PCFHub
Description
Find Power Apps PCF controls, read their docs, and validate pcfhub.json manifests.
What our measurements say
PCFHub is a remote MCP server published at pcfhub.dev. It has been probed 6 times since 9/14/2026. It answered in 6 of them (100.0%), a near-uninterrupted record. Median response time is 1,014 ms, a delay an agent will notice. It offers a narrow, focused set of 8 tools. On the protocol side it still runs 2025-11-25 and has not moved to the newer spec.
Agent readability score
Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.
Agent readability score
Strengths
- Tool names are descriptive and align with their purposes (e.g., 'search', 'validate_manifest').
- Parameters are clearly defined with types and required/optional flags.
Weaknesses
- Some descriptions lack explicit use-case guidance (e.g., 'list_components' could clarify primary use scenarios).
- Tool overlap exists (e.g., 'search' vs. 'list_components' for component discovery).
list_components— Parameter 'sort' lacks examples of valid values (e.g., 'relevance', 'date').get_doc_page— No mention of error handling for invalid 'section' or 'slug' inputs.
Verdict
Event narrative
Risk: low
- 2026-09-14T06:26:32.997Z — smokeOk changed from null to true · Indicates a temporary resolution of reliability check status
- 2026-09-14T08:31:43.472Z — smokeOk changed from true to null · Suggests recurring instability in reliability verification
Advice
Schema compliance
tools/list structure, inputSchema validity, and a functional smoke test — the components of the 0-100 score.
- tools/list schema valid
- inputSchema is valid JSON Schema
- Smoke test passed · last run:
- Cold-start: cold 338ms → warm 329ms (penalty 9ms)
Tools
Tools the server advertised in the latest measurement — measured, not catalog-claimed.
searchFull-text search across every published PCF control and its documentation. Use it first when you know what a control should do but not what it is called. Returns components and doc pages, each with a snippet and a URL.
querystringrequiredlimitinteger
list_componentsBrowse the PCFHub catalog with optional filters: a text query, category slug, tag slugs, author slug and control type. Paged; returns each control's slug, name, tagline, control type, latest version and URL. Use list_taxonomy to discover valid category, tag and author slugs.
querystringcategorystringtagsarrayauthorstringcontrol_typestringsortstringpageintegerper_pageinteger
get_componentEverything about one control by its slug: what it does, its control type, license and repository, the current release's properties (name, type, usage, required, description) and download links for its solutions. Optionally includes the release history and related controls.
slugstringrequiredversionstringinclude_versionsbooleaninclude_relatedboolean
list_doc_sectionsThe documentation sections a control has — overview, installation, canvas, model_driven, examples, limitations and so on. Call get_doc_page with one of the returned sections to read it.
slugstringrequired
get_doc_pageRead one documentation section of a control as Markdown — installation steps, canvas or model-driven configuration, examples, limitations. Use list_doc_sections first to see which sections exist.
slugstringrequiredsectionstringrequiredversionstring
list_taxonomyThe category tree, every tag in use, or every author with a published control — each with its slug and how many controls it has. Use the slugs as filters in list_components.
kindstringrequired
list_releasesThe most recent releases across every control on PCFHub, newest first: which control, which version, whether it is a prerelease, and when it shipped.
limitinteger
validate_manifestCheck the contents of a pcfhub.json against PCFHub's rules before a release. Returns whether it is valid, plus errors that block publishing and warnings that do not, each with the JSON pointer it applies to.
manifeststringrequired
Availability history
Event log
Derived by comparing consecutive probes — changes in era, protocol version, build and reachability.
- Added to watch — era: Legacy
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