MCP Server Discovery - November 2, 2026 (Midday Supplement)¶
Summary¶
One hour after the midday pass, fired on the 11:00 MST tick, so this is a supplement rather than a second read of the same surfaces. The midday pass had already shipped Versum MCP from the submission window and dispositioned the mcp.so cards and the mcpservers.org page, and none of that is re-argued here. What this pass adds is one guide, three submissions that landed after the earlier read, a correction to an existing guide, and measurements where the earlier pass had grouped names without probing them.
One arrival earned a guide. AttriKit MCP is the first entry in this catalogue that closes the loop from ad spend to app install to subscription revenue to a budget decision, and the decision is computed by the attribution engine rather than by the model: get_campaign_decision returns the engine's call verbatim and record_campaign_decision stores it with the inputs that produced it.
The correction is worth more than most new entries. The catalogued Builders in Fintech server now returns 23 tools from a live tools/list where the guide recorded 19, and the guide is fixed in the same commit rather than left to drift.
Sources Swept¶
| Source | Read | Result |
|---|---|---|
| chatmcp/mcpso issue window | one authenticated call, bodies included | #6585 to #6623 read in full; the three at the top, Publish MCP #6621, norc #6622 and Lingard Vocab #6623, landed after the midday read |
mcp.so homepage recentServers |
direct, --compressed, TanStack block |
the same five cards above the night stamp of 2026-11-02T09:04:11Z, from paperjoy-01f7bf at 14:39:24Z down to eddyter-ai-rich-text-editor-mcp at 11:13:20Z |
mcpservers.org /all |
r.jina.ai, read twice | 18,887 live on both reads, the counter the midday pass had already reached; hologramxyz/avastudio-mcp and perisclaw-mcp at the top |
| Endpoint probes | keyless JSON-RPC | 200 on 442ball (12 tools) and builders-in-fintech (23 tools); 401 on avastudio, paperjoy, forge-by-ui8 and perisclaw |
| Listing surfaces | direct and reader proxy | four mcp.so slugs 404; mcpservers.org live through the proxy; Glama live in the connectors index; official registry active; Smithery API erroring |
New Servers Catalogued¶
AttriKit MCP - App Attribution That Returns a Decision¶
Relevance: HIGH. Package verified, tools documented (@attrkit/mcp 2.0.1 on npm with bin attrkit-mcp and a repository field, the MIT repository KamyarTaher/attrikit-mcp whose README carries the full 39-tool table, the MCP setup page publishing the same inventory and the same count, and the pricing page publishing the free allowance in its headline). There is no hosted endpoint and the package is stdio only, so no tool was called; the guide states that tier rather than implying a driven session.
The product is web-to-app attribution for iOS and Android apps that buy ads, and the MCP server is a thin client over the vendor's Management API with the tenant scope resolved from the management key, which can be workspace or app scoped and read only or read write.
The decision is the part that distinguishes it here. get_campaign_decision returns the attribution engine's call verbatim with the evidence behind it, record_campaign_decision writes the operator's scale, cut or hold confirmation back with the inputs used so it can be graded later, and the vendor states both that the model reports the call rather than recomputing it and that a suggestion is not a profit guarantee. Around that, import_spend, pull_network_spend, set_cost_model and get_spend make ad spend an input the agent can read, and RevenueCat joins purchases, renewals and refunds to installs.
It earns a guide because nothing in 1,085 guides answers the budget question. Mobzio MCP is link level marketplace attribution for one regional seller set and stops at the order; the ad surfaces stop at the creative, with Abyssale generating, AdTest scoring before spend, Ad Library Intelligence and Adspy reading competitors and AdMake joining research to generation and publishing.
Guide: AttriKit MCP
Also Identified (Not Catalogued)¶
The five mcp.so cards above the night stamp were grouped by the midday pass without measurements. They were probed here and stand as measured holds. 442ball answered a keyless initialize 200 as 442ball 0.1.0 with 12 tools over one publication's club Power Ratings (resolve, club_rating, compare_clubs, league_strength, rankings, rating_history, method, club_runs, league_runs, movers, league_index, greatest_sides), held as consumer sports data. forge-by-ui8 answered 401 with OAuth protected-resource metadata and fragments:read and fragments:write scopes, a design-asset retrieval surface held on the design asset class. paperjoy-01f7bf answered 401 Unauthenticated. on https://paperjoy.co/mcp behind 9 listed tools, Poland-only handwritten postcards held on the print-and-post class carried by MailStream. eddyter-ai-rich-text-editor-mcp is a local npx server that stages a React rich text editor into a codebase, held as developer library integration. builders-in-fintech is a relist of the catalogued entry, and its live tools/list returns 23 tools in 21,348 bytes where the guide recorded 19, so the guide count, its FAQ and its last updated date are corrected in this commit.
On /all, hologramxyz/avastudio-mcp answered 401 requiring an x-api-key or a bearer token with protected-resource metadata, a growth surface over TikTok breakout detection, the account's own best ads, briefs carrying the source videos, video-model prompting and a monthly credit budget set at consent, with 76 tool annotations in its listing snapshot, held on the ad creative class because AdMake AI MCP already joins research to generation and publishing and Adspy MCP already covers organic posts later run as ads. perisclaw-mcp answered 401 Missing Authorization header on https://api.perisclaw.com/mcp/plugin, personal WhatsApp catch-up, search and reply behind read-only or read-write consent, held on the read-only messaging archive slice carried by Kaption WhatsApp and the WhatsApp Business class carried by whatsapp-business-tools-mcp.
The three submissions that landed after the midday read are held on the same classes as their neighbours. Publish MCP (#6621) publishes to the operator's own social accounts with a preview before every post behind OAuth 2.1, held against the six catalogued schedulers. norc (#6622) manages cron jobs, machines and run history behind a bearer key at https://mcp.norc.app/mcp, held on the cron and uptime class carried by WatchCron MCP, healthchecks-mcp, realuptime-mcp and hosttracker-mcp, which monitor jobs rather than edit them, so the pair is worth a second look if an operator ever needs to change a schedule from chat. Lingard Vocab (#6623) is a language-learning app with anonymous discovery and OAuth 2.1 for tool calls, held beside the Japanese Skills precedent.
Core Listing Verification¶
| Surface | Result |
|---|---|
| mcp.so four direct slugs | 404 on /server/corpusiq, /server/corpusiq-io, /server/corpusiq-mcp and /server/io.corpusiq, unchanged |
mcpservers.org /servers/corpusiq-io |
live, read through the r.jina.ai proxy; a direct fetch answers 403 to a plain client, which is the Cloudflare wall rather than a delisting |
| Glama | live in the connectors index at /mcp/connectors/io.corpusiq/multi-source-mcp |
| Official MCP registry | io.corpusiq/multi-source-mcp active, published 2026-05-25 |
| Smithery | the registry API answered an error this run, recorded as not readable rather than not listed |
Verification¶
- AttriKit is documented from its own package, repository and pricing page, and the guide names what was not measured: the decision payload, the confidence field, the evidence labels and real spend import latency. No tool was called and the entry says so.
- The Builders in Fintech count is corrected from a live
initializeandtools/list(23 tools against 19 in the guide), with the FAQ and the last updated date changed in the same commit. - The five directory cards and the two
/allarrivals carry probe results rather than grouped assertions, and the four gated endpoints are recorded as 401 rather than as absent surfaces. - Guide tree counted from disk: 1,085 server directories before this supplement, 1,086 after it.