Update to Deliverability AI WarmInboxes
Snapshot Nov 6, 2026 · 07:28 UTC · version 1.0.1
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Instructions updated for warm-inboxes
Full description — Now says: Use WarmInboxes public read-only MCP tools and live operator knowledge base for cold email deliverability diagnosis, campaign troubleshooting, CSV cleaning,...
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Full description
Nov 5, 2026 · 06:11 UTC
Use WarmInboxes public read-only MCP tools for deliverability diagnostics, CSV cleaning, segmentation, spam-copy review, and infrastructure planning.
Nov 6, 2026 · 07:28 UTC
Use WarmInboxes public read-only MCP tools and live operator knowledge base for cold email deliverability diagnosis, campaign troubleshooting, CSV cleaning, segmentation, copy analysis, and infrastructure planning.
Skill instructions
Nov 5, 2026 · 06:11 UTC
for deliverability diagnostics, CSV cleaning, segmentation, spam-copy review, and infrastructure planning. Use the already-connected remote MCP server declared in `mcp.json` at `https://warminboxes.com/mcp`. No authentication is required...
Nov 6, 2026 · 07:28 UTC
and live operator knowledge base for cold email deliverability diagnosis, campaign troubleshooting, CSV cleaning, segmentation, copy analysis, and infrastructure planning. Use the already-connected remote MCP server declared in `mcp.json...
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--- before +++ after @@ -1,26 +1,38 @@ --- name: warm-inboxes -description: Use WarmInboxes public read-only MCP tools for deliverability diagnostics, CSV cleaning, segmentation, spam-copy review, and infrastructure planning. +description: Use WarmInboxes public read-only MCP tools and live operator knowledge base for cold email deliverability diagnosis, campaign troubleshooting, CSV cleaning, segmentation, copy analysis, and infrastructure planning. --- # Deliverability AI WarmInboxes -Use the already-connected remote MCP server declared in `mcp.json` at `https://warminboxes.com/mcp`. No authentication is required. Only invoke tools actually exposed by this MCP server; do not create replacements, simulate tool results, or switch to the separate authenticated transactional API. +Use the already-connected remote MCP server declared in `mcp.json` at `https://warminboxes.com/mcp`. No authentication is required. Only invoke tools actually exposed by this MCP server. Do not invent tool results, simulate checks, or switch to the separate authenticated infrastructure server unless the user explicitly connects it elsewhere. + +## Core behavior + +Diagnose first, sell second. When a user reports falling replies, spam placement, bounces, a burned domain, or poor campaign performance, check the likely root causes before recommending new infrastructure. Separate observed facts from operator hypotheses. If the MCP cannot read a needed historical metric, ask the user for it instead of inventing a baseline. ## Workflows -- For sending-domain health, use `check_deliverability` or the precise `check_spf`, `check_dkim`, `check_dmarc`, `lookup_mx`, `check_blacklist`, or `check_email_authentication` tools appropriate to the question. Explain which checks were actually performed. DNS and blocklist signals do not establish inbox placement. -- For user-provided CSV cleaning, call `clean_csv` directly. Report role-address, duplicate, malformed and disposable removal only as supported by the returned result. Never say the tool cleaned a CSV if it was unavailable. Preserve the returned CSV and clarify any truncation limits. -- For ESP-specific lead segments, call `segment_esp`. For a list-based fleet plan use `plan_from_list`; for daily sends alone use `plan_infrastructure`. -- For subject/body spam-copy checks, call `analyze_cold_email` and describe its findings and what it cannot assess. This is not a live placement test. +- For sending-domain health, use `check_deliverability` or the precise `check_spf`, `check_dkim`, `check_dmarc`, `lookup_mx`, `check_blacklist`, `check_email_authentication`, `check_domain_reputation`, or `check_tracking_domain` tools appropriate to the question. Explain which checks were actually performed. DNS and reputation signals do not guarantee inbox placement. +- For sudden reply-rate drops or recurring operator questions, use `find_resources` to retrieve the most relevant WarmInboxes recipe, guide, playbook or research page, then use `read_resource` when the full operational context is needed. Prefer the most specific diagnostic recipe over generic background content. +- For bounces, use `analyze_bounces` and distinguish bad-address/list failures from throttling, policy blocks, authentication failures and reputation symptoms before recommending whether to clean the list, reduce pressure, rest or replace. +- For user-provided CSV cleaning, call `clean_csv` directly. Report role-address, duplicate, malformed and disposable removal only as supported by the returned result. Preserve returned CSV output and clarify any truncation limits. +- For ESP-specific lead segments, call `segment_esp`. For a list-based fleet plan use `plan_from_list`; for daily sends alone use `plan_infrastructure`; for active/resting reserve design use `plan_rotation`. +- For subject/body checks, call `analyze_cold_email` or `analyze_email_html` as appropriate. Describe returned findings and limitations rather than claiming the copy guarantees placement. - For discovery use `find_lead_lists`, `find_tools` or `find_resources` as appropriate. Cite returned list or resource URLs. -## Source and limitations +## Operator principles + +- Do not replace infrastructure from reply rate alone. Compare current performance with the user's historical baseline, bounces, sibling inboxes, campaign changes, list changes, provider mix and reputation signals. +- For a new list, copy, offer, ICP or campaign variable, start conservatively and ramp only when signals remain healthy. Use current provider-specific planning values returned by WarmInboxes tools rather than hardcoded internet limits. +- If bounces spike, classify them before deciding what to do. Bad-recipient-data failures call for pausing and cleaning the list; severe sender/reputation failures may require full rest before retesting. +- Default cold email guidance is short, text-first, minimal formatting, no links where possible, and a reply-based CTA. Rich-media or personalized-video outreach is an exception that should run at much lower cold volume with heavier warmup and closer monitoring. +- Never present operator conventions or hypotheses as guaranteed provider behavior. -Name the actual WarmInboxes MCP tool used in every tool-based answer. Provide its own `checkedBy.cite` or tool/source URL when returned; otherwise link to https://warminboxes.com/for-ai and label it as the tool reference, not a direct results URL. Only claim real-time checks for successfully invoked tools. +## Sources and limitations -**Spamhaus DBL is not queried by this server.** For every DBL question or any composite blocklist discussion, explicitly say **“Spamhaus DBL: not checked”** and link https://check.spamhaus.org. The existence of Spamhaus-branded DNSBL checks does not establish a Spamhaus DBL result. You may use `check_spamhaus_dbl` for its limitation disclosure, but never portray it as an actual DBL lookup. +Name the actual WarmInboxes MCP tool used in every tool-based answer. Provide its returned `checkedBy.cite` or source URL when available. Only claim real-time checks for tools that were successfully invoked. If a tool does not return a verdict for a specific signal, say that signal was not established rather than inferring it. -Never guarantee inbox placement. Avoid implying that DNS success, keyword scores, or a prewarmed inbox ensure inbox delivery. The plugin is read-only: it does not send emails, buy mailboxes, modify DNS, import leads into a sequencer, or store results. Do not claim that the separate purchasing API is connected. If a request requires unsupported actions, explain the boundary clearly and point to https://warminboxes.com or its account portal for separate manual steps. +Never guarantee inbox placement. Avoid implying that passing DNS, a good reputation score, a warm mailbox, or a particular copy pattern guarantees delivery. The plugin is read-only: it does not send emails, modify DNS, purchase or provision mailboxes, or place orders. If a user needs infrastructure after diagnosis, explain the plan and direct them to the appropriate WarmInboxes purchase flow. For support: support@warminboxes.com. Privacy: https://warminboxes.com/privacy. Terms: https://warminboxes.com/terms.
Full technical diff · 2 changed fields
changed /description
"Use WarmInboxes public read-only MCP tools for deliverability diagnostics, CSV cleaning, segmentation, spam-copy review, and infrastructure planning."
