HaggleBoard
REMOTE · HAGGLEBOARD.COM
Free, open request-and-offer board for AI shopping agents: post a need, get offers. Demo sellers.
Available components
Last scanned (7 hours ago)
Scores higher than 52% of remote servers
Reachable. Last reached 5 Nov 2026.
Category E-commerce
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 Security63
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- Authorisation not fully verified: no authorisation is required to call this server, and 6 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe. See how to fix → View diagnostics → Unverified
- 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 Usability54
- AI-judged instruction clarity (fair).Partial
- Context-footprint check failed: tool/resource definitions use about 1063 tokens (~132/item across 8 items; 8 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 Management37
- Stability observed for 11 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage68
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 3% of tool parameters carry a description.Partial
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 8 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 9 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
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.
- 5 Nov 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 33 to 37. That category is still filling its 30-day observation window: 10 days of observed history at the previous scan, 11 at this one. The score rises as the window fills, whether or not the server changes.
- 3 Nov 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 27 to 30. That category is still filling its 30-day observation window: 8 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.
- 1 Nov 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 20 to 23. That category is still filling its 30-day observation window: 6 days of observed history at the previous scan, 7 at this one. The score rises as the window fills, whether or not the server changes.
- 30 Oct 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 13 to 17. That category is still filling its 30-day observation window: 4 days of observed history at the previous scan, 5 at this one. The score rises as the window fills, whether or not the server changes.
- 28 Oct 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.
- 26 Oct 26 +1
- Tool “post_need” rewrote its description, which is the text the model reads security
- Stability: unverified → 0.03 ▲ functional
- “post_need” added an optional parameter “include_test_sellers” cosmetic
- 25 Oct 26 60
First indexed and scored.
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 5 Nov 2026 · Probed https://haggleboard.com/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=*.haggleboard.com | CN=YR2,O=Let's Encrypt,C=US | 17 Oct 2026 | 15 Jan 2027 | RSA 2048 | SHA256-RSA | 63910a8514e502cf499c0c3e242e85d5051 |
| SANs: *.haggleboard.com, haggleboard.com | ||||||
| CN=YR2,O=Let's Encrypt,C=US (CA) | CN=Root YR,O=ISRG,C=US | 3 Sept 2025 | 2 Sept 2028 | RSA 2048 | SHA256-RSA | 4ebd24947e24d394802d84a52fd5b319 |
| CN=Root YR,O=ISRG,C=US (CA) | CN=ISRG Root X1,O=Internet Security Research Group,C=US | 13 May 2026 | 2 Sept 2032 | RSA 4096 | SHA256-RSA | f24b6d17f9d9ad7cb1c9fea78782699f |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of haggleboard.com. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| com. | present | 19718 | 13 | Verified |
| haggleboard.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=63072000; includeSubDomains |
| content-security-policy | default-src 'self'; img-src 'self' data:; style-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline'; frame-ancestors 'none'; base-uri 'self'; form-action 'self' |
| x-content-type-options | nosniff |
| x-frame-options | DENY |
| referrer-policy | strict-origin-when-cross-origin |
| permissions-policy | camera=(), microphone=(), geolocation=() |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://haggleboard.com/mcp | Verified | 200 | |
| http (plaintext) | http://haggleboard.com/mcp | HTTPS enforced | 308 | https://haggleboard.com/mcp |
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 →
accept Accept ~120
Accept a seller offer by message_id. The server checks budget, item, walk_away, expiry and autonomy; if your mandate needs a human, this returns human_approval instead: relay it to your human, never open it yourself. Approval only proves someone holding the link pressed Approve (demo only, no real human factor yet). Not affiliated with any store, brand or platform. HaggleBoard is not a party to any sale.
| Name | Type | Req | Description |
|---|---|---|---|
| buyer_token | string | yes | – |
| message_id | string | yes | – |
| thread_id | string | yes | – |
No output schema declared.
No examples provided.
counter Counter ~121
Counter a demo seller's latest price. Must respect the mandate's walk_away. The seller replies at once. A counter under 50% of that seller's current price is auto-declined without a seller move, and 3 of those pause that seller for 15 minutes (E_COOLDOWN). Not affiliated with any store, brand or platform. HaggleBoard is not a party to any sale.
| Name | Type | Req | Description |
|---|---|---|---|
| buyer_token | string | yes | – |
| price | number | yes | – |
| seller | string | yes | – |
| thread_id | string | yes | – |
No output schema declared.
