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AgentDomains

REMOTE · MCP.AGENTDOMAINS.CO · 2 COMPONENTS

Free domains under makes.fyi or agentdomains.co for the sites and APIs AI agents build.

+3 this week 70 Trust /100

Last scanned (23 hours ago)

Scores higher than 60% of remote servers

Reachable. Last reached 22 Oct 2026.

Category Cloud Infrastructure

Trust breakdown (7 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 → Why this is hard to score →

Endpoint Security57
Transport & Reachability100
Schema Quality & AI Usability75
  • AI-judged instruction clarity (excellent).Pass
  • Context-footprint check failed: tool/resource definitions use about 3291 tokens (~173/item across 19 items; 19 tools + 0 resources), over budget; trim descriptions and params. See how to fix → Fail
  • Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management73
  • Stability observed for 22 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
  • 100% of tool parameters carry a description.Pass
Tool Safety75
  • No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
  • 0 of 6 tool(s) whose name or description implies an irreversible operation declare an MCP destructiveHint annotation; "delete_domain" implies "delete" and declares no destructiveHint at all, which the MCP spec reads as destructive by default. See how to fix → Fail
  • An AI judge read all 19 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities20
  • Spec-recency check failed: implements MCP spec 2024-11-05; the latest is 2026-07-28. See how to fix → Fail
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.

  • 22 Oct 26 +1

    No change was recorded against any check on this day. Stability & Change Management went from 70 to 73. That category is still filling its 30-day observation window: 21 days of observed history at the previous scan, 22 at this one. The score rises as the window fills, whether or not the server changes.

  • 20 Oct 26 +1

    No change was recorded against any check on this day. Stability & Change Management went from 63 to 67. That category is still filling its 30-day observation window: 19 days of observed history at the previous scan, 20 at this one. The score rises as the window fills, whether or not the server changes.

  • 17 Oct 26 +1

    No change was recorded against any check on this day. Stability & Change Management went from 53 to 57. That category is still filling its 30-day observation window: 16 days of observed history at the previous scan, 17 at this one. The score rises as the window fills, whether or not the server changes.

  • 15 Oct 26 +1
    • DNSSEC: unverified → fail ▼ security
  • 14 Oct 26 0
    • DNSSEC: fail → unverified ▼ security
  • 13 Oct 26 +1

    No change was recorded against any check on this day. Stability & Change Management went from 40 to 43. That category is still filling its 30-day observation window: 12 days of observed history at the previous scan, 13 at this one. The score rises as the window fills, whether or not the server changes.

  • 12 Oct 26 +1

    No change was recorded against any check on this day. Stability & Change Management went from 33 to 40. That category is still filling its 30-day observation window: 10 days of observed history at the previous scan, 12 at this one. The score rises as the window fills, whether or not the server changes.

  • 9 Oct 26 +3

    No change was recorded against any check on this day. Stability & Change Management went from 13 to 30. That category is still filling its 30-day observation window: 4 days of observed history at the previous scan, 9 at this one. The score rises as the window fills, whether or not the server changes.

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 22 Oct 2026 · Probed https://mcp.agentdomains.co

TLS valid

Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .

Subject Issuer Valid from Valid until Key Signature Serial
CN=agentdomains.co CN=WE1,O=Google Trust Services,C=US 21 Oct 2026 19 Jan 2027 ECDSA 256 ECDSA-SHA256 cc3325057ab3a3c50e3c6c6bc10510f6
SANs: agentdomains.co, mcp.agentdomains.co, *.mcp.agentdomains.co
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

Background: What to check on a remote MCP endpoint →

DNSSEC insecure

Validation of mcp.agentdomains.co. — Not signed

Zone DS Keys Algorithms Outcome
. trust_anchor 20326, 38696 8, 8 Verified
co. present 7786 8 Verified
agentdomains.co. 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

Background: How OAuth 2.1 works in the 2026 MCP spec →

Transports 2 probes
Transport URL Outcome Status Location
streamable-http https://mcp.agentdomains.co Verified 200
http (plaintext) http://mcp.agentdomains.co HTTPS enforced 301 https://mcp.agentdomains.co/
MCP tools · 19 exposed · ~3,291 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. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →

Tool Tokens
add_acme_challenge ~203

Publish a Let's Encrypt DNS-01 challenge: creates a TXT record at _acme-challenge.<label>.<domain> with the token your ACME client printed. Use this to get a certificate without exposing port 80 (for example for a wildcard cert, or a host behind NAT). DNS propagates within seconds, then tell your ACME client to continue. For a normal public web server, HTTP-01 validation needs no DNS record at all.

