental content of a journey-scoped notification template. Pass version=draft for the working draft, or vN for a historical version. Defaults to published.

Input Output Examples

Name	Type	Req	Description
journey_id	string	yes	The journey template ID that owns this notification
notification_id	string	yes	The notification template ID
version	string	—	Version to retrieve: "draft", "published" (default), or a version string like "v001"

No output schema declared.

No examples provided.

get_list ~26

Get a list by its ID.

Input Output Examples

Name	Type	Req	Description
list_id	string	yes	The list ID

No output schema declared.

No examples provided.

get_list_subscribers ~37

Get all subscribers of a list.

Input Output Examples

Name	Type	Req	Description
cursor	string	—	Pagination cursor
list_id	string	yes	The list ID

No output schema declared.

No examples provided.

get_message ~35

Get the full details and status of a single message by its ID.

Input Output Examples

Name	Type	Req	Description
message_id	string	yes	The message ID to retrieve

No output schema declared.

No examples provided.

get_message_content ~37

Get the rendered content (HTML, text, subject) of a previously sent message.

Input Output Examples

Name	Type	Req	Description
message_id	string	yes	The message ID

No output schema declared.

No examples provided.

get_message_history ~56

Get the event history for a message, showing each step in the delivery pipeline (enqueued, sent, delivered, etc.).

Input Output Examples

Name	Type	Req	Description
message_id	string	yes	The message ID
type	string	—	Filter by event type

No output schema declared.

No examples provided.

get_notification ~63

Retrieve a notification template by ID. Optionally request draft, published, or a version such as v001.

Input Output Examples

Name	Type	Req	Description
notification_id	string	yes	The notification template ID
version	string	—	Version to retrieve: draft, published, or a string like v001

No output schema declared.

No examples provided.

get_notification_content ~31

Get the published content blocks of a notification template.

Input Output Examples

Name	Type	Req	Description
notification_id	string	yes	The notification template ID

No output schema declared.

No examples provided.

get_notification_draft_content ~37

Get the draft (unpublished) content blocks of a notification template.

Input Output Examples

Name	Type	Req	Description
notification_id	string	yes	The notification template ID

No output schema declared.

No examples provided.

get_preference_section ~34

Retrieve a preference section by id, including its topics.

Input Output Examples

Name	Type	Req	Description
section_id	string	yes	Id of the preference section

No output schema declared.

No examples provided.

get_preference_topic ~65

Retrieve a topic within a section. Returns 404 if the section or topic does not exist, or the topic belongs to a different section.

Input Output Examples

Name	Type	Req	Description
section_id	string	yes	Id of the preference section
topic_id	string	yes	Id of the subscription preference topic

No output schema declared.

No examples provided.

get_provider ~28

Fetch a single provider configuration by ID.

Input Output Examples

Name	Type	Req	Description
provider_id	string	yes	The provider configuration ID

No output schema declared.

No examples provided.

get_routing_strategy ~46

Retrieve a routing strategy by ID. Returns the full entity including routing, channels, and providers.

Input Output Examples

Name	Type	Req	Description
routing_strategy_id	string	yes	The routing strategy ID (rs_ prefix)

No output schema declared.

No examples provided.

get_tenant ~27

Get a tenant by its ID.

Input Output Examples

Name	Type	Req	Description
tenant_id	string	yes	The tenant ID

No output schema declared.

No examples provided.

get_tenant_template ~42

Get a tenant notification template association by template ID.

Input Output Examples

Name	Type	Req	Description
template_id	string	yes	The template ID
tenant_id	string	yes	The tenant ID

No output schema declared.

No examples provided.

get_tenant_template_version ~72

Get a specific version of a tenant notification template (e.g. latest, published, or v1).

Input Output Examples

Name	Type	Req	Description
template_id	string	yes	The template ID
tenant_id	string	yes	The tenant ID
version	string	yes	Version identifier (latest, published, or v-prefixed)

No output schema declared.

No examples provided.

get_translation ~62

Get a translation for a specific locale (e.g. "en_US", "fr_FR").

Input Output Examples

Name	Type	Req	Description
domain	string	—	Translation domain (only "default" is supported currently)
locale	string	yes	Locale code (e.g. en_US, fr_FR)

No output schema declared.

No examples provided.

get_user_list_subscriptions ~39

Get all list subscriptions for a user.

Input Output Examples

Name	Type	Req	Description
cursor	string	—	Pagination cursor
user_id	string	yes	The user ID

No output schema declared.

No examples provided.

get_user_preference_topic ~57

Get a user's preference for a specific subscription topic.

Input Output Examples

Name	Type	Req	Description
tenant_id	string	—	Scope to a specific tenant
topic_id	string	yes	The subscription topic ID
user_id	string	yes	The user ID

No output schema declared.

