MCP-Server

chartlink

            io.github.oscarleoo/chartlink
        

Daten & Analytik Design & Kreativ Entwicklertools Öffentlich und erreichbar MCP 2025-11-25

Was dieses MCP kann

Creates, styles, publishes, embeds, and automatically refreshes charts and tables from inline data or scheduled external data sources.

check_template_data

Dry run: would this data and these knobs work with the template? Creates nothing

Matches every region value against the template's geography and reports unmatched values with the closest real codes, how many regions would stay grey, and the scale the map would use. No key needed. Use it when unsure of the codes; then create_from_template with the same data and knobs.

Destruktiv

Eingabeschema

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['template', 'data'], 'properties': {'data': {'type': 'object', 'required': ['columns', 'rows'], 'properties': {'rows': {'type': 'array', 'items': {'type': 'array', 'items': {'type': ['string', 'number', 'boolean', 'null']}}, 'description': 'Row-major values, one array per row, order matching columns'}, 'columns': {'type': 'array', 'items': {'type': 'object', 'required': ['id', 'type'], 'properties': {'id': {'type': 'string', 'minLength': 1, 'description': 'Column identifier referenced by encodings'}, 'type': {'enum': ['string', 'number', 'date', 'boolean'], 'type': 'string', 'description': 'date columns parse ISO-ish strings on their own: "2024", "2024-03", "2024-03-15", "2024-Q2", full ISO timestamps, or epoch numbers. Anything else needs dateFormat.'}, 'label': {'type': 'string', 'description': 'Display label; defaults to id'}, 'dateFormat': {'type': 'string', 'description': 'For date columns whose strings are NOT ISO-ish: a strftime-style parse hint tried first — tokens %Y %m %d %b %B %q %H %M %S, e.g. "%d/%m/%Y" for "15/03/2024", "%b %Y" for "Mar 2024". Removes the day/month guess; ISO-ish strings never need it.'}}, 'additionalProperties': False}, 'minItems': 1}}, 'description': 'The data you intend to send', 'additionalProperties': False}, 'knobs': {'type': 'object', 'propertyNames': {'type': 'string'}, 'additionalProperties': {}}, 'template': {'type': 'string', 'description': 'Template id, slug, or page address (sweden/municipalities)'}}}

create_edit_link

Mint a no-login tweak link — hand it to your human

Returns a URL opening the visual tweak panel for ONE chart (text, colors, spacing, label nudges) with no login. PUBLISH FIRST: the editor saves and republishes a published chart, it cannot publish a draft. Scope: view, tweak, and republish that chart only — never delete, never spend credits, nothing else in the workspace. OFFER THIS whenever the human's request is aesthetic fine-tuning: handing over the wheel beats a nudge-by-nudge back-and-forth. The secret is shown once; links don't expire and can be revoked with revoke_edit_link.

Eingabeschema

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['id'], 'properties': {'id': {'type': 'string', 'description': 'ast_...'}}}

create_from_template

Create a chart from a template with your data and a few knobs — returns an inline preview

The template's design, your data, your words. `knobs` are the template's settings (get_template shows the schema): theme light|dark|editorial, dataType gradient|buckets|categories and surroundings true|false (then waterColor, landColor) for maps, title/description/source/brand {text, fontFamily, fontSize, color}, backgroundColor, and the scale knobs for the dataType (colormap and direction, range, breaks or classes, categoryColors/categoryOrder). data = {columns: [{id, type}], rows: [[…]]}: use the template's column ids, or exactly two columns (region first, value second) for a map. publish: true makes the URLs live in the same call. A success means it validated AND rendered — look at the preview. Region values that match nothing come back as a 400 listing each with its closest real codes, before anything is made — no separate check needed. `config` is the advanced path: the engine's settings, merged after the knobs.

Eingabeschema

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['template', 'data'], 'properties': {'data': {'type': 'object', 'required': ['columns', 'rows'], 'properties': {'rows': {'type': 'array', 'items': {'type': 'array', 'items': {'type': ['string', 'number', 'boolean', 'null']}}, 'description': 'Row-major values, one array per row, order matching columns'}, 'columns': {'type': 'array', 'items': {'type': 'object', 'required': ['id', 'type'], 'properties': {'id': {'type': 'string', 'minLength': 1, 'description': 'Column identifier referenced by encodings'}, 'type': {'enum': ['string', 'number', 'date', 'boolean'], 'type': 'string', 'description': 'date columns parse ISO-ish strings on their own: "2024", "2024-03", "2024-03-15", "2024-Q2", full ISO timestamps, or epoch numbers. Anything else needs dateFormat.'}, 'label': {'type': 'string', 'description': 'Display label; defaults to id'}, 'dateFormat': {'type': 'string', 'description': 'For date columns whose strings are NOT ISO-ish: a strftime-style parse hint tried first — tokens %Y %m %d %b %B %q %H %M %S, e.g. "%d/%m/%Y" for "15/03/2024", "%b %Y" for "Mar 2024". Removes the day/month guess; ISO-ish strings never need it.'}}, 'additionalProperties': False}, 'minItems': 1}}, 'description': "Typed columns + row-major rows, shaped like the template's example", 'additionalProperties': False}, 'knobs': {'type': 'object', 'description': "The template's knobs — get_template returns their schema", 'propertyNames': {'type': 'string'}, 'additionalProperties': {}}, 'config': {'type': 'object', 'description': 'ADVANCED: engine settings deep-merged after the knobs', 'propertyNames': {'type': 'string'}, 'additionalProperties': {}}, 'publish': {'type': 'boolean', 'description': 'true = published and live in this call; omit while you iterate'}, 'template': {'type': 'string', 'description': 'Template id or slug from list_templates, or the page address (sweden/municipalities, us/texas/counties, london/wards) when you know the place'}}}

