machfive
Server Details
Generate hyper-personalized cold email sequences via MachFive API.
- Status
- Healthy
- Last Tested
- Transport
- Streamable HTTP
- URL
- Repository
- Bluecraft-AI/machfive-mcp
- GitHub Stars
- 2
- Server Listing
- MachFive Cold Email
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Tool Definition Quality
Average 4.5/5 across 6 of 6 tools scored.
Each tool has a clearly distinct purpose with no overlap: export_list retrieves completed results, generate_batch initiates batch processing, generate_sequence handles single leads synchronously, get_list_status checks status, list_campaigns lists campaigns, and list_lists lists batch jobs. The descriptions explicitly differentiate their roles, preventing misselection.
All tool names follow a consistent verb_noun pattern (e.g., export_list, generate_batch, list_campaigns) with clear, descriptive terms. There are no deviations in style or convention, making the set predictable and easy to understand.
With 6 tools, this server is well-scoped for email sequence generation and management. Each tool serves a specific function in the workflow, from setup (list_campaigns) to execution (generate_sequence/generate_batch) and retrieval (export_list/get_list_status), with no unnecessary redundancy.
The tool set covers the core lifecycle of email sequence generation: listing campaigns, generating sequences (both single and batch), checking status, and exporting results. A minor gap is the lack of tools for managing campaigns (e.g., create/update/delete campaigns), but agents can still perform essential workflows effectively.
Available Tools
6 toolsexport_listExport ListRead-onlyIdempotentInspect
Download the generated email sequences for a COMPLETED list.
Only call this AFTER get_list_status shows processing_status = 'completed'. If the list is not yet completed, you'll get a 409 error — poll first.
| Name | Required | Description | Default |
|---|---|---|---|
| format | No | Output format: 'json' (structured data) or 'csv' (raw CSV for sending tools). | json |
| list_id | Yes | List UUID to export. |
Output Schema
| Name | Required | Description |
|---|---|---|
| result | Yes |
generate_batchGenerate BatchInspect
Submit multiple leads for batch email sequence generation (ASYNC).
Returns IMMEDIATELY with a list_id. Processing runs in the background. After calling this, poll get_list_status every 15-30 seconds until processing_status is 'completed' or 'failed', then call export_list.
You must have a campaign_id first. Call list_campaigns if you don't have one.
| Name | Required | Description | Default |
|---|---|---|---|
| list_name | No | Display name for this batch in MachFive UI. | |
| leads_json | Yes | JSON array of lead objects. Each MUST have "email". Optional: name, title, company, company_website, linkedin_url. Example: '[{"email":"jane@acme.com","name":"Jane Doe"}]' | |
| campaign_id | Yes | Campaign UUID from list_campaigns. | |
| email_count | No | Number of emails per lead, 1-5. | |
| approved_ctas | No | Comma-separated CTAs. Omit to use campaign defaults. | |
| campaign_angle | No | Additional context/angle for personalization. | |
| email_signature | No | Signature appended to each email. |
Output Schema
| Name | Required | Description |
|---|---|---|
| result | Yes |
generate_sequenceGenerate Email SequenceInspect
Generate a personalized cold email sequence for ONE lead.
This is SYNCHRONOUS — the request takes 3-10 minutes because MachFive researches the prospect and crafts unique emails. Do NOT retry if it seems slow; wait for the response.
You must have a campaign_id first. Call list_campaigns if you don't have one. If the request times out, use the returned list_id with get_list_status and export_list to recover results.
| Name | Required | Description | Default |
|---|---|---|---|
| name | No | Lead's full name (improves personalization). | |
| Yes | Lead's email address (REQUIRED). | ||
| title | No | Lead's job title (improves personalization). | |
| company | No | Lead's company name (improves personalization). | |
| list_name | No | Display name for this list in MachFive UI. | |
| campaign_id | Yes | Campaign UUID from list_campaigns. | |
| email_count | No | Number of emails in sequence, 1-5. | |
| linkedin_url | No | LinkedIn profile URL for deeper personalization. | |
| approved_ctas | No | Comma-separated CTAs, e.g. 'Direct Meeting CTA, Lead Magnet CTA'. Omit to use campaign defaults. | |
| campaign_angle | No | Additional context/angle for personalization. | |
| company_website | No | Company URL for AI research. | |
| email_signature | No | Signature appended to each email. |
Output Schema
| Name | Required | Description |
|---|---|---|
| result | Yes |
get_list_statusGet List StatusRead-onlyIdempotentInspect
Check the processing status of a lead list.
Use this to POLL after calling generate_batch. Call every 15-30 seconds until processing_status is 'completed' or 'failed'. When completed, call export_list. When failed, submit a new batch.
| Name | Required | Description | Default |
|---|---|---|---|
| list_id | Yes | List UUID from generate_batch or generate_sequence response. |
Output Schema
| Name | Required | Description |
|---|---|---|
| result | Yes |
list_campaignsList CampaignsRead-onlyIdempotentInspect
List campaigns in the user's MachFive workspace.
CALL THIS FIRST before generate_sequence or generate_batch — you need a campaign ID to generate emails. If the user hasn't specified a campaign, call this and ask them to pick one.
Returns JSON array of campaigns with id, name, and created_at. Use the 'id' field as campaign_id in generate calls.
| Name | Required | Description | Default |
|---|---|---|---|
| query | No | Search string to filter campaigns by name (case-insensitive substring match). Leave empty to list all. |
Output Schema
| Name | Required | Description |
|---|---|---|
| result | Yes |
list_listsList Lead ListsRead-onlyIdempotentInspect
List lead lists (batch jobs) in the user's MachFive workspace.
Useful for browsing past batches, checking what's in progress, or finding a list_id to export. Results are ordered newest first.
| Name | Required | Description | Default |
|---|---|---|---|
| limit | No | Max results to return, 1-100. | |
| offset | No | Pagination offset. | |
| status | No | Filter by processing status: 'pending', 'processing', 'completed', or 'failed'. | |
| campaign_id | No | Filter by campaign UUID. |
Output Schema
| Name | Required | Description |
|---|---|---|
| result | Yes |
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