No examples provided.

get_user_preferences ~48

Get a user's notification preferences (subscriptions, opt-outs, channel preferences).

Input Output Examples

Name	Type	Req	Description
tenant_id	string	—	Scope preferences to a specific tenant
user_id	string	yes	The user ID

No output schema declared.

No examples provided.

get_user_profile_by_id ~45

Get a user profile by their ID. Returns profile data including email, phone, and custom properties.

Input Output Examples

Name	Type	Req	Description
user_id	string	yes	The user ID to look up

No output schema declared.

No examples provided.

get_user_push_token ~41

Get a specific push/device token for a user.

Input Output Examples

Name	Type	Req	Description
token	string	yes	The token identifier
user_id	string	yes	The user ID

No output schema declared.

No examples provided.

invoke_ad_hoc_automation ~106

Invoke an ad-hoc automation with inline steps. Valid step actions: send, send-list, delay, cancel, update-profile, invoke, fetch-data. To cancel a previously started automation, use the cancel_automation tool instead.

Input Output Examples

Name	Type	Req	Description
automation	object	yes	The automation definition with typed steps
brand	string	—	—
data	object	—	—
profile	object	—	—
recipient	string	—	—
template	string	—	—

No output schema declared.

No examples provided.

invoke_automation_template ~128

Invoke an automation run from an existing automation template. Call list_automations first to get the template_id. Example: { template_id: "auto-onboarding", recipient: "user-123", data: { plan: "pro" } }.

Input Output Examples

Name	Type	Req	Description
brand	string	—	Brand ID override
data	object	—	Data to pass to the automation
profile	object	—	Profile data for the recipient
recipient	string	yes	Recipient user ID
template	string	—	Notification template override
template_id	string	yes	The automation template ID

No output schema declared.

No examples provided.

invoke_journey ~129

Invoke a journey run from a journey template. Call list_journeys first to find the template_id. Example: { template_id: "j-onboarding", user_id: "user-123", data: { plan: "pro" } }.

Input Output Examples

Name	Type	Req	Description
data	object	—	Data payload passed to the journey for conditions and template variables
profile	object	—	Profile data for the user (email, phone, custom fields)
template_id	string	yes	The journey template ID
user_id	string	—	Recipient user ID. Can also be resolved from profile or data.

No output schema declared.

No examples provided.

list_audience_members ~37

List all members of an audience.

Input Output Examples

Name	Type	Req	Description
audience_id	string	yes	The audience ID
cursor	string	—	Pagination cursor

No output schema declared.

No examples provided.

list_audiences ~26

List all audiences in the workspace.

Input Output Examples

Name	Type	Req	Description
cursor	string	—	Pagination cursor

No output schema declared.

No examples provided.

list_audit_events ~34

List audit events in the workspace. Useful for tracking API usage and changes.

Input Output Examples

Name	Type	Req	Description
cursor	string	—	Pagination cursor

No output schema declared.

No examples provided.

list_automations ~59

List automation templates in the workspace. Always call this first to discover template_id values before calling invoke_automation_template. Optionally filter by version.

Input Output Examples

Name	Type	Req	Description
cursor	string	—	Pagination cursor
version	string	—	Filter by version state

No output schema declared.

No examples provided.

list_brands ~25

List all brands in the workspace.

Input Output Examples

Name	Type	Req	Description
cursor	string	—	Pagination cursor

No output schema declared.

No examples provided.

list_bulk_users ~38

List the users in a bulk job.

Input Output Examples

Name	Type	Req	Description
cursor	string	—	Pagination cursor
job_id	string	yes	The bulk job ID

No output schema declared.

No examples provided.

list_digest_instances ~93

List the digest instances for a schedule. Each instance represents the events accumulated for a single user against the schedule, useful for monitoring accumulation before a digest is released.

Input Output Examples

Name	Type	Req	Description
cursor	string	—	Pagination cursor from a previous response
limit	number	—	Max instances to return (default 20, max 100)
schedule_id	string	yes	The digest schedule id, in the form "sch/{uuid}"

No output schema declared.

No examples provided.

list_journey_template_versions ~55

List published versions of a journey-scoped notification template, ordered most recent first.

Input Output Examples

Name	Type	Req	Description
journey_id	string	yes	The journey template ID that owns this notification
notification_id	string	yes	The notification template ID

No output schema declared.

No examples provided.

list_journey_templates ~83

List notification templates scoped to a journey. Journey-scoped templates can only be used by send nodes within the same journey. Call this to discover template IDs before wiring send nodes in replace_journey.

Input Output Examples

Name	Type	Req	Description
cursor	string	—	Pagination cursor
journey_id	string	yes	The journey template ID
limit	number	—	Page size (1–100)

No output schema declared.

No examples provided.

list_journey_versions ~34

List published versions of a journey, ordered most recent first.