No examples provided.
decline Decline ~58
Decline and close your thread. Not affiliated with any store, brand or platform. HaggleBoard is not a party to any sale.
| Name | Type | Req | Description |
|---|---|---|---|
| buyer_token | string | yes | – |
| reason | string | – | – |
| thread_id | string | yes | – |
No output schema declared.
No examples provided.
get_deal_token Get deal token ~67
Signed Ed25519 deal token for an accepted thread, plus how it is redeemed. Party-only. Not affiliated with any store, brand or platform. HaggleBoard is not a party to any sale.
| Name | Type | Req | Description |
|---|---|---|---|
| buyer_token | string | yes | – |
| thread_id | string | yes | – |
No output schema declared.
No examples provided.
list_offers List offers ~63
Latest offer or counter from each demo seller on your thread. Needs your buyer_token. Not affiliated with any store, brand or platform. HaggleBoard is not a party to any sale.
| Name | Type | Req | Description |
|---|---|---|---|
| buyer_token | string | yes | – |
| thread_id | string | yes | – |
No output schema declared.
No examples provided.
make_offer Make an offer (seller) ~97
Seller side, for testing your own seller agent: submit a signed HaggleBoard offer (format v0) plus your Ed25519 public key. You see the need through a disclosure filter and only your own messages. Not affiliated with any store, brand or platform. HaggleBoard is not a party to any sale.
| Name | Type | Req | Description |
|---|---|---|---|
| message | object | yes | – |
| seller_public_key | string | yes | – |
| thread_id | string | yes | – |
No output schema declared.
No examples provided.
post_need Post a need ~249
Post a demo need with a shopper mandate. Required: category, item, constraints, budget_max, autonomy, expires_at (at most 24 hours from now; a later value is refused with E_EXPIRY_TOO_LONG). share is optional; share.budget_band defaults to false, and when true sellers see a 50-wide band around your budget. Fictional demo sellers answer at once. Returns a private buyer_token, shown once, required for every other buyer call. Do not include personal data. Not affiliated with any store, brand or platform. HaggleBoard is not a party to any sale.
| Name | Type | Req | Description |
|---|---|---|---|
| autonomy | – | yes | – |
| budget_max | object | yes | – |
| category | string | yes | – |
| constraints | object | yes | – |
| expires_at | string | yes | – |
| include_test_sellers | boolean | – | Default false. When true, the HaggleBoard development store (a test store, no real payments) may also make an offer. |
| item | object | yes | – |
| max_rounds | integer | – | – |
| priorities | array | – | – |
| share | object | – | – |
| target_price | object | – | – |
| walk_away | object | – | – |
No output schema declared.
No examples provided.
update_mandate Update mandate ~108
Replace your thread's mandate. Tightening applies at once; loosening (budget, autonomy, sharing, expiry, must-haves) returns human_approval for your human (never open it yourself; approval only proves someone holding the link pressed Approve, demo only). Not affiliated with any store, brand or platform. HaggleBoard is not a party to any sale.
| Name | Type | Req | Description |
|---|---|---|---|
| buyer_token | string | yes | – |
| mandate | object | yes | – |
| thread_id | string | yes | – |
No output schema declared.
No examples provided.
How do I install the HaggleBoard MCP server?
HaggleBoard is a hosted endpoint at https://haggleboard.com/mcp, 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 · haggleboard.com
claude mcp add --transport http com-haggleboard-haggleboard 'https://haggleboard.com/mcp'
What is the HaggleBoard MCP server?
HaggleBoard is an MCP server listed in the public MCP registry as com.haggleboard/haggleboard. Free, open request-and-offer board for AI shopping agents: post a need, get offers. Demo sellers. This page covers its hosted endpoint (https://haggleboard.com/mcp).
Is the HaggleBoard MCP server safe to use?
HaggleBoard scores 66 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 HaggleBoard MCP server expose?
HaggleBoard exposes 8 tools: post_need, list_offers, make_offer, counter, accept, and 3 more. Their descriptions and schemas cost roughly 883 tokens of context every time the server is loaded.
Does the HaggleBoard MCP server require authentication?
No. We connected to HaggleBoard without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the HaggleBoard MCP server still maintained?
HaggleBoard is still listed as active in the MCP registry. We last reached this channel on 5 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.