NameTypeReqDescription
domainstring–Which domain to act under: 'makes.fyi' (the default) or 'agentdomains.co'. The same label can exist under each, so pass this whenever you are not using the default.
labelstringyesThe subdomain label, without the domain suffix (e.g. 'myapp' for myapp.makes.fyi).
valuestringyesThe challenge token from your ACME client, published verbatim as the TXT value.

No output schema declared.

No examples provided.

add_dns_record ~276

Add a DNS record to a subdomain you already own. Use type A or AAAA to point at an IP address, CNAME to point at another hostname, or TXT for verification strings. Adding a record does not replace existing ones; use delete_record to remove a single one. Refused with a 409 while the label carries a forward or a proxy (they own the hostname) — call remove_forward or remove_proxy first, or add the record on a sub-label via 'host', which is a different hostname and unaffected.

NameTypeReqDescription
contentstringyesRecord value: an IP for A/AAAA, a hostname for CNAME, the string for TXT.
domainstring–Which domain to act under: 'makes.fyi' (the default) or 'agentdomains.co'. The same label can exist under each, so pass this whenever you are not using the default.
hoststring–Optional extra sub-label under the name (e.g. 'www' creates www.myapp.makes.fyi). Omit for the name itself.
labelstringyesThe subdomain label, without the domain suffix (e.g. 'myapp' for myapp.makes.fyi).
typestringyesRecord type: A, AAAA, CNAME, or TXT.

No output schema declared.

No examples provided.

attach_email ~66

Attach an email address to the account and send it a verification link. A human must click that link within 30 days or the provisional account and its domains are deleted. Use this right after signup.

NameTypeReqDescription
emailstringyesThe email address to attach and send the verification link to.

No output schema declared.

No examples provided.

check_availability ~143

Check whether a subdomain label is free before claiming it. Requires no API key. Returns { label, domain, fqdn, available, reason } where reason is 'available', 'taken', or 'invalid' (with a 'detail' explaining why the label is not usable).

NameTypeReqDescription
domainstring–Which domain to act under: 'makes.fyi' (the default) or 'agentdomains.co'. The same label can exist under each, so pass this whenever you are not using the default.
labelstringyesThe subdomain label, without the domain suffix (e.g. 'myapp' for myapp.makes.fyi).

No output schema declared.

No examples provided.

claim_domain ~348

Register a subdomain (label.makes.fyi or label.agentdomains.co) on this account, optionally creating its first DNS record in the same call. An email is required the first time an account registers a name — pass 'email' here or call attach_email first; the name is reaped if that email is not confirmed within 30 days. Returns the fqdn and, when a record was requested, the created record. The claim and its first record succeed or fail together: if the record is malformed (400) or the provider refuses it (503) the label is NOT claimed, so fix the record and call again. Re-claiming a name this account already holds answers 409 with owned:true — that means carry on using it, not pick another label.

NameTypeReqDescription
contentstring–Value for that record (an IP for A/AAAA, a hostname for CNAME, text for TXT).
domainstring–Which domain to act under: 'makes.fyi' (the default) or 'agentdomains.co'. The same label can exist under each, so pass this whenever you are not using the default.
emailstring–Required on the account's first registration if no email is attached yet. Sends a confirmation link.
hoststring–Optional extra sub-label for the record (e.g. 'www' gives www.myapp.makes.fyi).
labelstringyesThe subdomain label, without the domain suffix (e.g. 'myapp' for myapp.makes.fyi).
typestring–Optional DNS record to create immediately: A, AAAA, CNAME, or TXT.

No output schema declared.

No examples provided.

delegate_nameservers ~182

Delegate the subdomain to your own nameservers, handing you full control of it and everything beneath it (your own records, MX, deeper sub-domains). AgentDomains stops answering for the name, so its existing records, forwards, and proxies no longer apply. Supply at least two nameservers.

NameTypeReqDescription
domainstring–Which domain to act under: 'makes.fyi' (the default) or 'agentdomains.co'. The same label can exist under each, so pass this whenever you are not using the default.
labelstringyesThe subdomain label, without the domain suffix (e.g. 'myapp' for myapp.makes.fyi).
nameserversarrayyesYour nameserver hostnames, e.g. ['ns1.yourdns.com', 'ns2.yourdns.com']. At least two.

No output schema declared.