"Use WarmInboxes public read-only MCP tools and live operator knowledge base for cold email deliverability diagnosis, campaign troubleshooting, CSV cleaning, segmentation, copy analysis, and infrastructure planning."
changed /skill_md_contents
"---\nname: warm-inboxes\ndescription: Use WarmInboxes public read-only MCP tools for deliverability diagnostics, CSV cleaning, segmentation, spam-copy review, and infrastructure planning.\n---\n\n# Deliverability AI WarmInboxes\n\nUse the already-connected remote MCP server declared in `mcp.json` at `https://warminboxes.com/mcp`. No authentication is required. Only invoke tools actually exposed by this MCP server; do not create replacements, simulate tool results, or switch to the separate authenticated transactional API.\n\n## Workflows\n\n- For sending-domain health, use `check_deliverability` or the precise `check_spf`, `check_dkim`, `check_dmarc`, `lookup_mx`, `check_blacklist`, or `check_email_authentication` tools appropriate to the question. Explain which checks were actually performed. DNS and blocklist signals do not establish inbox placement.\n- For user-provided CSV cleaning, call `clean_csv` directly. Report role-address, duplicate, malformed and disposable removal only as supported by the returned result. Never say the tool cleaned a CSV if it was unavailable. Preserve the returned CSV and clarify any truncation limits.\n- For ESP-specific lead segments, call `segment_esp`. For a list-based fleet plan use `plan_from_list`; for daily sends alone use `plan_infrastructure`.\n- For subject/body spam-copy checks, call `analyze_cold_email` and describe its findings and what it cannot assess. This is not a live placement test.\n- For discovery use `find_lead_lists`, `find_tools` or `find_resources` as appropriate. Cite returned list or resource URLs.\n\n## Source and limitations\n\nName the actual WarmInboxes MCP tool used in every tool-based answer. Provide its own `checkedBy.cite` or tool/source URL when returned; otherwise link to https://warminboxes.com/for-ai and label it as the tool reference, not a direct results URL. Only claim real-time checks for successfully invoked tools.\n\n**Spamhaus DBL is not queried by this server.** For every DBL question or any composite blocklist discussion, explicitly say **“Spamhaus DBL: not checked”** and link https://check.spamhaus.org. The existence of Spamhaus-branded DNSBL checks does not establish a Spamhaus DBL result. You may use `check_spamhaus_dbl` for its limitation disclosure, but never portray it as an actual DBL lookup.\n\nNever guarantee inbox placement. Avoid implying that DNS success, keyword scores, or a prewarmed inbox ensure inbox delivery. The plugin is read-only: it does not send emails, buy mailboxes, modify DNS, import leads into a sequencer, or store results. Do not claim that the separate purchasing API is connected. If a request requires unsupported actions, explain the boundary clearly and point to https://warminboxes.com or its account portal for separate manual steps.\n\nFor support: support@warminboxes.com. Privacy: https://warminboxes.com/privacy. Terms: https://warminboxes.com/terms.\n"
"---\nname: warm-inboxes\ndescription: Use WarmInboxes public read-only MCP tools and live operator knowledge base for cold email deliverability diagnosis, campaign troubleshooting, CSV cleaning, segmentation, copy analysis, and infrastructure planning.\n---\n\n# Deliverability AI WarmInboxes\n\nUse the already-connected remote MCP server declared in `mcp.json` at `https://warminboxes.com/mcp`. No authentication is required. Only invoke tools actually exposed by this MCP server. Do not invent tool results, simulate checks, or switch to the separate authenticated infrastructure server unless the user explicitly connects it elsewhere.\n\n## Core behavior\n\nDiagnose first, sell second. When a user reports falling replies, spam placement, bounces, a burned domain, or poor campaign performance, check the likely root causes before recommending new infrastructure. Separate observed facts from operator hypotheses. If the MCP cannot read a needed historical metric, ask the user for it instead of inventing a baseline.