Moltline Outbound Engine
Superseded listing, not a dead server. This entry was imported from an early Glama registration under com.moltlinestudio.mcp; the same server is listed under its official MCP Registry name — use com.moltlinestudio/outbound. Endpoint unchanged: https://mcp.moltlinestudio.com/outbound — still live, still free on the free tier. Only this duplicate entry is deprecated.
Server Details
7 sales-outreach persona and skill products plus deliverability tooling over MCP: audit_copy scores email copy out of 100 for spam triggers and personalization, sequence_planner builds opt-out-respecting cadences, subject_line_scorer ranks up to 20 lines, utm_builder produces tracking URLs, and get_free_skill loads any product's complete free gateway skill.
- Status
- Healthy
- Uptime
- 100.0% over the last 24 hours
- Last Tested
- Transport
- Streamable HTTP · MCP 2025-11-25
- URL
- ChatGPT
- –
- Claude
- –
TDQS
Scored across 8 tools
Each tool targets a distinct action, and the descriptions explicitly cross-reference sibling tools with 'Not for X (tool_y)' guidance, which sharply delineates the confusable trio get_free_skill/get_full_skill/get_full_product. audit_copy, subject_line_scorer, and sequence_planner are cleanly separated by artifact type.
All names use snake_case and are readable, but verb style is mixed: verb_noun forms (audit_copy, get_free_skill, list_products) coexist with noun-phrase agent forms (sequence_planner, subject_line_scorer, utm_builder). The inconsistency is minor and does not impede understanding.
Eight tools is well within the ideal range and each earns its place: four outreach utilities plus a coherent product/skill retrieval surface. Nothing feels padded or missing at the count level.
The lifecycle (discover products, load skills, audit copy, score subjects, plan cadence, tag URLs) is largely covered with no dead ends. Minor gaps exist: no message-body drafting/first-line generation and no campaign results analysis, though the latter is explicitly out of scope for utm_builder.
Available Tools
8 toolsaudit_copyAudit CopyARead-onlyIdempotentInspect
Audit outreach copy for spam triggers and deliverability risks. FREE.
Checks spam-trigger phrases, length, structure, caps, links, and personalization signals. Typical input {"subject": "Quick question", "body": ""} returns {"score": 0-100, "findings": ["Spam-trigger phrases: ...", "Long for cold outreach (200 words; aim 50-125)"], "note": "..."}.
Use on the body of an outreach message. Not for the subject line alone (subject_line_scorer) and not for the send schedule (sequence_planner). Errors: on invalid, missing, or malformed input this tool never raises a protocol error; it returns {"error": ""}. Every call is read-only and idempotent, so after correcting the input it is always safe to retry.
| Name | Required | Description | Default |
|---|---|---|---|
| body | No | The email body text to audit. | |
| subject | No | The email subject line; may be empty when auditing body copy alone. |
Output Schema
| Name | Required | Description |
|---|---|---|
No output parameters | ||
get_free_skillGet Free SkillARead-onlyIdempotentInspect
Load a product's free gateway skill with its complete instructions. FREE.
Typical input {"slug": "linkedin-outreach"} returns {"slug": ..., "skill": "", "instructions": ""}.
Returns exactly one skill - the product's free gateway skill - chosen automatically from the slug, with no plan required. Use when the caller wants usable instructions immediately. Not for the product's other skills: those are named and need get_full_skill with a skill_name, which requires a paid plan. Errors: on invalid, missing, or malformed input this tool never raises a protocol error; it returns {"error": ""} (for example {"error": "unknown slug ''. Use list_products."}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.
| Name | Required | Description | Default |
|---|---|---|---|
| slug | Yes | Product slug exactly as returned by list_products, e.g. "linkedin-outreach". |
Output Schema
| Name | Required | Description |
|---|---|---|
No output parameters | ||
get_full_productGet Full ProductARead-onlyIdempotentInspect
Load one product in full: its persona plus every paid skill. PREMIUM (license).
Typical input {"slug": "linkedin-outreach"} returns {"slug": ..., "name": ..., "persona": "", "skills": [{"name": ..., "instructions": ...}, ...], "free_skill": {...}}.
Returns persona plus every skill for one product. Use when the caller wants the whole product. Not for a single skill (get_full_skill) and not for a free look, which list_products and get_free_skill provide with no plan. Errors: on invalid, missing, or malformed input this tool never raises a protocol error; it returns {"error": ""} (for example {"error": "unknown slug ''"}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.
| Name | Required | Description | Default |
|---|---|---|---|
| slug | Yes | Product slug exactly as returned by list_products, e.g. "linkedin-outreach". |
Output Schema
| Name | Required | Description |
|---|---|---|
No output parameters | ||
get_full_skillGet Full SkillARead-onlyIdempotentInspect
Load one paid skill's complete instructions from a product. PREMIUM (license).
Typical input {"slug": "linkedin-outreach", "skill_name": "Connection Openers"} returns {"slug": ..., "skill": ..., "instructions": ""}.
Returns one named skill, selected by skill_name. Use when the caller wants one specific paid skill. Not for the free gateway skill, which get_free_skill returns with no plan, and not for every skill at once (get_full_product). Errors: on invalid, missing, or malformed input this tool never raises a protocol error; it returns {"error": ""} (for example {"error": "unknown slug ''"}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.
| Name | Required | Description | Default |
|---|---|---|---|
| slug | Yes | Product slug exactly as returned by list_products. | |
| skill_name | Yes | Exact skill name as listed in that product's "skills" array from list_products. |
Output Schema
| Name | Required | Description |
|---|---|---|
No output parameters | ||
list_productsList ProductsARead-onlyIdempotentInspect
List the 7 outbound products with their included skills. FREE.