get_template

One template's contract: knobs, columns, region codes, an example call

Read this before create_from_template. Returns the template with `contract`: its looks (theme × dataType × surroundings), the knobs JSON Schema, the columns with their roles, the region-code convention with three real codes and a lookup URL, what each dataType expects of the value column, and a complete example call whose shape you copy. Takes an id, the page slug, or the page address as on chartlink.app/maps — sweden/municipalities, us/texas/counties, london/wards — so you can skip list_templates when you know the place.

Nur Lesen Idempotent

Eingabeschema

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['id'], 'properties': {'id': {'type': 'string', 'description': 'Template id (ast_…), slug, or page address (place/level)'}}}

list_templates

Templates by need — search, then start a chart from the best match

Templates are named by the NEED they answer (need, asks, tags), each with urls.png (show it to your human) and `columns`: the column ids your data must supply. Pass q with what the person asked for — "map of brazil's states", "ranked bars with flags", "change between two years" — and the list comes back ranked; take the first. Then create_asset with template: <id> and your data — the whole design comes along. Any chart id you were shown works as a template too, not only these.

Nur Lesen Idempotent

Eingabeschema

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'q': {'type': 'string', 'description': "What is needed, in the person's words"}, 'tags': {'type': 'string', 'description': 'Comma-separated tags every result must carry, e.g. map,united-states'}, 'type': {'type': 'string', 'description': 'Only this asset type, e.g. "bar"'}, 'limit': {'type': 'integer', 'maximum': 200, 'minimum': 1, 'description': 'At most this many, best first (default 20)'}}}

publish_asset

Publish — snapshot a version and update every embed

Makes the draft live. Returns urls: paste urls.embedIframe on iframe platforms; on Substack insert urls.png as an image and link it to urls.page. Pinned history: urls.png + '?v=N'.

Destruktiv

Eingabeschema

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['id'], 'properties': {'id': {'type': 'string'}, 'note': {'type': 'string'}, 'premium': {'type': 'boolean', 'description': 'Spend one paid credit to publish as premium (2400px, SVG, your branding, no badge) in this call'}}}

signup

Get an API key — no account, one call

Creates a workspace and returns its API key (shown ONCE — keep it). Works on a keyless connection; every other tool needs the key. Then put the key where your client keeps it (plugin api_key setting, the Authorization header, or CHARTLINK_API_KEY for the npx bridge) and reconnect.

Eingabeschema

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'ref': {'type': 'string', 'description': 'Where you heard of chartlink — free text'}, 'name': {'type': 'string', 'description': 'A name for the workspace (the project, the newsletter…)'}}}

submit_feedback

Report a gap — don't silently give up

If a capability is missing, a schema fights you, or docs are wrong: record it here so the owner can fix it. One report per distinct issue, with a real description — reports get fixed same-day when they say what you tried, what you expected, and what happened (title-only reports can't be acted on).

Eingabeschema

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['type', 'title', 'description'], 'properties': {'type': {'enum': ['bug', 'feature_request', 'limitation', 'documentation_gap', 'other'], 'type': 'string'}, 'title': {'type': 'string'}, 'assetId': {'type': 'string'}, 'description': {'type': 'string', 'minLength': 40, 'description': 'What you tried, what you expected, what happened instead — include the asset id if one is involved'}}}

update_asset

Update a draft (deep-merge patch, or replace the config) — returns an inline preview image

configPatch is DEEP-MERGED: objects merge recursively, arrays replace wholesale, null clears a key — send only what changes. To REMOVE keys (drop document.aspect, delete one of texts[]) pass `config` instead: it REPLACES the whole config (get_asset returns the current one to edit). `data` (if given) replaces rows wholesale. Requires expectedVersion from the last envelope; on 409 re-merge onto the returned `current`. Updating does NOT publish by default — pass publish: true to publish in the same call, or call publish_asset separately.