Input Output Examples

Name	Type	Req	Description
journey_id	string	yes	The journey template ID

No output schema declared.

No examples provided.

list_journeys ~73

List journey templates in the workspace. Call this first to discover journey IDs before calling invoke_journey, get_journey, or replace_journey. Optionally filter by version (published or draft).

Input Output Examples

Name	Type	Req	Description
cursor	string	—	Pagination cursor
version	string	—	Filter by version state. Defaults to published.

No output schema declared.

No examples provided.

list_lists ~52

Get all lists. Optionally filter by pattern (e.g. 'example.list.*').

Input Output Examples

Name	Type	Req	Description
cursor	string	—	Pagination cursor
pattern	string	—	Filter pattern (e.g. 'example.list.*')

No output schema declared.

No examples provided.

list_messages ~224

List messages you've previously sent. Filter by status, recipient, notification, provider, tags, or tenant.

Input Output Examples

Name	Type	Req	Description
archived	boolean	—	Include archived messages
cursor	string	—	Pagination cursor for fetching the next page
enqueued_after	string	—	ISO 8601 timestamp; only return messages enqueued after this time
event	string	—	Filter by event ID
list	string	—	Filter by list ID
messageId	string	—	Filter by message ID
notification	string	—	Filter by notification ID
provider	array	—	Filter by provider key (e.g. sendgrid, twilio)
recipient	string	—	Filter by recipient user ID
status	array	—	Filter by status (e.g. DELIVERED, UNDELIVERABLE)
tag	array	—	Filter by metadata tags
tags	string	—	Comma-delimited list of tags
tenant_id	string	—	Filter by tenant ID
traceId	string	—	Filter by trace ID

No output schema declared.

No examples provided.

list_notification_checks ~43

List checks for a notification submission.

Input Output Examples

Name	Type	Req	Description
notification_id	string	yes	The notification template ID
submission_id	string	yes	The submission ID for the checks resource

No output schema declared.

No examples provided.

list_notification_versions ~61

List version history for a notification template.

Input Output Examples

Name	Type	Req	Description
cursor	string	—	Pagination cursor from a previous response
limit	number	—	Max versions per page (default 10, max 10)
notification_id	string	yes	The notification template ID

No output schema declared.

No examples provided.

list_notifications ~27

List notification templates. Optionally filter by cursor.

Input Output Examples

Name	Type	Req	Description
cursor	string	—	Pagination cursor

No output schema declared.

No examples provided.

list_preference_sections ~23

List the workspace's preference sections. Each section embeds its topics.

Input Output Examples

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

list_preference_topics ~31

List the topics in a preference section.

Input Output Examples

Name	Type	Req	Description
section_id	string	yes	Id of the preference section

No output schema declared.

No examples provided.

list_provider_catalog ~68

List available provider types from the catalog with their configuration schemas.

Input Output Examples

Name	Type	Req	Description
channel	string	—	Filter by channel type (email, sms, push, etc.)
keys	string	—	Comma-separated provider keys to filter by
name	string	—	Substring match on provider name

No output schema declared.

No examples provided.

list_providers ~26

List configured provider integrations for the workspace.

Input Output Examples

Name	Type	Req	Description
cursor	string	—	Pagination cursor

No output schema declared.

No examples provided.

list_routing_strategies ~57

List routing strategies in the workspace. Returns metadata only; use get for full details.

Input Output Examples

Name	Type	Req	Description
cursor	string	—	Pagination cursor
limit	number	—	Max results per page (default 20, max 100)

No output schema declared.

No examples provided.

list_routing_strategy_notifications ~74

List notification templates associated with a routing strategy. Useful for checking linked templates before archiving.

Input Output Examples

Name	Type	Req	Description
cursor	string	—	Pagination cursor
limit	number	—	Max results per page (default 20, max 100)
routing_strategy_id	string	yes	The routing strategy ID (rs_ prefix)

No output schema declared.

No examples provided.

list_tenant_templates ~57

List notification templates configured for a tenant.

Input Output Examples

Name	Type	Req	Description
cursor	string	—	Pagination cursor
limit	number	—	Max results per page (default 20, max 100)
tenant_id	string	yes	The tenant ID

No output schema declared.

No examples provided.

list_tenant_users ~56

List users associated with a tenant.

Input Output Examples

Name	Type	Req	Description
cursor	string	—	Pagination cursor
limit	number	—	Max results per page (default 20, max 100)
tenant_id	string	yes	The tenant ID

No output schema declared.

No examples provided.

On this page

Handy links

Scoring key

80+ high trust
60–79 medium
below 60 low

How we score

Score history · last 30 days

26 Jul 3 Aug

Day	Score
26 Jul	64
27 Jul	65
28 Jul	65
29 Jul	66
30 Jul	67
31 Jul	67
1 Aug	68
2 Aug	68
3 Aug	69