Takes no arguments. Returns a list of product objects, each {"slug": "linkedin-outreach", "name": ..., "tagline": ..., "skills": ["Skill A", ...], "free_skill": "Gateway Skill Name"}. Use the returned slug values with get_free_skill, get_full_product, or get_full_skill.
Returns metadata only - no persona text and no skill instructions. Use when the caller wants to see what this server covers. Not for keyword search across the whole 138-product catalog, which the catalog server's search_catalog does, and not for instructions the caller can act on (get_free_skill). Errors: on invalid, missing, or malformed input this tool never raises a protocol error; it returns {"error": ""}. Every call is read-only and idempotent, so after correcting the input it is always safe to retry.
| Name | Required | Description | Default |
|---|---|---|---|
No parameters | |||
Output Schema
| Name | Required | Description |
|---|---|---|
| result | Yes |
sequence_plannerSequence PlannerARead-onlyIdempotentInspect
Plan an outreach cadence with expanding gaps and per-touch purposes. FREE.
Spaces N touches across D days, alternating channels. Typical input {"touches": 5, "days": 14, "channels": ["email", "linkedin"]} returns {"days": 14, "plan": [{"touch": 1, "day": 0, "channel": "email", "purpose": "open with a specific, researched reason"}, ...], "rule": "..."}.
Use when cadence and per-touch purpose are the question. Not for the wording of any single message (audit_copy). Errors: on invalid, missing, or malformed input this tool never raises a protocol error; it returns {"error": ""}. Every call is read-only and idempotent, so after correcting the input it is always safe to retry.
| Name | Required | Description | Default |
|---|---|---|---|
| days | No | Total span of the sequence in days; values outside 1-365 are clamped. Default 14. | |
| touches | No | Number of touches in the sequence; values outside 2-10 are clamped. Default 5. | |
| channels | No | Channel names to alternate through in order, e.g. ["email", "linkedin", "phone"]. Default ["email", "linkedin"]. |
Output Schema
| Name | Required | Description |
|---|---|---|
No output parameters | ||
subject_line_scorerSubject Line ScorerARead-onlyIdempotentInspect
Score and rank up to 20 email subject lines, best first. FREE.
Scores 0-100 on length, spam triggers, caps, personalization merge fields, and curiosity cues. Typical input {"subjects": ["Quick question about {{company}}", "ACT NOW!!!"]} returns {"ranked": [{"subject": ..., "score": 92, "notes": ["personalized (+)", "question format"]}, ...]}.
Use when several subject lines need ranking against deliverability and curiosity signals. Not for article headlines, which the creator server's headline_analyzer ranks, and not for message bodies (audit_copy). Errors: on invalid, missing, or malformed input this tool never raises a protocol error; it returns {"error": ""}. Every call is read-only and idempotent, so after correcting the input it is always safe to retry.
| Name | Required | Description | Default |
|---|---|---|---|
| subjects | Yes | List of candidate subject lines as plain strings; only the first 20 are scored. |
Output Schema
| Name | Required | Description |
|---|---|---|
No output parameters | ||
utm_builderUtm BuilderARead-onlyIdempotentInspect
Build a UTM-tagged URL for campaign tracking. FREE.
Typical input {"url": "https://example.com/pricing", "source": "newsletter", "medium": "email", "campaign": "spring-launch"} returns {"tagged_url": "https://example.com/pricing?utm_source=newsletter& utm_medium=email&utm_campaign=spring-launch"}.
Use to build one tagged tracking URL. Not for analyzing campaign results and not for anything that belongs in the message body (audit_copy). Errors: on invalid, missing, or malformed input this tool never raises a protocol error; it returns {"error": ""} (for example {"error": "url must start with http(s)://"}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.
| Name | Required | Description | Default |
|---|---|---|---|
| url | Yes | Destination URL; must start with http:// or https://. | |
| term | No | Optional utm_term value for paid keywords. | |
| medium | Yes | utm_medium value, the channel, e.g. "email" or "cpc". | |
| source | Yes | utm_source value, where the traffic comes from, e.g. "newsletter". | |
| content | No | Optional utm_content value for A/B variants. | |
| campaign | Yes | utm_campaign value, the campaign name, e.g. "spring-launch". |
Output Schema
| Name | Required | Description |
|---|---|---|
No output parameters | ||
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
1 tool update
- Changed
utm_builder3 fields changed- changed
Input schema / properties / campaign / descriptionPrevious value: -"utm_campaign value — the campaign name,\ne.g. \"spring-launch\"."New value: +"utm_campaign value, the campaign name,\ne.g. \"spring-launch\"." - changed
Input schema / properties / medium / descriptionPrevious value: -"utm_medium value — the channel, e.g. \"email\" or \"cpc\"."New value: +"utm_medium value, the channel, e.g. \"email\" or \"cpc\"." - changed
Input schema / properties / source / descriptionPrevious value: -"utm_source value — where the traffic comes from,\ne.g. \"newsletter\"."New value: +"utm_source value, where the traffic comes from,\ne.g. \"newsletter\"."
8 tool updates
- First observed
audit_copy - First observed
get_free_skill - First observed
get_full_product - First observed
get_full_skill - First observed
list_products - First observed
sequence_planner - First observed
subject_line_scorer - First observed
utm_builder
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