haggl.ai

by haggl.ai · https://www.haggl.ai/api/mcp

Ask a merchant's haggl.ai sales agent for a personalized offer, then hand it to checkout.

12 tools✓ no account neededPricing: on their site

See pricing →Visit website

95 /100

PASS · WITH NOTES

11 of 11 checks · 23 Oct 2026

What it can do

12 tools, in the server's own words.

haggl_list_vendorsread-only

List vendors that accept AI-agent price negotiations through haggl.ai.

haggl_start_negotiation

Start a price negotiation with a vendor.

haggl_search_catalogread-only

Search a vendor's catalog so the offer can name exact products, then follow the how_to_ask field of the result.

haggl_get_negotiationread-only

Read the canonical state, current offer version, guidance and permitted actions of an existing negotiation.

haggl_submit_offer

Request a quote using all context already available.

haggl_accept_offer

Accept the vendor's offer and lock in the deal.

haggl_search_discountsread-only

Find merchants that run a sales agent on haggl.ai, by business name, website or kind of product.

haggl_create_haggl_id

Create a haggl ID for the user, so offers and codes from different merchants stay together and can be read back later.

haggl_request_haggl_id_confirmation

Get a link for the user to read the haggl ID consent text and confirm it on haggl.ai, when they are not in this conversation to agree to it.

haggl_get_my_offersread-only

Read what haggl.ai holds for the user's haggl ID: when it was created and the negotiations, offers and codes linked to it, newest first.

haggl_get_bids

Have the merchants on haggl.ai in one shopping category (for example travel) bid for the user at once, from their haggl ID record, without new proof.

haggl_delete_haggl_id

Delete the user's haggl ID and unlink the offers linked to it.

Test results

Safe mode: only tools labeled read-only were run. How the test works

!
Ready for the newest MCP version
1 warning
- !Uses an older MCP version (2025-06-18). It works today, but it isn't on the July 2026 version (2026-07-28) yet.
note
✓
ConnectsConnected in 504 ms
pass
✓
Lists its toolsFound 12 tools
pass
✓
Every tool is describedAll 12 tools and their inputs are described
pass
✓
Tools are labeled safe or dangerousEvery tool has a safety label
pass
✓
No hidden instructionsNo hidden instructions found in tool descriptions
pass
✓
Tools work with good inputs
All good
- ✓haggl_list_vendors: Worked (484 ms)
- ✓haggl_search_catalog: Answered with an error, probably because of our sample input: {"error":"Vendor not found"} {"error":"Vendor not found"}
- ✓haggl_get_negotiation: Answered with an error, probably because of our sample input: {"error":"Session not found"} {"error":"Session not found"}
- ✓haggl_search_discounts: Worked (908 ms)
- ✓haggl_get_my_offers: Answered with an error, probably because of our sample input: {"error":"Malformed haggl ID.","code":"invalid_haggl_id"} {"error":"Malformed haggl ID.","code":"invalid_haggl_id"}
- –haggl_start_negotiation: Not run: labeled as changing data
- –haggl_submit_offer: Not run: labeled as changing data
- –haggl_accept_offer: Not run: labeled as changing data
- and 4 more
pass
✓
Bad inputs give a clean error
All good
- ✓haggl_search_catalog: Refused missing required input "vendor_id" with a clear error
- ✓haggl_search_catalog: Refused wrong type for "vendor_id" with a clear error
- ✓haggl_get_negotiation: Refused missing required input "session_id" with a clear error
- ✓haggl_get_negotiation: Refused wrong type for "session_id" with a clear error
- ✓haggl_search_discounts: Refused missing required input "query" with a clear error
- ✓haggl_search_discounts: Refused wrong type for "query" with a clear error
- ✓haggl_get_my_offers: Refused missing required input "haggl_id" with a clear error
- ✓haggl_get_my_offers: Refused wrong type for "haggl_id" with a clear error
pass
✓
Tools work together
2 chains working
- ✓haggl_list_vendors → haggl_search_catalog: haggl_search_catalog found what haggl_list_vendors returned (vendor_id = "bc-4b01a24ad822994d4e319afadc4b4b4a")
- ✓haggl_search_discounts → haggl_search_catalog: haggl_search_catalog found what haggl_search_discounts returned (vendor_id = "wix-2b591acb81fc7b6f42dcd26d7d5c9f76")
pass
✓
Fast enough
All good
- ✓Connecting took 504 ms
- ✓Listing tools took 67 ms
- ✓Average tool answer: 566 ms
- ✓haggl_search_catalog: Slowest tool: haggl_search_catalog (1.1 s)
pass
✓
No secrets leakedChecked 13 error messages: no secrets or internal details
pass

Test it yourself

Free and open source. Same checks, same score.

npx qamcp-cli https://www.haggl.ai/api/mcp

Score over time

17 Oct 202695
18 Oct 202695
23 Oct 202695

Reviews

Coming soon: reviews from people who use haggl.ai, signed in with GitHub, one per person. Reviews never change the score.

Is this your server?

Soon you can claim this page: re-test it from here, reply to results, and show a "Tested by QAmcp" badge.

Have a concern, or want it removed? Ask us and we'll take it off the list. How the directory works