No examples provided.

delete_account ~194

DESTRUCTIVE AND IRREVERSIBLE, AND THE LARGEST ONE HERE: delete the whole AgentDomains account and invalidate its API key, which cannot be recovered or reissued — every later tool call fails with a 401 until a new signup. Without force it REFUSES while the account still holds names, answering 409 with the list of them; that refusal is a safety net, so show the list to the user and get an explicit yes before retrying. With force:true those names are deleted too: they stop resolving at once and are released for anyone else to claim. Only ever call this when the user has asked to close the account itself — never as cleanup after a task, and never to 'start fresh' on your own initiative.

NameTypeReqDescription
forceboolean–Delete the names the account still holds along with it. Without this the call is refused while any name remains, which is the intended default.

No output schema declared.

No examples provided.

delete_domain ~153

DESTRUCTIVE AND IRREVERSIBLE: permanently delete a subdomain and every DNS record, forward, and proxy attached to it. The hostname stops resolving immediately and the label is released for anyone else to claim. There is no undo and no recovery. Only call this when the user has explicitly asked for this specific name to be deleted.

NameTypeReqDescription
domainstring–Which domain to act under: 'makes.fyi' (the default) or 'agentdomains.co'. The same label can exist under each, so pass this whenever you are not using the default.
labelstringyesThe subdomain label, without the domain suffix (e.g. 'myapp' for myapp.makes.fyi).

No output schema declared.

No examples provided.

delete_record ~212

DESTRUCTIVE: permanently remove ONE DNS record from a subdomain, keeping the name and every other record. Use this to undo a single record — a wrong IP, a spent ACME challenge — instead of delete_domain, which takes the whole name. The record_id is the 'id' field shown by get_domain (and returned by claim_domain and add_dns_record); it is not the record's name or content. The hostname stops resolving through that record immediately and there is no undo.

NameTypeReqDescription
domainstring–Which domain to act under: 'makes.fyi' (the default) or 'agentdomains.co'. The same label can exist under each, so pass this whenever you are not using the default.
labelstringyesThe subdomain label, without the domain suffix (e.g. 'myapp' for myapp.makes.fyi).
record_idstringyesThe record's 'id' as reported by get_domain — not its name, type, or content.

No output schema declared.

No examples provided.

get_domain ~108

Show one subdomain in full: its fqdn, DNS records, forward or proxy configuration, and delegation state.

NameTypeReqDescription
domainstring–Which domain to act under: 'makes.fyi' (the default) or 'agentdomains.co'. The same label can exist under each, so pass this whenever you are not using the default.
labelstringyesThe subdomain label, without the domain suffix (e.g. 'myapp' for myapp.makes.fyi).

No output schema declared.

No examples provided.

list_domains ~37

List every subdomain on this account, with each one's DNS records and whether it is forwarding, proxying, or delegated to external nameservers.

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

manage_billing ~75

Get a Stripe billing-portal link for a Pro account: update the card, see invoices, switch between monthly and yearly, or cancel. A human must open it. Cancelling keeps Pro to the end of the paid period and never deletes a name. Answers 409 if the account has never subscribed (use upgrade_to_pro).

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

remove_forward ~106

Stop forwarding a subdomain. The name itself stays registered on the account; only the redirect is removed.

NameTypeReqDescription
domainstring–Which domain to act under: 'makes.fyi' (the default) or 'agentdomains.co'. The same label can exist under each, so pass this whenever you are not using the default.
labelstringyesThe subdomain label, without the domain suffix (e.g. 'myapp' for myapp.makes.fyi).

No output schema declared.

No examples provided.

remove_proxy ~117

Stop reverse-proxying a subdomain, so the edge no longer serves the backend or terminates TLS for it. The name stays registered on the account.

NameTypeReqDescription
domainstring–Which domain to act under: 'makes.fyi' (the default) or 'agentdomains.co'. The same label can exist under each, so pass this whenever you are not using the default.
labelstringyesThe subdomain label, without the domain suffix (e.g. 'myapp' for myapp.makes.fyi).

No output schema declared.

No examples provided.

set_forward ~362

Forward (HTTP-redirect) a subdomain to another URL. Claims the label first if you do not own it yet, in which case an email may be required exactly as for claim_domain. Defaults to a 302 temporary redirect that preserves the request path and query. HTTPS at the edge is handled for you. A forward TAKES OVER the hostname: any A/AAAA/CNAME record on the label itself is deleted as part of this call and returned in 'replaced_records' — report those to the user, since the name no longer points where it did. Records on a sub-label (www.myapp.makes.fyi) and TXT records are untouched. If the forward fails to come up the replaced records are restored, with new ids.

