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Keyframer

R0· no sign-in

150+ React Native animation recipes, scene authoring, phone preview via QR, Reanimated v4 codegen

v1.0.0 · active · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality85good
Trust79of 100
Uptime, 30 days94%
Latency p501317 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "keyframer": {
      "type": "http",
      "url": "https://api.keyframer.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${KEYFRAMER_TOKEN}"
      }
    }
  }
}
claude mcp add --transport http keyframer https://api.keyframer.dev/mcp --header "Authorization: Bearer ${KEYFRAMER_TOKEN}"
[mcp_servers.keyframer]
url = "https://api.keyframer.dev/mcp"
bearer_token_env_var = "KEYFRAMER_TOKEN"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "keyframer": {
      "type": "remote",
      "url": "https://api.keyframer.dev/mcp",
      "enabled": true,
      "headers": {
        "Authorization": "Bearer {env:KEYFRAMER_TOKEN}"
      }
    }
  }
}
{
  "mcpServers": {
    "keyframer": {
      "type": "http",
      "url": "https://api.keyframer.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${KEYFRAMER_TOKEN}"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=keyframer&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vYXBpLmtleWZyYW1lci5kZXYvbWNwIiwiaGVhZGVycyI6eyJBdXRob3JpemF0aW9uIjoiQmVhcmVyICR7S0VZRlJBTUVSX1RPS0VOfSJ9fQ%3D%3D"
}
{
  "servers": {
    "keyframer": {
      "type": "http",
      "url": "https://api.keyframer.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${KEYFRAMER_TOKEN}"
      }
    }
  }
}
{
  "mcpServers": {
    "keyframer": {
      "httpUrl": "https://api.keyframer.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${KEYFRAMER_TOKEN}"
      }
    }
  }
}
extensions:
  "keyframer":
    enabled: true
    name: "keyframer"
    type: streamable_http
    uri: "https://api.keyframer.dev/mcp"
    headers:
      "Authorization": "Bearer ${KEYFRAMER_TOKEN}"
    timeout: 300

Placeholders to fill from your own secret store: ${KEYFRAMER_TOKEN}. The registry never accepts secret values.

Quality 85 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene86 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations11 of 11 tools declare readOnlyHint or destructiveHint
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: list_scenes (destructiveHint, idempotentHint, openWorldHint); get_recipe (destructiveHint, idempotentHint, openWorldHint); search_recipes (destructiveHint, idempotentHint, openWorldHint); …
  • pass
    tools.token_costabout 1,845 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changesno tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

11 tools, about 1,845 tokens to load them all · tool set 14312c33ac21 · checked 2026-10-20 17:34 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 79 / 100

no-repository
provenance55
liveness97
freshness85
hygiene80

+dns-namespace +website +reachable +uptime-94% ~updated-58d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://api.keyframer.dev/mcp streamable-httpnoneyes94%1317 ms2025-11-252026-10-20

Tools (11)

create_sceneSave a scene and get an editor URL where it opens in the visual editor (timeline, canvas, node graphs, mobile QR preview). Validates first. Works without a key: the scene is then a public 24-hour guest scene with a scannable QR, kept forever by signing up (free) and pressing Remix. With a key it saves to the account (free accounts up to the free scene limit, paid unlimited).
generate_coderead-onlyCompile a scene into a runnable React Native component. Pass inline scene JSON or a scene_id from your account. Output targets Reanimated v4 by default ("animated" targets the RN core Animated API, reduced feature set). Deterministic — no AI, no credits. Requires an API key on a paid plan.
get_preview_qrread-onlyA terminal-scannable QR code for a scene. Scan it with a phone camera and the scene runs live in the Keyframer preview app on real hardware — edits sync as they happen. Public scenes (including guest scenes) work without a key; private scenes need an API key on a paid plan.
get_reciperead-onlyFetch one recipe by slug: metadata, the scene JSON (usable as a starting point for create_scene), and the generated React Native Reanimated component code. Recipe code is free to use.
get_sceneread-onlyFetch one of your scenes (or any public scene) as JSON — edit it and re-save with update_scene, or feed it to generate_code. Requires an API key.
get_scene_formatread-onlyThe Keyframer scene JSON format — read this before authoring a scene. Section "scene" covers elements/keyframes/easing; section "nodes" covers node graphs (procedural animation: clocks, springs, repeaters) with the full node-type schema.
list_scenesread-onlyList the scenes in the connected Keyframer account (id, name, updated, visibility). Requires an API key.
sample_sceneread-onlyNumerically preview a scene: evaluates keyframes AND node graphs at N evenly spaced times and returns each moving prop as a value series (the same math the editor preview runs). validate_scene checks structure — this checks MOTION: confirm ranges, spring overshoot, stagger offsets, and that elements actually move before create_scene. Free to call — iterate: author → sample → adjust.
search_recipesread-onlySearch 150+ free Keyframer recipes (bounce, carousels, progress rings, particles, text effects, shaders, scroll animations…). Each recipe has a scene + verified React Native Reanimated code. Returns slugs for get_recipe.
update_scenedestructiveReplace the content of one of your scenes (full scene JSON, validated first) — the edit loop for iterating instead of duplicating. Live previews watching the scene update in place. Requires an API key; own scenes only.
validate_sceneread-onlyValidate a scene against the Keyframer format before create_scene or generate_code. Returns errors (must fix) and warnings (advisory). Free to call — iterate until clean.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "dev.keyframer/keyframer",
  "icons": [
    {
      "src": "https://keyframer.dev/logo512.png",
      "mimeType": "image/png"
    }
  ],
  "title": "Keyframer",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://api.keyframer.dev/mcp",
      "type": "streamable-http",
      "headers": [
        {
          "name": "Authorization",
          "isSecret": true,
          "description": "Optional: 'Bearer kf_...' API key from keyframer.dev/app/profile (MCP tab). Recipe search, scene validation, and 24-hour guest scenes work with no key; a key saves scenes to your account."
        }
      ]
    }
  ],
  "version": "1.0.0",
  "websiteUrl": "https://keyframer.dev/mcp",
  "description": "150+ React Native animation recipes, scene authoring, phone preview via QR, Reanimated v4 codegen"
}