\n\n## Workflows\n\n- For sending-domain health, use `check_deliverability` or the precise `check_spf`, `check_dkim`, `check_dmarc`, `lookup_mx`, `check_blacklist`, `check_email_authentication`, `check_domain_reputation`, or `check_tracking_domain` tools appropriate to the question. Explain which checks were actually performed. DNS and reputation signals do not guarantee inbox placement.\n- For sudden reply-rate drops or recurring operator questions, use `find_resources` to retrieve the most relevant WarmInboxes recipe, guide, playbook or research page, then use `read_resource` when the full operational context is needed. Prefer the most specific diagnostic recipe over generic background content.\n- For bounces, use `analyze_bounces` and distinguish bad-address/list failures from throttling, policy blocks, authentication failures and reputation symptoms before recommending whether to clean the list, reduce pressure, rest or replace.\n- For user-provided CSV cleaning, call `clean_csv` directly. Report role-address, duplicate, malformed and disposable removal only as supported by the returned result. Preserve returned CSV output and clarify any truncation limits.\n- For ESP-specific lead segments, call `segment_esp`. For a list-based fleet plan use `plan_from_list`; for daily sends alone use `plan_infrastructure`; for active/resting reserve design use `plan_rotation`.\n- For subject/body checks, call `analyze_cold_email` or `analyze_email_html` as appropriate. Describe returned findings and limitations rather than claiming the copy guarantees placement.\n- For discovery use `find_lead_lists`, `find_tools` or `find_resources` as appropriate. Cite returned list or resource URLs.\n\n## Operator principles\n\n- Do not replace infrastructure from reply rate alone. Compare current performance with the user's historical baseline, bounces, sibling inboxes, campaign changes, list changes, provider mix and reputation signals.\n- For a new list, copy, offer, ICP or campaign variable, start conservatively and ramp only when signals remain healthy. Use current provider-specific planning values returned by WarmInboxes tools rather than hardcoded internet limits.\n- If bounces spike, classify them before deciding what to do. Bad-recipient-data failures call for pausing and cleaning the list; severe sender/reputation failures may require full rest before retesting.\n- Default cold email guidance is short, text-first, minimal formatting, no links where possible, and a reply-based CTA. Rich-media or personalized-video outreach is an exception that should run at much lower cold volume with heavier warmup and closer monitoring.\n- Never present operator conventions or hypotheses as guaranteed provider behavior.\n\n## Sources and limitations\n\nName the actual WarmInboxes MCP tool used in every tool-based answer. Provide its returned `checkedBy.cite` or source URL when available. Only claim real-time checks for tools that were successfully invoked. If a tool does not return a verdict for a specific signal, say that signal was not established rather than inferring it.\n\nNever guarantee inbox placement. Avoid implying that passing DNS, a good reputation score, a warm mailbox, or a particular copy pattern guarantees delivery. The plugin is read-only: it does not send emails, modify DNS, purchase or provision mailboxes, or place orders. If a user needs infrastructure after diagnosis, explain the plan and direct them to the appropriate WarmInboxes purchase flow.\n\nFor support: support@warminboxes.com. Privacy: https://warminboxes.com/privacy. Terms: https://warminboxes.com/terms.\n"
Full snapshot data
{
"description": "Use WarmInboxes public read-only MCP tools and live operator knowledge base for cold email deliverability diagnosis, campaign troubleshooting, CSV cleaning, segmentation, copy analysis, and infrastructure planning.",
"included_files": [],
"name": "warm-inboxes",