Destruktiv

Eingabeschema

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['id', 'expectedVersion'], 'properties': {'id': {'type': 'string'}, 'data': {'type': 'object', 'required': ['columns', 'rows'], 'properties': {'rows': {'type': 'array', 'items': {'type': 'array', 'items': {'type': ['string', 'number', 'boolean', 'null']}}, 'description': 'Row-major values, one array per row, order matching columns'}, 'columns': {'type': 'array', 'items': {'type': 'object', 'required': ['id', 'type'], 'properties': {'id': {'type': 'string', 'minLength': 1, 'description': 'Column identifier referenced by encodings'}, 'type': {'enum': ['string', 'number', 'date', 'boolean'], 'type': 'string', 'description': 'date columns parse ISO-ish strings on their own: "2024", "2024-03", "2024-03-15", "2024-Q2", full ISO timestamps, or epoch numbers. Anything else needs dateFormat.'}, 'label': {'type': 'string', 'description': 'Display label; defaults to id'}, 'dateFormat': {'type': 'string', 'description': 'For date columns whose strings are NOT ISO-ish: a strftime-style parse hint tried first — tokens %Y %m %d %b %B %q %H %M %S, e.g. "%d/%m/%Y" for "15/03/2024", "%b %Y" for "Mar 2024". Removes the day/month guess; ISO-ish strings never need it.'}}, 'additionalProperties': False}, 'minItems': 1}}, 'description': 'Typed columns + row-major rows. A date column whose strings are not ISO-ish takes dateFormat (e.g. "%d/%m/%Y").', 'additionalProperties': False}, 'brand': {'type': ['string', 'null']}, 'title': {'type': 'string'}, 'config': {'type': 'object', 'description': 'REPLACES the whole config — the way to remove keys; applied before configPatch if both are given', 'propertyNames': {'type': 'string'}, 'additionalProperties': {}}, 'publish': {'type': 'boolean', 'description': 'true = publish immediately after this update succeeds (one call instead of two)'}, 'showcase': {'type': 'boolean', 'description': 'Offer this chart as a template in the public gallery and list_templates (once published). Workspace keys only.'}, 'configPatch': {'type': 'object', 'description': 'Deep-merged onto the current config', 'propertyNames': {'type': 'string'}, 'additionalProperties': {}}, 'expectedVersion': {'type': 'integer', 'maximum': 9007199254740991, 'minimum': 1}}}

whoami

Verify your API key

Returns key name + workspace. Call this first — non-destructive auth check. Everything you write is stamped createdBy/updatedBy = key name.

Nur Lesen Idempotent

Eingabeschema

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}}

Geändert

                            update_asset
                        

1. October 2026 02:48

Geändert

                            create_from_template
                        

1. October 2026 02:48

Geändert

                            check_template_data
                        

1. October 2026 02:48

Geändert

                            create_from_template
                        

25. September 2026 02:55

Geändert

                            check_template_data
                        

25. September 2026 02:55

Geändert

                            get_template
                        

25. September 2026 02:55

Entfernt

                            upgrade_to_premium
                        

23. September 2026 02:47

Entfernt

                            update_brand
                        

23. September 2026 02:47

Entfernt

                            unpublish_asset
                        

23. September 2026 02:47

Entfernt

                            set_data_source
                        

23. September 2026 02:47

Entfernt

                            revoke_edit_link
                        

23. September 2026 02:47

Entfernt

                            replace_asset_data
                        

23. September 2026 02:47

Entfernt

                            list_geographies
                        

23. September 2026 02:47

Entfernt

                            list_brands
                        

23. September 2026 02:47

Entfernt

                            list_asset_types
                        

23. September 2026 02:47

Entfernt

                            list_assets
                        

23. September 2026 02:47

Entfernt

                            get_spec_schema
                        

23. September 2026 02:47

Entfernt

                            get_billing
                        

23. September 2026 02:47

Entfernt

                            get_asset
                        

23. September 2026 02:47

Entfernt

                            fetch_data_source
                        

23. September 2026 02:47

Entfernt

                            duplicate_asset
                        

23. September 2026 02:47

Entfernt

                            delete_asset
                        

23. September 2026 02:47

Entfernt

                            create_checkout_link
                        

23. September 2026 02:47

Entfernt

                            create_brand
                        

23. September 2026 02:47

Entfernt

                            create_asset
                        

23. September 2026 02:47

Entfernt

                            clear_data_source
                        

23. September 2026 02:47

Hinzugefügt

                            create_from_template
                        

23. September 2026 02:47

Hinzugefügt

                            check_template_data
                        

23. September 2026 02:47

Hinzugefügt

                            get_template
                        

23. September 2026 02:47

Geändert

                            list_templates
                        

23. September 2026 02:47

Serverdetails

Version

0.1.2

Transport

Streamable HTTP

Tools

Latenz

2236 ms

Letzter Scan

1. October 2026 02:48

Erstmals gesehen

17. September 2026 02:18

Endpunkt

https://chartlink.app/mcp

Letzte Scans

Erfolgreich

1. October 2026 02:48

Erfolgreich

29. September 2026 02:56

Erfolgreich

27. September 2026 02:47

Erfolgreich

25. September 2026 02:55

Erfolgreich

23. September 2026 02:47

Erfolgreich

21. September 2026 02:53

Erfolgreich

19. September 2026 02:44

Erfolgreich

17. September 2026 12:45

chartlink

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