NameTypeReqDescription
cloakboolean–Keep the AgentDomains hostname in the address bar and load the target inside a frame. Discouraged — breaks many sites.
domainstring–Which domain to act under: 'makes.fyi' (the default) or 'agentdomains.co'. The same label can exist under each, so pass this whenever you are not using the default.
emailstring–Email, if this call also claims a new name on an account without one.
labelstringyesThe subdomain label, without the domain suffix (e.g. 'myapp' for myapp.makes.fyi).
permanentboolean–Use a 301 permanent redirect instead of the default 302 temporary one.
preserve_pathboolean–Append the incoming path and query to the target. Defaults to true; set false to always land on the target root.
targetstringyesDestination URL, including scheme (e.g. https://example.com/docs).

No output schema declared.

No examples provided.

set_proxy ~301

Serve a backend at this subdomain through the AgentDomains edge, which terminates TLS with its own certificate — this is how you get working HTTPS on an origin that has no certificate of its own (a bare IP-less PaaS host, a tunnel, an internal box). Unlike a forward, the URL stays on your domain and the response is proxied, not redirected. Claims the label first if needed. Like a forward, a proxy TAKES OVER the hostname: A/AAAA/CNAME records on the label itself are deleted and returned in 'replaced_records', while sub-label and TXT records are untouched. A proxy and a forward are mutually exclusive on one label. Caveat: apps that hardcode their own hostname (OAuth callbacks especially) may need your new hostname registered on their side.

NameTypeReqDescription
domainstring–Which domain to act under: 'makes.fyi' (the default) or 'agentdomains.co'. The same label can exist under each, so pass this whenever you are not using the default.
emailstring–Email, if this call also claims a new name on an account without one.
labelstringyesThe subdomain label, without the domain suffix (e.g. 'myapp' for myapp.makes.fyi).
originstringyesBackend hostname to proxy to, without a scheme (e.g. myapp.fly.dev). Must be a hostname, not an IP.

No output schema declared.

No examples provided.

signup ~111

Create a new AgentDomains account and get an API key. Requires no existing key. IMPORTANT: the returned api_key is shown ONCE and is never retrievable again — you must store it immediately (save it to ~/.agentdomains/config.json or set AGENTDOMAINS_API_KEY) or the account is lost. The account is provisional: attach and confirm an email within 30 days (see the attach_email tool) or it is deleted along with its domains. This endpoint is rate-limited per IP address.

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

upgrade_to_pro ~180

Get a Stripe checkout link for AgentDomains Pro: 100 names instead of the free 10, names never released for being unreachable, and priority email support, for $5/month (or $48/year with interval 'year'). Use this when a claim is refused because the account is at its name limit and the user wants more. It only returns a link and never charges anything: a human must open the URL and pay. Show them the url and say what Pro costs; do not open it or pay on their behalf. If the account is already Pro the answer has kind:'portal' and a link to manage the subscription instead. Answers 404 'billing is not enabled' on a server that does not sell Pro.

NameTypeReqDescription
intervalstring–Billing interval: 'month' ($5, the default) or 'year' ($48).

No output schema declared.

No examples provided.

whoami ~117

Show the current account: id, state, attached email and whether it is verified, domains used, and which domains are available to claim under. When quotas are disabled the response omits 'quota' and says unlimited:true; 'max_subdomains' is the separate hard cap on how many names one account may hold at once (10 on the free plan, 100 on Pro). 'plan' is 'free' or 'pro'; when Pro is on sale a free account also gets an 'upgrade' hint (see upgrade_to_pro).

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

Install

How do I install the AgentDomains MCP server?

AgentDomains is a hosted endpoint at https://mcp.agentdomains.co/, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

remote · mcp.agentdomains.co

# add to Claude Code
claude mcp add --transport http tashfeenahmed-agentdomains-mcp 'https://mcp.agentdomains.co/'
Common questions

What is the AgentDomains MCP server?

AgentDomains is an MCP server listed in the public MCP registry as io.github.tashfeenahmed/agentdomains-mcp. Free domains under makes.fyi or agentdomains.co for the sites and APIs AI agents build. This page covers its hosted endpoint (https://mcp.agentdomains.co).

Is the AgentDomains MCP server safe to use?

AgentDomains scores 70 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.

What tools does the AgentDomains MCP server expose?

AgentDomains exposes 19 tools: check_availability, signup, whoami, attach_email, claim_domain, and 14 more. Their descriptions and schemas cost roughly 3,291 tokens of context every time the server is loaded.

Does the AgentDomains MCP server require authentication?

No. We connected to AgentDomains without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.

Is the AgentDomains MCP server still maintained?

AgentDomains is still listed as active in the MCP registry. We last reached this channel on 22 October 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.