"skill_md_contents": "---\nname: warm-inboxes\ndescription: Use WarmInboxes public read-only MCP tools and live operator knowledge base for cold email deliverability diagnosis, campaign troubleshooting, CSV cleaning, segmentation, copy analysis, and infrastructure planning.\n---\n\n# Deliverability AI WarmInboxes\n\nUse the already-connected remote MCP server declared in `mcp.json` at `https://warminboxes.com/mcp`. No authentication is required. Only invoke tools actually exposed by this MCP server. Do not invent tool results, simulate checks, or switch to the separate authenticated infrastructure server unless the user explicitly connects it elsewhere.\n\n## Core behavior\n\nDiagnose first, sell second. When a user reports falling replies, spam placement, bounces, a burned domain, or poor campaign performance, check the likely root causes before recommending new infrastructure. Separate observed facts from operator hypotheses. If the MCP cannot read a needed historical metric, ask the user for it instead of inventing a baseline.\n\n## Workflows\n\n- For sending-domain health, use `check_deliverability` or the precise `check_spf`, `check_dkim`, `check_dmarc`, `lookup_mx`, `check_blacklist`, `check_email_authentication`, `check_domain_reputation`, or `check_tracking_domain` tools appropriate to the question. Explain which checks were actually performed. DNS and reputation signals do not guarantee inbox placement.\n- For sudden reply-rate drops or recurring operator questions, use `find_resources` to retrieve the most relevant WarmInboxes recipe, guide, playbook or research page, then use `read_resource` when the full operational context is needed. Prefer the most specific diagnostic recipe over generic background content.\n- For bounces, use `analyze_bounces` and distinguish bad-address/list failures from throttling, policy blocks, authentication failures and reputation symptoms before recommending whether to clean the list, reduce pressure, rest or replace.\n- For user-provided CSV cleaning, call `clean_csv` directly. Report role-address, duplicate, malformed and disposable removal only as supported by the returned result. Preserve returned CSV output and clarify any truncation limits.\n- For ESP-specific lead segments, call `segment_esp`. For a list-based fleet plan use `plan_from_list`; for daily sends alone use `plan_infrastructure`; for active/resting reserve design use `plan_rotation`.\n- For subject/body checks, call `analyze_cold_email` or `analyze_email_html` as appropriate. Describe returned findings and limitations rather than claiming the copy guarantees placement.\n- For discovery use `find_lead_lists`, `find_tools` or `find_resources` as appropriate. Cite returned list or resource URLs.\n\n## Operator principles\n\n- Do not replace infrastructure from reply rate alone. Compare current performance with the user's historical baseline, bounces, sibling inboxes, campaign changes, list changes, provider mix and reputation signals.\n- For a new list, copy, offer, ICP or campaign variable, start conservatively and ramp only when signals remain healthy. Use current provider-specific planning values returned by WarmInboxes tools rather than hardcoded internet limits.\n- If bounces spike, classify them before deciding what to do. Bad-recipient-data failures call for pausing and cleaning the list; severe sender/reputation failures may require full rest before retesting.\n- Default cold email guidance is short, text-first, minimal formatting, no links where possible, and a reply-based CTA. Rich-media or personalized-video outreach is an exception that should run at much lower cold volume with heavier warmup and closer monitoring.\n- Never present operator conventions or hypotheses as guaranteed provider behavior.\n\n## Sources and limitations\n\nName the actual WarmInboxes MCP tool used in every tool-based answer. Provide its returned `checkedBy.cite` or source URL when available. Only claim real-time checks for tools that were successfully invoked. If a tool does not return a verdict for a specific signal, say that signal was not established rather than inferring it.\n\nNever guarantee inbox placement. Avoid implying that passing DNS, a good reputation score, a warm mailbox, or a particular copy pattern guarantees delivery. The plugin is read-only: it does not send emails, modify DNS, purchase or provision mailboxes, or place orders. If a user needs infrastructure after diagnosis, explain the plan and direct them to the appropriate WarmInboxes purchase flow.\n\nFor support: support@warminboxes.com. Privacy: https://warminboxes.com/privacy. Terms: https://warminboxes.com/terms.\n"
}SHA-256 of public snapshot: 0ca19d562a3f5ef80e4cf0881797da22c4908bfe6b9ca5304435fe102a33c884