Performix Site is answering right now. Last checked 11 min ago. It exposes 11 tools.
Read-only MCP access to performix.app's public capability guides and book corpus.
The linked repository no longer exists on GitHub — it was deleted or made private.
Uptime history
39 hours of history · worst hour 80%
39 hours agonow
98.9%
Uptime 24h
91 of 92 checks
11
Tools
read from the server
335 ms
Response time
average over 24h
open, no key
Access
streamable-http
What changed 10
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 9 September 2026. No other catalogue keeps this.
9 Sep
7 tools appeared
get_evidence_source, get_guide_part, get_membership_offer and 4 more
9 Sep
a tool changed version2 times that day
9 Sep
a tool description was rewritten
get_guide
and 1 more, back to 9 September 2026
Performix Site does not always answer
Over the last week it answered 99.3% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.
Connect this server
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 11 min ago.
run in your terminal
claude mcp add performix-site --transport http https://performix.app/api/mcp~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"performix-site": {
"url": "https://performix.app/api/mcp"
}
}
}~/.codex/config.toml
[mcp_servers.performix-site]
url = "https://performix.app/api/mcp".cursor/mcp.json
{
"mcpServers": {
"performix-site": {
"url": "https://performix.app/api/mcp"
}
}
}.vscode/mcp.json
{
"mcpServers": {
"performix-site": {
"url": "https://performix.app/api/mcp"
}
}
}Available tools 11
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
guide
get_guide
Get the full free content of one capability guide by slug (from list_guides) — the five-movement Bicycle guide structure (Orient, Map, Master, Reflect, Measure): the pitch/overview, every load-bearing section (summary, why it matters, misconception/reality, how-to, watch-out-fors, grounding), the open tensions in the corpus, and the sources grounding it. This is the same content rendered publicly at performix.app/guide/<slug> — never the entitlement-gated 'depth' layer.
get_guide_part
Get the full body of one Team Performance Science Guide part by slug (from list_guide_parts). Same content rendered at performix.app/learn/<slug>. A part whose `status` is `stub` has no publishable body yet and returns an error rather than a placeholder — check `list_guide_parts`' `status` field first if you want to skip those.
list_guide_parts
List all 12 parts (8 numbered parts + 4 appendices) of the Team Performance Science Guide, Performix's cited public reference on why team performance varies and the CAMS diagnostic frame — same table of contents rendered at performix.app/learn. Each row carries `status` (live | draft | stub) so a caller can see which parts are actually publishable before calling get_guide_part.
evidence
get_evidence_source
Get the full source → finding → construct → survey-item evidence chain for one source by id (from list_evidence_sources): its citation, every finding extracted from it, the constructs derived from each finding, and the survey items derived from each construct. Same content rendered at performix.app/learn/evidence/<id>. HONESTY: the citation is exposed as-is, including the 132 sources still carrying a placeholder title (HO-2431) — `citationPlaceholder` says which.
list_evidence_sources
List the 196 source records behind Performix's Performance Science Library — each a book, paper or corpus item with at least one derived finding, plus which CAMS dimensions (capability/alignment/motivation/support) its findings touch. Same source list rendered at performix.app/learn/evidence. NOTE: 132 of 196 sources carry an upstream placeholder citation title pending backfill (HO-2431) — check `citationPlaceholder` before treating `title`/`venue` as a real bibliographic record. Optional `query` filters by a case-insensitive substring over authors/title/venue; optional `camsDimension` filters to sources with at least one finding filed on that dimension.
outcome
get_outcome_model
Get one outcome's full driver table by id (from list_outcome_models): every driver's name, definition, CAMS dimension, lens role, evidence grade, study count (k), and evidence-reliability tier — plus drivers cited in the corpus with no meta-analytic effect size, and the personas that own this outcome. Same content rendered at performix.app/learn/models/<id>. MEASUREMENT-INTEGRITY (PFX-589, a portfolio standing rule): a driver's `r` is null unless its tier is T3 — this tool withholds exactly what the public page withholds and nothing less; VOI figures and overlap-corrected variance contributions are never exposed by this tool at any tier.
list_outcome_models
List the constructed outcome-model register behind Performix diagnostics — 28 per-outcome factor models generated from principia's meta-analytic library, each with its driver count, grade-A driver count, CAMS filing counts, and persona reach. Same register rendered at performix.app/learn/models. Also returns `namedUnmodellable` — outcomes named in the catalog with no constructed model yet. MEASUREMENT-INTEGRITY (PFX-589): this list carries no effect sizes at all; call get_outcome_model for a driver table, which withholds `r` below evidence tier T3 exactly as the public page does.
book
get_book
Get the full grounded profile for one book/cluster record by slug (from list_books): the record's own argument (contrast-not-summary) plus metadata and cross-links. Same content rendered publicly at performix.app/learn/books/<slug>.
books
list_books
List the performance-science reading corpus behind Performix — book/cluster profiles, each with a stance toward the CAMS diagnostic thesis (ally, orthodoxy, mixed, leave-out) and a one-line argument summary. Optional `query` filters by a case-insensitive substring match against title, authors, tradition and blurb.
guides
list_guides
List the public, grounded capability guides published on performix.app/guide — each a cross-book model of the evidence for one hard executive capability (e.g. leading an R&D team). Free to read in full; no auth required.
membership
get_membership_offer
Get performix.app's Bicycle Cooperative membership offer for the Performance Leadership chapter — five options (enterprise member, practitioner member, worker, practitioner rent, enterprise rent) with chapter-substituted copy, resolved action labels, and the join URL. Membership options collect interest only until counsel clears; rent options show proposed pricing until confirmed. No payment is taken through this tool.
Endpoints
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://performix.app/api/mcp | streamable-http | answering | 391 ms | 11 min ago |
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Performix Site — questions
Answers built from our own checks of this server.
What can Performix Site do?
It exposes 11 tools, read directly from the server on our last check. Among them: get_book, get_evidence_source, get_guide, get_guide_part, get_membership_offer, get_outcome_model and 5 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README.
How MCP servers expose tools in the first place →
What is Performix Site mostly used for?
Its tools cluster around guide, evidence and outcome. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.
Is Performix Site working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 92 checks got a reply (98.9%), average response time 335 ms. The bar chart above shows every period we have measured.
Is Performix Site still maintained?
The linked repository no longer exists on GitHub — it was deleted or made private. We show this because it changes what you can expect: an unmaintained server may keep answering for months and then stop without warning.
How do I connect Performix Site?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Performix Site need an API key?
No. Performix Site completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 11 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Performix Site?
It answers our handshake in 335 ms on average, which is faster than 49% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.